diff --git a/src/assets.rs b/src/assets.rs index 4c67734..7384c61 100644 --- a/src/assets.rs +++ b/src/assets.rs @@ -41,8 +41,12 @@ pub fn file_from_string(file_path: &str) -> Option<(String, &'static [u8])> { "/fonts/roboto-v18-latin-regular.ttf", "/fonts/roboto-v18-latin-regular.woff", "/fonts/roboto-v18-latin-regular.woff2", + "/js/vue.min.js", + "/js/vue.js", + "/js/vue-router.min.js", + "/js/vue-router.js", "/js/helpers.js", - "/js/vue.min.js" + "/js/views.js" )?; Some((string_mime, contents)) diff --git a/src/main.rs b/src/main.rs index ffc518a..53e5c9c 100644 --- a/src/main.rs +++ b/src/main.rs @@ -149,7 +149,7 @@ fn main() { let server = WebServer::with_addr(framework.clone(), address) .log_expect("Failed to bind to address"); - debug!("Server: {:?}", address); + info!("Server: {:?}", address); http_address = Some(address); diff --git a/static/index.html b/static/index.html index 6d26c2b..7bd63c4 100644 --- a/static/index.html +++ b/static/index.html @@ -28,7 +28,9 @@ -
+ + +
@@ -135,6 +136,7 @@
A error occurred during installation. Please retry!
+ -->
@@ -153,9 +155,11 @@ + + - + diff --git a/static/js/helpers.js b/static/js/helpers.js index 0eaf43a..3e1f5fb 100644 --- a/static/js/helpers.js +++ b/static/js/helpers.js @@ -39,9 +39,14 @@ function ajax(path, successCallback, failCallback, data) { var form = ""; for (var key in data) { + if (!data.hasOwnProperty(key)) { + continue; + } + if (form !== "") { form += "&"; } + form += encodeURIComponent(key) + "=" + encodeURIComponent(data[key]); } @@ -74,10 +79,11 @@ function stream_ajax(path, callback, successCallback, failCallback, data) { }); var buffer = ""; + var seenBytes = 0; req.onreadystatechange = function() { if(req.readyState > 2) { - buffer += req.responseText.substr(req.seenBytes); + buffer += req.responseText.substr(seenBytes); var pointer; while ((pointer = buffer.indexOf("\n")) >= 0) { @@ -92,7 +98,7 @@ function stream_ajax(path, callback, successCallback, failCallback, data) { callback(contents); } - req.seenBytes = req.responseText.length; + seenBytes = req.responseText.length; } }; @@ -106,9 +112,14 @@ function stream_ajax(path, callback, successCallback, failCallback, data) { var form = ""; for (var key in data) { + if (!data.hasOwnProperty(key)) { + continue; + } + if (form !== "") { form += "&"; } + form += encodeURIComponent(key) + "=" + encodeURIComponent(data[key]); } diff --git a/static/js/views.js b/static/js/views.js new file mode 100644 index 0000000..fd0f0d1 --- /dev/null +++ b/static/js/views.js @@ -0,0 +1,274 @@ +const DownloadConfig = { + template: ` +
+

Downloading config...

+ +
+ + 0% + +
+ `, + created: function() { + this.download_install_status(); + }, + methods: { + download_install_status: function() { + ajax("/api/installation-status", (e) => { + app.metadata = e; + + this.download_config(); + }); + }, + download_config: function() { + ajax("/api/config", (e) => { + app.config = e; + + this.choose_next_state(); + + }, (e) => { + console.error("Got error while downloading config: " + + e); + + if (app.is_launcher) { + // Just launch the target application + app.exit(); + } else { + router.replace({name: 'showerr', params: {msg: "Got error while downloading config: " + + e}}); + } + }); + }, + choose_next_state: function() { + if (app.metadata.preexisting_install) { + app.install_location = app.metadata.install_path; + + // Copy over installed packages + for (var x = 0; x < app.config.packages.length; x++) { + app.config.packages[x].default = false; + app.config.packages[x].installed = false; + } + + for (var i = 0; i < app.metadata.database.length; i++) { + // Find this config package + for (var x = 0; x < app.config.packages.length; x++) { + if (app.config.packages[x].name === app.metadata.database[i].name) { + app.config.packages[x].default = true; + app.config.packages[x].installed = true; + } + } + } + + if (app.metadata.is_launcher) { + router.replace("/install/regular"); + } else { + router.replace("/modify"); + } + } else { + for (var x = 0; x < app.config.packages.length; x++) { + app.config.packages[x].installed = false; + } + + // Need to do a bit more digging to get at the + // install location. + ajax("/api/default-path", (e) => { + if (e.path != null) { + app.install_location = e.path; + } + }); + + router.replace("/packages"); + } + + /*app.is_downloading_config = false; + if (e.preexisting_install) { + app.modify_install = true; + app.select_packages = false; + app.show_install_location = false; + app.install_location = e.install_path; + + + + if (e.is_launcher) { + + app.is_launcher = true; + app.install(); + } + } else { + }*/ + } + } +}; + +const SelectPackages = { + template: ` +
+

Select your preferred settings:

+ + +
+
+
+
+ +

+ {{ package.description }} +

+
+
+
+
+ +
Install Location
+
+
+ +
+
+ + Select + +
+
+ + Install! +
+ `, + methods: { + select_file: function() { + window.external.invoke(JSON.stringify({ + SelectInstallDir: { + callback_name: "selectFileCallback" + } + })); + }, + install: function() { + router.push("/install/regular"); + } + } +}; + +const InstallPackages = { + template: ` +
+

Checking for updates...

+

Uninstalling...

+

Installing...

+
+
+ +
+ + {{ progress }}% + +
+ `, + data: function() { + return { + progress: 0.0, + progress_message: "Please wait...", + is_uninstall: false, + failed_with_error: false + } + }, + created: function() { + this.is_uninstall = this.$route.params.kind === "uninstall"; + this.install(); + }, + methods: { + install: function() { + var results = {}; + + for (var package_index = 0; package_index < app.config.packages.length; package_index++) { + var current_package = app.config.packages[package_index]; + if (current_package.default != null) { + results[current_package.name] = current_package.default; + } + } + + results["path"] = app.install_location; + + stream_ajax(this.is_uninstall ? "/api/uninstall" : + "/api/start-install", (line) => { + if (line.hasOwnProperty("Status")) { + this.progress_message = line.Status[0]; + this.progress = line.Status[1] * 100; + } + + if (line.hasOwnProperty("Error")) { + if (app.metadata.is_launcher) { + app.exit(); + } else { + this.failed_with_error = true; + router.replace({name: 'showerr', params: {msg: line.Error}}); + } + } + }, (e) => { + if (app.metadata.is_launcher) { + app.exit(); + } else if (!this.failed_with_error) { + router.push("/complete"); + } + }, undefined, results); + } + } +}; + +const ErrorView = { + template: ` +
+

An error occurred:

+ + {{ msg }} + + Back +
+ `, + data: function() { + return { + msg: this.$route.params.msg, + remaining: window.history.length > 1 + } + }, + methods: { + go_back: function() { + router.go(-1); + } + } +}; + +const + +const router = new VueRouter({ + routes: [ + { + path: '/config', + name: 'config', + component: DownloadConfig + }, + { + path: '/packages', + name: 'packages', + component: SelectPackages + }, + { + path: '/install/:kind', + name: 'install', + component: InstallPackages + }, + { + path: '/showerr', + name: 'showerr', + component: ErrorView + }, + { + path: '/', + redirect: '/config' + } + ] +}); diff --git a/static/js/vue-router.js b/static/js/vue-router.js new file mode 100644 index 0000000..3285a76 --- /dev/null +++ b/static/js/vue-router.js @@ -0,0 +1,2631 @@ +/** + * vue-router v3.0.1 + * (c) 2017 Evan You + * @license MIT + */ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : + typeof define === 'function' && define.amd ? define(factory) : + (global.VueRouter = factory()); +}(this, (function () { 'use strict'; + +/* */ + +function assert (condition, message) { + if (!condition) { + throw new Error(("[vue-router] " + message)) + } +} + +function warn (condition, message) { + if ("development" !== 'production' && !condition) { + typeof console !== 'undefined' && console.warn(("[vue-router] " + message)); + } +} + +function isError (err) { + return Object.prototype.toString.call(err).indexOf('Error') > -1 +} + +var View = { + name: 'router-view', + functional: true, + props: { + name: { + type: String, + default: 'default' + } + }, + render: function render (_, ref) { + var props = ref.props; + var children = ref.children; + var parent = ref.parent; + var data = ref.data; + + data.routerView = true; + + // directly use parent context's createElement() function + // so that components rendered by router-view can resolve named slots + var h = parent.$createElement; + var name = props.name; + var route = parent.$route; + var cache = parent._routerViewCache || (parent._routerViewCache = {}); + + // determine current view depth, also check to see if the tree + // has been toggled inactive but kept-alive. + var depth = 0; + var inactive = false; + while (parent && parent._routerRoot !== parent) { + if (parent.$vnode && parent.$vnode.data.routerView) { + depth++; + } + if (parent._inactive) { + inactive = true; + } + parent = parent.$parent; + } + data.routerViewDepth = depth; + + // render previous view if the tree is inactive and kept-alive + if (inactive) { + return h(cache[name], data, children) + } + + var matched = route.matched[depth]; + // render empty node if no matched route + if (!matched) { + cache[name] = null; + return h() + } + + var component = cache[name] = matched.components[name]; + + // attach instance registration hook + // this will be called in the instance's injected lifecycle hooks + data.registerRouteInstance = function (vm, val) { + // val could be undefined for unregistration + var current = matched.instances[name]; + if ( + (val && current !== vm) || + (!val && current === vm) + ) { + matched.instances[name] = val; + } + } + + // also register instance in prepatch hook + // in case the same component instance is reused across different routes + ;(data.hook || (data.hook = {})).prepatch = function (_, vnode) { + matched.instances[name] = vnode.componentInstance; + }; + + // resolve props + var propsToPass = data.props = resolveProps(route, matched.props && matched.props[name]); + if (propsToPass) { + // clone to prevent mutation + propsToPass = data.props = extend({}, propsToPass); + // pass non-declared props as attrs + var attrs = data.attrs = data.attrs || {}; + for (var key in propsToPass) { + if (!component.props || !(key in component.props)) { + attrs[key] = propsToPass[key]; + delete propsToPass[key]; + } + } + } + + return h(component, data, children) + } +}; + +function resolveProps (route, config) { + switch (typeof config) { + case 'undefined': + return + case 'object': + return config + case 'function': + return config(route) + case 'boolean': + return config ? route.params : undefined + default: + { + warn( + false, + "props in \"" + (route.path) + "\" is a " + (typeof config) + ", " + + "expecting an object, function or boolean." + ); + } + } +} + +function extend (to, from) { + for (var key in from) { + to[key] = from[key]; + } + return to +} + +/* */ + +var encodeReserveRE = /[!'()*]/g; +var encodeReserveReplacer = function (c) { return '%' + c.charCodeAt(0).toString(16); }; +var commaRE = /%2C/g; + +// fixed encodeURIComponent which is more conformant to RFC3986: +// - escapes [!'()*] +// - preserve commas +var encode = function (str) { return encodeURIComponent(str) + .replace(encodeReserveRE, encodeReserveReplacer) + .replace(commaRE, ','); }; + +var decode = decodeURIComponent; + +function resolveQuery ( + query, + extraQuery, + _parseQuery +) { + if ( extraQuery === void 0 ) extraQuery = {}; + + var parse = _parseQuery || parseQuery; + var parsedQuery; + try { + parsedQuery = parse(query || ''); + } catch (e) { + "development" !== 'production' && warn(false, e.message); + parsedQuery = {}; + } + for (var key in extraQuery) { + parsedQuery[key] = extraQuery[key]; + } + return parsedQuery +} + +function parseQuery (query) { + var res = {}; + + query = query.trim().replace(/^(\?|#|&)/, ''); + + if (!query) { + return res + } + + query.split('&').forEach(function (param) { + var parts = param.replace(/\+/g, ' ').split('='); + var key = decode(parts.shift()); + var val = parts.length > 0 + ? decode(parts.join('=')) + : null; + + if (res[key] === undefined) { + res[key] = val; + } else if (Array.isArray(res[key])) { + res[key].push(val); + } else { + res[key] = [res[key], val]; + } + }); + + return res +} + +function stringifyQuery (obj) { + var res = obj ? Object.keys(obj).map(function (key) { + var val = obj[key]; + + if (val === undefined) { + return '' + } + + if (val === null) { + return encode(key) + } + + if (Array.isArray(val)) { + var result = []; + val.forEach(function (val2) { + if (val2 === undefined) { + return + } + if (val2 === null) { + result.push(encode(key)); + } else { + result.push(encode(key) + '=' + encode(val2)); + } + }); + return result.join('&') + } + + return encode(key) + '=' + encode(val) + }).filter(function (x) { return x.length > 0; }).join('&') : null; + return res ? ("?" + res) : '' +} + +/* */ + + +var trailingSlashRE = /\/?$/; + +function createRoute ( + record, + location, + redirectedFrom, + router +) { + var stringifyQuery$$1 = router && router.options.stringifyQuery; + + var query = location.query || {}; + try { + query = clone(query); + } catch (e) {} + + var route = { + name: location.name || (record && record.name), + meta: (record && record.meta) || {}, + path: location.path || '/', + hash: location.hash || '', + query: query, + params: location.params || {}, + fullPath: getFullPath(location, stringifyQuery$$1), + matched: record ? formatMatch(record) : [] + }; + if (redirectedFrom) { + route.redirectedFrom = getFullPath(redirectedFrom, stringifyQuery$$1); + } + return Object.freeze(route) +} + +function clone (value) { + if (Array.isArray(value)) { + return value.map(clone) + } else if (value && typeof value === 'object') { + var res = {}; + for (var key in value) { + res[key] = clone(value[key]); + } + return res + } else { + return value + } +} + +// the starting route that represents the initial state +var START = createRoute(null, { + path: '/' +}); + +function formatMatch (record) { + var res = []; + while (record) { + res.unshift(record); + record = record.parent; + } + return res +} + +function getFullPath ( + ref, + _stringifyQuery +) { + var path = ref.path; + var query = ref.query; if ( query === void 0 ) query = {}; + var hash = ref.hash; if ( hash === void 0 ) hash = ''; + + var stringify = _stringifyQuery || stringifyQuery; + return (path || '/') + stringify(query) + hash +} + +function isSameRoute (a, b) { + if (b === START) { + return a === b + } else if (!b) { + return false + } else if (a.path && b.path) { + return ( + a.path.replace(trailingSlashRE, '') === b.path.replace(trailingSlashRE, '') && + a.hash === b.hash && + isObjectEqual(a.query, b.query) + ) + } else if (a.name && b.name) { + return ( + a.name === b.name && + a.hash === b.hash && + isObjectEqual(a.query, b.query) && + isObjectEqual(a.params, b.params) + ) + } else { + return false + } +} + +function isObjectEqual (a, b) { + if ( a === void 0 ) a = {}; + if ( b === void 0 ) b = {}; + + // handle null value #1566 + if (!a || !b) { return a === b } + var aKeys = Object.keys(a); + var bKeys = Object.keys(b); + if (aKeys.length !== bKeys.length) { + return false + } + return aKeys.every(function (key) { + var aVal = a[key]; + var bVal = b[key]; + // check nested equality + if (typeof aVal === 'object' && typeof bVal === 'object') { + return isObjectEqual(aVal, bVal) + } + return String(aVal) === String(bVal) + }) +} + +function isIncludedRoute (current, target) { + return ( + current.path.replace(trailingSlashRE, '/').indexOf( + target.path.replace(trailingSlashRE, '/') + ) === 0 && + (!target.hash || current.hash === target.hash) && + queryIncludes(current.query, target.query) + ) +} + +function queryIncludes (current, target) { + for (var key in target) { + if (!(key in current)) { + return false + } + } + return true +} + +/* */ + +// work around weird flow bug +var toTypes = [String, Object]; +var eventTypes = [String, Array]; + +var Link = { + name: 'router-link', + props: { + to: { + type: toTypes, + required: true + }, + tag: { + type: String, + default: 'a' + }, + exact: Boolean, + append: Boolean, + replace: Boolean, + activeClass: String, + exactActiveClass: String, + event: { + type: eventTypes, + default: 'click' + } + }, + render: function render (h) { + var this$1 = this; + + var router = this.$router; + var current = this.$route; + var ref = router.resolve(this.to, current, this.append); + var location = ref.location; + var route = ref.route; + var href = ref.href; + + var classes = {}; + var globalActiveClass = router.options.linkActiveClass; + var globalExactActiveClass = router.options.linkExactActiveClass; + // Support global empty active class + var activeClassFallback = globalActiveClass == null + ? 'router-link-active' + : globalActiveClass; + var exactActiveClassFallback = globalExactActiveClass == null + ? 'router-link-exact-active' + : globalExactActiveClass; + var activeClass = this.activeClass == null + ? activeClassFallback + : this.activeClass; + var exactActiveClass = this.exactActiveClass == null + ? exactActiveClassFallback + : this.exactActiveClass; + var compareTarget = location.path + ? createRoute(null, location, null, router) + : route; + + classes[exactActiveClass] = isSameRoute(current, compareTarget); + classes[activeClass] = this.exact + ? classes[exactActiveClass] + : isIncludedRoute(current, compareTarget); + + var handler = function (e) { + if (guardEvent(e)) { + if (this$1.replace) { + router.replace(location); + } else { + router.push(location); + } + } + }; + + var on = { click: guardEvent }; + if (Array.isArray(this.event)) { + this.event.forEach(function (e) { on[e] = handler; }); + } else { + on[this.event] = handler; + } + + var data = { + class: classes + }; + + if (this.tag === 'a') { + data.on = on; + data.attrs = { href: href }; + } else { + // find the first child and apply listener and href + var a = findAnchor(this.$slots.default); + if (a) { + // in case the is a static node + a.isStatic = false; + var extend = _Vue.util.extend; + var aData = a.data = extend({}, a.data); + aData.on = on; + var aAttrs = a.data.attrs = extend({}, a.data.attrs); + aAttrs.href = href; + } else { + // doesn't have child, apply listener to self + data.on = on; + } + } + + return h(this.tag, data, this.$slots.default) + } +}; + +function guardEvent (e) { + // don't redirect with control keys + if (e.metaKey || e.altKey || e.ctrlKey || e.shiftKey) { return } + // don't redirect when preventDefault called + if (e.defaultPrevented) { return } + // don't redirect on right click + if (e.button !== undefined && e.button !== 0) { return } + // don't redirect if `target="_blank"` + if (e.currentTarget && e.currentTarget.getAttribute) { + var target = e.currentTarget.getAttribute('target'); + if (/\b_blank\b/i.test(target)) { return } + } + // this may be a Weex event which doesn't have this method + if (e.preventDefault) { + e.preventDefault(); + } + return true +} + +function findAnchor (children) { + if (children) { + var child; + for (var i = 0; i < children.length; i++) { + child = children[i]; + if (child.tag === 'a') { + return child + } + if (child.children && (child = findAnchor(child.children))) { + return child + } + } + } +} + +var _Vue; + +function install (Vue) { + if (install.installed && _Vue === Vue) { return } + install.installed = true; + + _Vue = Vue; + + var isDef = function (v) { return v !== undefined; }; + + var registerInstance = function (vm, callVal) { + var i = vm.$options._parentVnode; + if (isDef(i) && isDef(i = i.data) && isDef(i = i.registerRouteInstance)) { + i(vm, callVal); + } + }; + + Vue.mixin({ + beforeCreate: function beforeCreate () { + if (isDef(this.$options.router)) { + this._routerRoot = this; + this._router = this.$options.router; + this._router.init(this); + Vue.util.defineReactive(this, '_route', this._router.history.current); + } else { + this._routerRoot = (this.$parent && this.$parent._routerRoot) || this; + } + registerInstance(this, this); + }, + destroyed: function destroyed () { + registerInstance(this); + } + }); + + Object.defineProperty(Vue.prototype, '$router', { + get: function get () { return this._routerRoot._router } + }); + + Object.defineProperty(Vue.prototype, '$route', { + get: function get () { return this._routerRoot._route } + }); + + Vue.component('router-view', View); + Vue.component('router-link', Link); + + var strats = Vue.config.optionMergeStrategies; + // use the same hook merging strategy for route hooks + strats.beforeRouteEnter = strats.beforeRouteLeave = strats.beforeRouteUpdate = strats.created; +} + +/* */ + +var inBrowser = typeof window !== 'undefined'; + +/* */ + +function resolvePath ( + relative, + base, + append +) { + var firstChar = relative.charAt(0); + if (firstChar === '/') { + return relative + } + + if (firstChar === '?' || firstChar === '#') { + return base + relative + } + + var stack = base.split('/'); + + // remove trailing segment if: + // - not appending + // - appending to trailing slash (last segment is empty) + if (!append || !stack[stack.length - 1]) { + stack.pop(); + } + + // resolve relative path + var segments = relative.replace(/^\//, '').split('/'); + for (var i = 0; i < segments.length; i++) { + var segment = segments[i]; + if (segment === '..') { + stack.pop(); + } else if (segment !== '.') { + stack.push(segment); + } + } + + // ensure leading slash + if (stack[0] !== '') { + stack.unshift(''); + } + + return stack.join('/') +} + +function parsePath (path) { + var hash = ''; + var query = ''; + + var hashIndex = path.indexOf('#'); + if (hashIndex >= 0) { + hash = path.slice(hashIndex); + path = path.slice(0, hashIndex); + } + + var queryIndex = path.indexOf('?'); + if (queryIndex >= 0) { + query = path.slice(queryIndex + 1); + path = path.slice(0, queryIndex); + } + + return { + path: path, + query: query, + hash: hash + } +} + +function cleanPath (path) { + return path.replace(/\/\//g, '/') +} + +var isarray = Array.isArray || function (arr) { + return Object.prototype.toString.call(arr) == '[object Array]'; +}; + +/** + * Expose `pathToRegexp`. + */ +var pathToRegexp_1 = pathToRegexp; +var parse_1 = parse; +var compile_1 = compile; +var tokensToFunction_1 = tokensToFunction; +var tokensToRegExp_1 = tokensToRegExp; + +/** + * The main path matching regexp utility. + * + * @type {RegExp} + */ +var PATH_REGEXP = new RegExp([ + // Match escaped characters that would otherwise appear in future matches. + // This allows the user to escape special characters that won't transform. + '(\\\\.)', + // Match Express-style parameters and un-named parameters with a prefix + // and optional suffixes. Matches appear as: + // + // "/:test(\\d+)?" => ["/", "test", "\d+", undefined, "?", undefined] + // "/route(\\d+)" => [undefined, undefined, undefined, "\d+", undefined, undefined] + // "/*" => ["/", undefined, undefined, undefined, undefined, "*"] + '([\\/.])?(?:(?:\\:(\\w+)(?:\\(((?:\\\\.|[^\\\\()])+)\\))?|\\(((?:\\\\.|[^\\\\()])+)\\))([+*?])?|(\\*))' +].join('|'), 'g'); + +/** + * Parse a string for the raw tokens. + * + * @param {string} str + * @param {Object=} options + * @return {!Array} + */ +function parse (str, options) { + var tokens = []; + var key = 0; + var index = 0; + var path = ''; + var defaultDelimiter = options && options.delimiter || '/'; + var res; + + while ((res = PATH_REGEXP.exec(str)) != null) { + var m = res[0]; + var escaped = res[1]; + var offset = res.index; + path += str.slice(index, offset); + index = offset + m.length; + + // Ignore already escaped sequences. + if (escaped) { + path += escaped[1]; + continue + } + + var next = str[index]; + var prefix = res[2]; + var name = res[3]; + var capture = res[4]; + var group = res[5]; + var modifier = res[6]; + var asterisk = res[7]; + + // Push the current path onto the tokens. + if (path) { + tokens.push(path); + path = ''; + } + + var partial = prefix != null && next != null && next !== prefix; + var repeat = modifier === '+' || modifier === '*'; + var optional = modifier === '?' || modifier === '*'; + var delimiter = res[2] || defaultDelimiter; + var pattern = capture || group; + + tokens.push({ + name: name || key++, + prefix: prefix || '', + delimiter: delimiter, + optional: optional, + repeat: repeat, + partial: partial, + asterisk: !!asterisk, + pattern: pattern ? escapeGroup(pattern) : (asterisk ? '.*' : '[^' + escapeString(delimiter) + ']+?') + }); + } + + // Match any characters still remaining. + if (index < str.length) { + path += str.substr(index); + } + + // If the path exists, push it onto the end. + if (path) { + tokens.push(path); + } + + return tokens +} + +/** + * Compile a string to a template function for the path. + * + * @param {string} str + * @param {Object=} options + * @return {!function(Object=, Object=)} + */ +function compile (str, options) { + return tokensToFunction(parse(str, options)) +} + +/** + * Prettier encoding of URI path segments. + * + * @param {string} + * @return {string} + */ +function encodeURIComponentPretty (str) { + return encodeURI(str).replace(/[\/?#]/g, function (c) { + return '%' + c.charCodeAt(0).toString(16).toUpperCase() + }) +} + +/** + * Encode the asterisk parameter. Similar to `pretty`, but allows slashes. + * + * @param {string} + * @return {string} + */ +function encodeAsterisk (str) { + return encodeURI(str).replace(/[?#]/g, function (c) { + return '%' + c.charCodeAt(0).toString(16).toUpperCase() + }) +} + +/** + * Expose a method for transforming tokens into the path function. + */ +function tokensToFunction (tokens) { + // Compile all the tokens into regexps. + var matches = new Array(tokens.length); + + // Compile all the patterns before compilation. + for (var i = 0; i < tokens.length; i++) { + if (typeof tokens[i] === 'object') { + matches[i] = new RegExp('^(?:' + tokens[i].pattern + ')$'); + } + } + + return function (obj, opts) { + var path = ''; + var data = obj || {}; + var options = opts || {}; + var encode = options.pretty ? encodeURIComponentPretty : encodeURIComponent; + + for (var i = 0; i < tokens.length; i++) { + var token = tokens[i]; + + if (typeof token === 'string') { + path += token; + + continue + } + + var value = data[token.name]; + var segment; + + if (value == null) { + if (token.optional) { + // Prepend partial segment prefixes. + if (token.partial) { + path += token.prefix; + } + + continue + } else { + throw new TypeError('Expected "' + token.name + '" to be defined') + } + } + + if (isarray(value)) { + if (!token.repeat) { + throw new TypeError('Expected "' + token.name + '" to not repeat, but received `' + JSON.stringify(value) + '`') + } + + if (value.length === 0) { + if (token.optional) { + continue + } else { + throw new TypeError('Expected "' + token.name + '" to not be empty') + } + } + + for (var j = 0; j < value.length; j++) { + segment = encode(value[j]); + + if (!matches[i].test(segment)) { + throw new TypeError('Expected all "' + token.name + '" to match "' + token.pattern + '", but received `' + JSON.stringify(segment) + '`') + } + + path += (j === 0 ? token.prefix : token.delimiter) + segment; + } + + continue + } + + segment = token.asterisk ? encodeAsterisk(value) : encode(value); + + if (!matches[i].test(segment)) { + throw new TypeError('Expected "' + token.name + '" to match "' + token.pattern + '", but received "' + segment + '"') + } + + path += token.prefix + segment; + } + + return path + } +} + +/** + * Escape a regular expression string. + * + * @param {string} str + * @return {string} + */ +function escapeString (str) { + return str.replace(/([.+*?=^!:${}()[\]|\/\\])/g, '\\$1') +} + +/** + * Escape the capturing group by escaping special characters and meaning. + * + * @param {string} group + * @return {string} + */ +function escapeGroup (group) { + return group.replace(/([=!:$\/()])/g, '\\$1') +} + +/** + * Attach the keys as a property of the regexp. + * + * @param {!RegExp} re + * @param {Array} keys + * @return {!RegExp} + */ +function attachKeys (re, keys) { + re.keys = keys; + return re +} + +/** + * Get the flags for a regexp from the options. + * + * @param {Object} options + * @return {string} + */ +function flags (options) { + return options.sensitive ? '' : 'i' +} + +/** + * Pull out keys from a regexp. + * + * @param {!RegExp} path + * @param {!Array} keys + * @return {!RegExp} + */ +function regexpToRegexp (path, keys) { + // Use a negative lookahead to match only capturing groups. + var groups = path.source.match(/\((?!\?)/g); + + if (groups) { + for (var i = 0; i < groups.length; i++) { + keys.push({ + name: i, + prefix: null, + delimiter: null, + optional: false, + repeat: false, + partial: false, + asterisk: false, + pattern: null + }); + } + } + + return attachKeys(path, keys) +} + +/** + * Transform an array into a regexp. + * + * @param {!Array} path + * @param {Array} keys + * @param {!Object} options + * @return {!RegExp} + */ +function arrayToRegexp (path, keys, options) { + var parts = []; + + for (var i = 0; i < path.length; i++) { + parts.push(pathToRegexp(path[i], keys, options).source); + } + + var regexp = new RegExp('(?:' + parts.join('|') + ')', flags(options)); + + return attachKeys(regexp, keys) +} + +/** + * Create a path regexp from string input. + * + * @param {string} path + * @param {!Array} keys + * @param {!Object} options + * @return {!RegExp} + */ +function stringToRegexp (path, keys, options) { + return tokensToRegExp(parse(path, options), keys, options) +} + +/** + * Expose a function for taking tokens and returning a RegExp. + * + * @param {!Array} tokens + * @param {(Array|Object)=} keys + * @param {Object=} options + * @return {!RegExp} + */ +function tokensToRegExp (tokens, keys, options) { + if (!isarray(keys)) { + options = /** @type {!Object} */ (keys || options); + keys = []; + } + + options = options || {}; + + var strict = options.strict; + var end = options.end !== false; + var route = ''; + + // Iterate over the tokens and create our regexp string. + for (var i = 0; i < tokens.length; i++) { + var token = tokens[i]; + + if (typeof token === 'string') { + route += escapeString(token); + } else { + var prefix = escapeString(token.prefix); + var capture = '(?:' + token.pattern + ')'; + + keys.push(token); + + if (token.repeat) { + capture += '(?:' + prefix + capture + ')*'; + } + + if (token.optional) { + if (!token.partial) { + capture = '(?:' + prefix + '(' + capture + '))?'; + } else { + capture = prefix + '(' + capture + ')?'; + } + } else { + capture = prefix + '(' + capture + ')'; + } + + route += capture; + } + } + + var delimiter = escapeString(options.delimiter || '/'); + var endsWithDelimiter = route.slice(-delimiter.length) === delimiter; + + // In non-strict mode we allow a slash at the end of match. If the path to + // match already ends with a slash, we remove it for consistency. The slash + // is valid at the end of a path match, not in the middle. This is important + // in non-ending mode, where "/test/" shouldn't match "/test//route". + if (!strict) { + route = (endsWithDelimiter ? route.slice(0, -delimiter.length) : route) + '(?:' + delimiter + '(?=$))?'; + } + + if (end) { + route += '$'; + } else { + // In non-ending mode, we need the capturing groups to match as much as + // possible by using a positive lookahead to the end or next path segment. + route += strict && endsWithDelimiter ? '' : '(?=' + delimiter + '|$)'; + } + + return attachKeys(new RegExp('^' + route, flags(options)), keys) +} + +/** + * Normalize the given path string, returning a regular expression. + * + * An empty array can be passed in for the keys, which will hold the + * placeholder key descriptions. For example, using `/user/:id`, `keys` will + * contain `[{ name: 'id', delimiter: '/', optional: false, repeat: false }]`. + * + * @param {(string|RegExp|Array)} path + * @param {(Array|Object)=} keys + * @param {Object=} options + * @return {!RegExp} + */ +function pathToRegexp (path, keys, options) { + if (!isarray(keys)) { + options = /** @type {!Object} */ (keys || options); + keys = []; + } + + options = options || {}; + + if (path instanceof RegExp) { + return regexpToRegexp(path, /** @type {!Array} */ (keys)) + } + + if (isarray(path)) { + return arrayToRegexp(/** @type {!Array} */ (path), /** @type {!Array} */ (keys), options) + } + + return stringToRegexp(/** @type {string} */ (path), /** @type {!Array} */ (keys), options) +} + +pathToRegexp_1.parse = parse_1; +pathToRegexp_1.compile = compile_1; +pathToRegexp_1.tokensToFunction = tokensToFunction_1; +pathToRegexp_1.tokensToRegExp = tokensToRegExp_1; + +/* */ + +// $flow-disable-line +var regexpCompileCache = Object.create(null); + +function fillParams ( + path, + params, + routeMsg +) { + try { + var filler = + regexpCompileCache[path] || + (regexpCompileCache[path] = pathToRegexp_1.compile(path)); + return filler(params || {}, { pretty: true }) + } catch (e) { + { + warn(false, ("missing param for " + routeMsg + ": " + (e.message))); + } + return '' + } +} + +/* */ + +function createRouteMap ( + routes, + oldPathList, + oldPathMap, + oldNameMap +) { + // the path list is used to control path matching priority + var pathList = oldPathList || []; + // $flow-disable-line + var pathMap = oldPathMap || Object.create(null); + // $flow-disable-line + var nameMap = oldNameMap || Object.create(null); + + routes.forEach(function (route) { + addRouteRecord(pathList, pathMap, nameMap, route); + }); + + // ensure wildcard routes are always at the end + for (var i = 0, l = pathList.length; i < l; i++) { + if (pathList[i] === '*') { + pathList.push(pathList.splice(i, 1)[0]); + l--; + i--; + } + } + + return { + pathList: pathList, + pathMap: pathMap, + nameMap: nameMap + } +} + +function addRouteRecord ( + pathList, + pathMap, + nameMap, + route, + parent, + matchAs +) { + var path = route.path; + var name = route.name; + { + assert(path != null, "\"path\" is required in a route configuration."); + assert( + typeof route.component !== 'string', + "route config \"component\" for path: " + (String(path || name)) + " cannot be a " + + "string id. Use an actual component instead." + ); + } + + var pathToRegexpOptions = route.pathToRegexpOptions || {}; + var normalizedPath = normalizePath( + path, + parent, + pathToRegexpOptions.strict + ); + + if (typeof route.caseSensitive === 'boolean') { + pathToRegexpOptions.sensitive = route.caseSensitive; + } + + var record = { + path: normalizedPath, + regex: compileRouteRegex(normalizedPath, pathToRegexpOptions), + components: route.components || { default: route.component }, + instances: {}, + name: name, + parent: parent, + matchAs: matchAs, + redirect: route.redirect, + beforeEnter: route.beforeEnter, + meta: route.meta || {}, + props: route.props == null + ? {} + : route.components + ? route.props + : { default: route.props } + }; + + if (route.children) { + // Warn if route is named, does not redirect and has a default child route. + // If users navigate to this route by name, the default child will + // not be rendered (GH Issue #629) + { + if (route.name && !route.redirect && route.children.some(function (child) { return /^\/?$/.test(child.path); })) { + warn( + false, + "Named Route '" + (route.name) + "' has a default child route. " + + "When navigating to this named route (:to=\"{name: '" + (route.name) + "'\"), " + + "the default child route will not be rendered. Remove the name from " + + "this route and use the name of the default child route for named " + + "links instead." + ); + } + } + route.children.forEach(function (child) { + var childMatchAs = matchAs + ? cleanPath((matchAs + "/" + (child.path))) + : undefined; + addRouteRecord(pathList, pathMap, nameMap, child, record, childMatchAs); + }); + } + + if (route.alias !== undefined) { + var aliases = Array.isArray(route.alias) + ? route.alias + : [route.alias]; + + aliases.forEach(function (alias) { + var aliasRoute = { + path: alias, + children: route.children + }; + addRouteRecord( + pathList, + pathMap, + nameMap, + aliasRoute, + parent, + record.path || '/' // matchAs + ); + }); + } + + if (!pathMap[record.path]) { + pathList.push(record.path); + pathMap[record.path] = record; + } + + if (name) { + if (!nameMap[name]) { + nameMap[name] = record; + } else if ("development" !== 'production' && !matchAs) { + warn( + false, + "Duplicate named routes definition: " + + "{ name: \"" + name + "\", path: \"" + (record.path) + "\" }" + ); + } + } +} + +function compileRouteRegex (path, pathToRegexpOptions) { + var regex = pathToRegexp_1(path, [], pathToRegexpOptions); + { + var keys = Object.create(null); + regex.keys.forEach(function (key) { + warn(!keys[key.name], ("Duplicate param keys in route with path: \"" + path + "\"")); + keys[key.name] = true; + }); + } + return regex +} + +function normalizePath (path, parent, strict) { + if (!strict) { path = path.replace(/\/$/, ''); } + if (path[0] === '/') { return path } + if (parent == null) { return path } + return cleanPath(((parent.path) + "/" + path)) +} + +/* */ + + +function normalizeLocation ( + raw, + current, + append, + router +) { + var next = typeof raw === 'string' ? { path: raw } : raw; + // named target + if (next.name || next._normalized) { + return next + } + + // relative params + if (!next.path && next.params && current) { + next = assign({}, next); + next._normalized = true; + var params = assign(assign({}, current.params), next.params); + if (current.name) { + next.name = current.name; + next.params = params; + } else if (current.matched.length) { + var rawPath = current.matched[current.matched.length - 1].path; + next.path = fillParams(rawPath, params, ("path " + (current.path))); + } else { + warn(false, "relative params navigation requires a current route."); + } + return next + } + + var parsedPath = parsePath(next.path || ''); + var basePath = (current && current.path) || '/'; + var path = parsedPath.path + ? resolvePath(parsedPath.path, basePath, append || next.append) + : basePath; + + var query = resolveQuery( + parsedPath.query, + next.query, + router && router.options.parseQuery + ); + + var hash = next.hash || parsedPath.hash; + if (hash && hash.charAt(0) !== '#') { + hash = "#" + hash; + } + + return { + _normalized: true, + path: path, + query: query, + hash: hash + } +} + +function assign (a, b) { + for (var key in b) { + a[key] = b[key]; + } + return a +} + +/* */ + + +function createMatcher ( + routes, + router +) { + var ref = createRouteMap(routes); + var pathList = ref.pathList; + var pathMap = ref.pathMap; + var nameMap = ref.nameMap; + + function addRoutes (routes) { + createRouteMap(routes, pathList, pathMap, nameMap); + } + + function match ( + raw, + currentRoute, + redirectedFrom + ) { + var location = normalizeLocation(raw, currentRoute, false, router); + var name = location.name; + + if (name) { + var record = nameMap[name]; + { + warn(record, ("Route with name '" + name + "' does not exist")); + } + if (!record) { return _createRoute(null, location) } + var paramNames = record.regex.keys + .filter(function (key) { return !key.optional; }) + .map(function (key) { return key.name; }); + + if (typeof location.params !== 'object') { + location.params = {}; + } + + if (currentRoute && typeof currentRoute.params === 'object') { + for (var key in currentRoute.params) { + if (!(key in location.params) && paramNames.indexOf(key) > -1) { + location.params[key] = currentRoute.params[key]; + } + } + } + + if (record) { + location.path = fillParams(record.path, location.params, ("named route \"" + name + "\"")); + return _createRoute(record, location, redirectedFrom) + } + } else if (location.path) { + location.params = {}; + for (var i = 0; i < pathList.length; i++) { + var path = pathList[i]; + var record$1 = pathMap[path]; + if (matchRoute(record$1.regex, location.path, location.params)) { + return _createRoute(record$1, location, redirectedFrom) + } + } + } + // no match + return _createRoute(null, location) + } + + function redirect ( + record, + location + ) { + var originalRedirect = record.redirect; + var redirect = typeof originalRedirect === 'function' + ? originalRedirect(createRoute(record, location, null, router)) + : originalRedirect; + + if (typeof redirect === 'string') { + redirect = { path: redirect }; + } + + if (!redirect || typeof redirect !== 'object') { + { + warn( + false, ("invalid redirect option: " + (JSON.stringify(redirect))) + ); + } + return _createRoute(null, location) + } + + var re = redirect; + var name = re.name; + var path = re.path; + var query = location.query; + var hash = location.hash; + var params = location.params; + query = re.hasOwnProperty('query') ? re.query : query; + hash = re.hasOwnProperty('hash') ? re.hash : hash; + params = re.hasOwnProperty('params') ? re.params : params; + + if (name) { + // resolved named direct + var targetRecord = nameMap[name]; + { + assert(targetRecord, ("redirect failed: named route \"" + name + "\" not found.")); + } + return match({ + _normalized: true, + name: name, + query: query, + hash: hash, + params: params + }, undefined, location) + } else if (path) { + // 1. resolve relative redirect + var rawPath = resolveRecordPath(path, record); + // 2. resolve params + var resolvedPath = fillParams(rawPath, params, ("redirect route with path \"" + rawPath + "\"")); + // 3. rematch with existing query and hash + return match({ + _normalized: true, + path: resolvedPath, + query: query, + hash: hash + }, undefined, location) + } else { + { + warn(false, ("invalid redirect option: " + (JSON.stringify(redirect)))); + } + return _createRoute(null, location) + } + } + + function alias ( + record, + location, + matchAs + ) { + var aliasedPath = fillParams(matchAs, location.params, ("aliased route with path \"" + matchAs + "\"")); + var aliasedMatch = match({ + _normalized: true, + path: aliasedPath + }); + if (aliasedMatch) { + var matched = aliasedMatch.matched; + var aliasedRecord = matched[matched.length - 1]; + location.params = aliasedMatch.params; + return _createRoute(aliasedRecord, location) + } + return _createRoute(null, location) + } + + function _createRoute ( + record, + location, + redirectedFrom + ) { + if (record && record.redirect) { + return redirect(record, redirectedFrom || location) + } + if (record && record.matchAs) { + return alias(record, location, record.matchAs) + } + return createRoute(record, location, redirectedFrom, router) + } + + return { + match: match, + addRoutes: addRoutes + } +} + +function matchRoute ( + regex, + path, + params +) { + var m = path.match(regex); + + if (!m) { + return false + } else if (!params) { + return true + } + + for (var i = 1, len = m.length; i < len; ++i) { + var key = regex.keys[i - 1]; + var val = typeof m[i] === 'string' ? decodeURIComponent(m[i]) : m[i]; + if (key) { + params[key.name] = val; + } + } + + return true +} + +function resolveRecordPath (path, record) { + return resolvePath(path, record.parent ? record.parent.path : '/', true) +} + +/* */ + + +var positionStore = Object.create(null); + +function setupScroll () { + // Fix for #1585 for Firefox + window.history.replaceState({ key: getStateKey() }, ''); + window.addEventListener('popstate', function (e) { + saveScrollPosition(); + if (e.state && e.state.key) { + setStateKey(e.state.key); + } + }); +} + +function handleScroll ( + router, + to, + from, + isPop +) { + if (!router.app) { + return + } + + var behavior = router.options.scrollBehavior; + if (!behavior) { + return + } + + { + assert(typeof behavior === 'function', "scrollBehavior must be a function"); + } + + // wait until re-render finishes before scrolling + router.app.$nextTick(function () { + var position = getScrollPosition(); + var shouldScroll = behavior(to, from, isPop ? position : null); + + if (!shouldScroll) { + return + } + + if (typeof shouldScroll.then === 'function') { + shouldScroll.then(function (shouldScroll) { + scrollToPosition((shouldScroll), position); + }).catch(function (err) { + { + assert(false, err.toString()); + } + }); + } else { + scrollToPosition(shouldScroll, position); + } + }); +} + +function saveScrollPosition () { + var key = getStateKey(); + if (key) { + positionStore[key] = { + x: window.pageXOffset, + y: window.pageYOffset + }; + } +} + +function getScrollPosition () { + var key = getStateKey(); + if (key) { + return positionStore[key] + } +} + +function getElementPosition (el, offset) { + var docEl = document.documentElement; + var docRect = docEl.getBoundingClientRect(); + var elRect = el.getBoundingClientRect(); + return { + x: elRect.left - docRect.left - offset.x, + y: elRect.top - docRect.top - offset.y + } +} + +function isValidPosition (obj) { + return isNumber(obj.x) || isNumber(obj.y) +} + +function normalizePosition (obj) { + return { + x: isNumber(obj.x) ? obj.x : window.pageXOffset, + y: isNumber(obj.y) ? obj.y : window.pageYOffset + } +} + +function normalizeOffset (obj) { + return { + x: isNumber(obj.x) ? obj.x : 0, + y: isNumber(obj.y) ? obj.y : 0 + } +} + +function isNumber (v) { + return typeof v === 'number' +} + +function scrollToPosition (shouldScroll, position) { + var isObject = typeof shouldScroll === 'object'; + if (isObject && typeof shouldScroll.selector === 'string') { + var el = document.querySelector(shouldScroll.selector); + if (el) { + var offset = shouldScroll.offset && typeof shouldScroll.offset === 'object' ? shouldScroll.offset : {}; + offset = normalizeOffset(offset); + position = getElementPosition(el, offset); + } else if (isValidPosition(shouldScroll)) { + position = normalizePosition(shouldScroll); + } + } else if (isObject && isValidPosition(shouldScroll)) { + position = normalizePosition(shouldScroll); + } + + if (position) { + window.scrollTo(position.x, position.y); + } +} + +/* */ + +var supportsPushState = inBrowser && (function () { + var ua = window.navigator.userAgent; + + if ( + (ua.indexOf('Android 2.') !== -1 || ua.indexOf('Android 4.0') !== -1) && + ua.indexOf('Mobile Safari') !== -1 && + ua.indexOf('Chrome') === -1 && + ua.indexOf('Windows Phone') === -1 + ) { + return false + } + + return window.history && 'pushState' in window.history +})(); + +// use User Timing api (if present) for more accurate key precision +var Time = inBrowser && window.performance && window.performance.now + ? window.performance + : Date; + +var _key = genKey(); + +function genKey () { + return Time.now().toFixed(3) +} + +function getStateKey () { + return _key +} + +function setStateKey (key) { + _key = key; +} + +function pushState (url, replace) { + saveScrollPosition(); + // try...catch the pushState call to get around Safari + // DOM Exception 18 where it limits to 100 pushState calls + var history = window.history; + try { + if (replace) { + history.replaceState({ key: _key }, '', url); + } else { + _key = genKey(); + history.pushState({ key: _key }, '', url); + } + } catch (e) { + window.location[replace ? 'replace' : 'assign'](url); + } +} + +function replaceState (url) { + pushState(url, true); +} + +/* */ + +function runQueue (queue, fn, cb) { + var step = function (index) { + if (index >= queue.length) { + cb(); + } else { + if (queue[index]) { + fn(queue[index], function () { + step(index + 1); + }); + } else { + step(index + 1); + } + } + }; + step(0); +} + +/* */ + +function resolveAsyncComponents (matched) { + return function (to, from, next) { + var hasAsync = false; + var pending = 0; + var error = null; + + flatMapComponents(matched, function (def, _, match, key) { + // if it's a function and doesn't have cid attached, + // assume it's an async component resolve function. + // we are not using Vue's default async resolving mechanism because + // we want to halt the navigation until the incoming component has been + // resolved. + if (typeof def === 'function' && def.cid === undefined) { + hasAsync = true; + pending++; + + var resolve = once(function (resolvedDef) { + if (isESModule(resolvedDef)) { + resolvedDef = resolvedDef.default; + } + // save resolved on async factory in case it's used elsewhere + def.resolved = typeof resolvedDef === 'function' + ? resolvedDef + : _Vue.extend(resolvedDef); + match.components[key] = resolvedDef; + pending--; + if (pending <= 0) { + next(); + } + }); + + var reject = once(function (reason) { + var msg = "Failed to resolve async component " + key + ": " + reason; + "development" !== 'production' && warn(false, msg); + if (!error) { + error = isError(reason) + ? reason + : new Error(msg); + next(error); + } + }); + + var res; + try { + res = def(resolve, reject); + } catch (e) { + reject(e); + } + if (res) { + if (typeof res.then === 'function') { + res.then(resolve, reject); + } else { + // new syntax in Vue 2.3 + var comp = res.component; + if (comp && typeof comp.then === 'function') { + comp.then(resolve, reject); + } + } + } + } + }); + + if (!hasAsync) { next(); } + } +} + +function flatMapComponents ( + matched, + fn +) { + return flatten(matched.map(function (m) { + return Object.keys(m.components).map(function (key) { return fn( + m.components[key], + m.instances[key], + m, key + ); }) + })) +} + +function flatten (arr) { + return Array.prototype.concat.apply([], arr) +} + +var hasSymbol = + typeof Symbol === 'function' && + typeof Symbol.toStringTag === 'symbol'; + +function isESModule (obj) { + return obj.__esModule || (hasSymbol && obj[Symbol.toStringTag] === 'Module') +} + +// in Webpack 2, require.ensure now also returns a Promise +// so the resolve/reject functions may get called an extra time +// if the user uses an arrow function shorthand that happens to +// return that Promise. +function once (fn) { + var called = false; + return function () { + var args = [], len = arguments.length; + while ( len-- ) args[ len ] = arguments[ len ]; + + if (called) { return } + called = true; + return fn.apply(this, args) + } +} + +/* */ + +var History = function History (router, base) { + this.router = router; + this.base = normalizeBase(base); + // start with a route object that stands for "nowhere" + this.current = START; + this.pending = null; + this.ready = false; + this.readyCbs = []; + this.readyErrorCbs = []; + this.errorCbs = []; +}; + +History.prototype.listen = function listen (cb) { + this.cb = cb; +}; + +History.prototype.onReady = function onReady (cb, errorCb) { + if (this.ready) { + cb(); + } else { + this.readyCbs.push(cb); + if (errorCb) { + this.readyErrorCbs.push(errorCb); + } + } +}; + +History.prototype.onError = function onError (errorCb) { + this.errorCbs.push(errorCb); +}; + +History.prototype.transitionTo = function transitionTo (location, onComplete, onAbort) { + var this$1 = this; + + var route = this.router.match(location, this.current); + this.confirmTransition(route, function () { + this$1.updateRoute(route); + onComplete && onComplete(route); + this$1.ensureURL(); + + // fire ready cbs once + if (!this$1.ready) { + this$1.ready = true; + this$1.readyCbs.forEach(function (cb) { cb(route); }); + } + }, function (err) { + if (onAbort) { + onAbort(err); + } + if (err && !this$1.ready) { + this$1.ready = true; + this$1.readyErrorCbs.forEach(function (cb) { cb(err); }); + } + }); +}; + +History.prototype.confirmTransition = function confirmTransition (route, onComplete, onAbort) { + var this$1 = this; + + var current = this.current; + var abort = function (err) { + if (isError(err)) { + if (this$1.errorCbs.length) { + this$1.errorCbs.forEach(function (cb) { cb(err); }); + } else { + warn(false, 'uncaught error during route navigation:'); + console.error(err); + } + } + onAbort && onAbort(err); + }; + if ( + isSameRoute(route, current) && + // in the case the route map has been dynamically appended to + route.matched.length === current.matched.length + ) { + this.ensureURL(); + return abort() + } + + var ref = resolveQueue(this.current.matched, route.matched); + var updated = ref.updated; + var deactivated = ref.deactivated; + var activated = ref.activated; + + var queue = [].concat( + // in-component leave guards + extractLeaveGuards(deactivated), + // global before hooks + this.router.beforeHooks, + // in-component update hooks + extractUpdateHooks(updated), + // in-config enter guards + activated.map(function (m) { return m.beforeEnter; }), + // async components + resolveAsyncComponents(activated) + ); + + this.pending = route; + var iterator = function (hook, next) { + if (this$1.pending !== route) { + return abort() + } + try { + hook(route, current, function (to) { + if (to === false || isError(to)) { + // next(false) -> abort navigation, ensure current URL + this$1.ensureURL(true); + abort(to); + } else if ( + typeof to === 'string' || + (typeof to === 'object' && ( + typeof to.path === 'string' || + typeof to.name === 'string' + )) + ) { + // next('/') or next({ path: '/' }) -> redirect + abort(); + if (typeof to === 'object' && to.replace) { + this$1.replace(to); + } else { + this$1.push(to); + } + } else { + // confirm transition and pass on the value + next(to); + } + }); + } catch (e) { + abort(e); + } + }; + + runQueue(queue, iterator, function () { + var postEnterCbs = []; + var isValid = function () { return this$1.current === route; }; + // wait until async components are resolved before + // extracting in-component enter guards + var enterGuards = extractEnterGuards(activated, postEnterCbs, isValid); + var queue = enterGuards.concat(this$1.router.resolveHooks); + runQueue(queue, iterator, function () { + if (this$1.pending !== route) { + return abort() + } + this$1.pending = null; + onComplete(route); + if (this$1.router.app) { + this$1.router.app.$nextTick(function () { + postEnterCbs.forEach(function (cb) { cb(); }); + }); + } + }); + }); +}; + +History.prototype.updateRoute = function updateRoute (route) { + var prev = this.current; + this.current = route; + this.cb && this.cb(route); + this.router.afterHooks.forEach(function (hook) { + hook && hook(route, prev); + }); +}; + +function normalizeBase (base) { + if (!base) { + if (inBrowser) { + // respect tag + var baseEl = document.querySelector('base'); + base = (baseEl && baseEl.getAttribute('href')) || '/'; + // strip full URL origin + base = base.replace(/^https?:\/\/[^\/]+/, ''); + } else { + base = '/'; + } + } + // make sure there's the starting slash + if (base.charAt(0) !== '/') { + base = '/' + base; + } + // remove trailing slash + return base.replace(/\/$/, '') +} + +function resolveQueue ( + current, + next +) { + var i; + var max = Math.max(current.length, next.length); + for (i = 0; i < max; i++) { + if (current[i] !== next[i]) { + break + } + } + return { + updated: next.slice(0, i), + activated: next.slice(i), + deactivated: current.slice(i) + } +} + +function extractGuards ( + records, + name, + bind, + reverse +) { + var guards = flatMapComponents(records, function (def, instance, match, key) { + var guard = extractGuard(def, name); + if (guard) { + return Array.isArray(guard) + ? guard.map(function (guard) { return bind(guard, instance, match, key); }) + : bind(guard, instance, match, key) + } + }); + return flatten(reverse ? guards.reverse() : guards) +} + +function extractGuard ( + def, + key +) { + if (typeof def !== 'function') { + // extend now so that global mixins are applied. + def = _Vue.extend(def); + } + return def.options[key] +} + +function extractLeaveGuards (deactivated) { + return extractGuards(deactivated, 'beforeRouteLeave', bindGuard, true) +} + +function extractUpdateHooks (updated) { + return extractGuards(updated, 'beforeRouteUpdate', bindGuard) +} + +function bindGuard (guard, instance) { + if (instance) { + return function boundRouteGuard () { + return guard.apply(instance, arguments) + } + } +} + +function extractEnterGuards ( + activated, + cbs, + isValid +) { + return extractGuards(activated, 'beforeRouteEnter', function (guard, _, match, key) { + return bindEnterGuard(guard, match, key, cbs, isValid) + }) +} + +function bindEnterGuard ( + guard, + match, + key, + cbs, + isValid +) { + return function routeEnterGuard (to, from, next) { + return guard(to, from, function (cb) { + next(cb); + if (typeof cb === 'function') { + cbs.push(function () { + // #750 + // if a router-view is wrapped with an out-in transition, + // the instance may not have been registered at this time. + // we will need to poll for registration until current route + // is no longer valid. + poll(cb, match.instances, key, isValid); + }); + } + }) + } +} + +function poll ( + cb, // somehow flow cannot infer this is a function + instances, + key, + isValid +) { + if (instances[key]) { + cb(instances[key]); + } else if (isValid()) { + setTimeout(function () { + poll(cb, instances, key, isValid); + }, 16); + } +} + +/* */ + + +var HTML5History = (function (History$$1) { + function HTML5History (router, base) { + var this$1 = this; + + History$$1.call(this, router, base); + + var expectScroll = router.options.scrollBehavior; + + if (expectScroll) { + setupScroll(); + } + + var initLocation = getLocation(this.base); + window.addEventListener('popstate', function (e) { + var current = this$1.current; + + // Avoiding first `popstate` event dispatched in some browsers but first + // history route not updated since async guard at the same time. + var location = getLocation(this$1.base); + if (this$1.current === START && location === initLocation) { + return + } + + this$1.transitionTo(location, function (route) { + if (expectScroll) { + handleScroll(router, route, current, true); + } + }); + }); + } + + if ( History$$1 ) HTML5History.__proto__ = History$$1; + HTML5History.prototype = Object.create( History$$1 && History$$1.prototype ); + HTML5History.prototype.constructor = HTML5History; + + HTML5History.prototype.go = function go (n) { + window.history.go(n); + }; + + HTML5History.prototype.push = function push (location, onComplete, onAbort) { + var this$1 = this; + + var ref = this; + var fromRoute = ref.current; + this.transitionTo(location, function (route) { + pushState(cleanPath(this$1.base + route.fullPath)); + handleScroll(this$1.router, route, fromRoute, false); + onComplete && onComplete(route); + }, onAbort); + }; + + HTML5History.prototype.replace = function replace (location, onComplete, onAbort) { + var this$1 = this; + + var ref = this; + var fromRoute = ref.current; + this.transitionTo(location, function (route) { + replaceState(cleanPath(this$1.base + route.fullPath)); + handleScroll(this$1.router, route, fromRoute, false); + onComplete && onComplete(route); + }, onAbort); + }; + + HTML5History.prototype.ensureURL = function ensureURL (push) { + if (getLocation(this.base) !== this.current.fullPath) { + var current = cleanPath(this.base + this.current.fullPath); + push ? pushState(current) : replaceState(current); + } + }; + + HTML5History.prototype.getCurrentLocation = function getCurrentLocation () { + return getLocation(this.base) + }; + + return HTML5History; +}(History)); + +function getLocation (base) { + var path = window.location.pathname; + if (base && path.indexOf(base) === 0) { + path = path.slice(base.length); + } + return (path || '/') + window.location.search + window.location.hash +} + +/* */ + + +var HashHistory = (function (History$$1) { + function HashHistory (router, base, fallback) { + History$$1.call(this, router, base); + // check history fallback deeplinking + if (fallback && checkFallback(this.base)) { + return + } + ensureSlash(); + } + + if ( History$$1 ) HashHistory.__proto__ = History$$1; + HashHistory.prototype = Object.create( History$$1 && History$$1.prototype ); + HashHistory.prototype.constructor = HashHistory; + + // this is delayed until the app mounts + // to avoid the hashchange listener being fired too early + HashHistory.prototype.setupListeners = function setupListeners () { + var this$1 = this; + + var router = this.router; + var expectScroll = router.options.scrollBehavior; + var supportsScroll = supportsPushState && expectScroll; + + if (supportsScroll) { + setupScroll(); + } + + window.addEventListener(supportsPushState ? 'popstate' : 'hashchange', function () { + var current = this$1.current; + if (!ensureSlash()) { + return + } + this$1.transitionTo(getHash(), function (route) { + if (supportsScroll) { + handleScroll(this$1.router, route, current, true); + } + if (!supportsPushState) { + replaceHash(route.fullPath); + } + }); + }); + }; + + HashHistory.prototype.push = function push (location, onComplete, onAbort) { + var this$1 = this; + + var ref = this; + var fromRoute = ref.current; + this.transitionTo(location, function (route) { + pushHash(route.fullPath); + handleScroll(this$1.router, route, fromRoute, false); + onComplete && onComplete(route); + }, onAbort); + }; + + HashHistory.prototype.replace = function replace (location, onComplete, onAbort) { + var this$1 = this; + + var ref = this; + var fromRoute = ref.current; + this.transitionTo(location, function (route) { + replaceHash(route.fullPath); + handleScroll(this$1.router, route, fromRoute, false); + onComplete && onComplete(route); + }, onAbort); + }; + + HashHistory.prototype.go = function go (n) { + window.history.go(n); + }; + + HashHistory.prototype.ensureURL = function ensureURL (push) { + var current = this.current.fullPath; + if (getHash() !== current) { + push ? pushHash(current) : replaceHash(current); + } + }; + + HashHistory.prototype.getCurrentLocation = function getCurrentLocation () { + return getHash() + }; + + return HashHistory; +}(History)); + +function checkFallback (base) { + var location = getLocation(base); + if (!/^\/#/.test(location)) { + window.location.replace( + cleanPath(base + '/#' + location) + ); + return true + } +} + +function ensureSlash () { + var path = getHash(); + if (path.charAt(0) === '/') { + return true + } + replaceHash('/' + path); + return false +} + +function getHash () { + // We can't use window.location.hash here because it's not + // consistent across browsers - Firefox will pre-decode it! + var href = window.location.href; + var index = href.indexOf('#'); + return index === -1 ? '' : href.slice(index + 1) +} + +function getUrl (path) { + var href = window.location.href; + var i = href.indexOf('#'); + var base = i >= 0 ? href.slice(0, i) : href; + return (base + "#" + path) +} + +function pushHash (path) { + if (supportsPushState) { + pushState(getUrl(path)); + } else { + window.location.hash = path; + } +} + +function replaceHash (path) { + if (supportsPushState) { + replaceState(getUrl(path)); + } else { + window.location.replace(getUrl(path)); + } +} + +/* */ + + +var AbstractHistory = (function (History$$1) { + function AbstractHistory (router, base) { + History$$1.call(this, router, base); + this.stack = []; + this.index = -1; + } + + if ( History$$1 ) AbstractHistory.__proto__ = History$$1; + AbstractHistory.prototype = Object.create( History$$1 && History$$1.prototype ); + AbstractHistory.prototype.constructor = AbstractHistory; + + AbstractHistory.prototype.push = function push (location, onComplete, onAbort) { + var this$1 = this; + + this.transitionTo(location, function (route) { + this$1.stack = this$1.stack.slice(0, this$1.index + 1).concat(route); + this$1.index++; + onComplete && onComplete(route); + }, onAbort); + }; + + AbstractHistory.prototype.replace = function replace (location, onComplete, onAbort) { + var this$1 = this; + + this.transitionTo(location, function (route) { + this$1.stack = this$1.stack.slice(0, this$1.index).concat(route); + onComplete && onComplete(route); + }, onAbort); + }; + + AbstractHistory.prototype.go = function go (n) { + var this$1 = this; + + var targetIndex = this.index + n; + if (targetIndex < 0 || targetIndex >= this.stack.length) { + return + } + var route = this.stack[targetIndex]; + this.confirmTransition(route, function () { + this$1.index = targetIndex; + this$1.updateRoute(route); + }); + }; + + AbstractHistory.prototype.getCurrentLocation = function getCurrentLocation () { + var current = this.stack[this.stack.length - 1]; + return current ? current.fullPath : '/' + }; + + AbstractHistory.prototype.ensureURL = function ensureURL () { + // noop + }; + + return AbstractHistory; +}(History)); + +/* */ + +var VueRouter = function VueRouter (options) { + if ( options === void 0 ) options = {}; + + this.app = null; + this.apps = []; + this.options = options; + this.beforeHooks = []; + this.resolveHooks = []; + this.afterHooks = []; + this.matcher = createMatcher(options.routes || [], this); + + var mode = options.mode || 'hash'; + this.fallback = mode === 'history' && !supportsPushState && options.fallback !== false; + if (this.fallback) { + mode = 'hash'; + } + if (!inBrowser) { + mode = 'abstract'; + } + this.mode = mode; + + switch (mode) { + case 'history': + this.history = new HTML5History(this, options.base); + break + case 'hash': + this.history = new HashHistory(this, options.base, this.fallback); + break + case 'abstract': + this.history = new AbstractHistory(this, options.base); + break + default: + { + assert(false, ("invalid mode: " + mode)); + } + } +}; + +var prototypeAccessors = { currentRoute: { configurable: true } }; + +VueRouter.prototype.match = function match ( + raw, + current, + redirectedFrom +) { + return this.matcher.match(raw, current, redirectedFrom) +}; + +prototypeAccessors.currentRoute.get = function () { + return this.history && this.history.current +}; + +VueRouter.prototype.init = function init (app /* Vue component instance */) { + var this$1 = this; + + "development" !== 'production' && assert( + install.installed, + "not installed. Make sure to call `Vue.use(VueRouter)` " + + "before creating root instance." + ); + + this.apps.push(app); + + // main app already initialized. + if (this.app) { + return + } + + this.app = app; + + var history = this.history; + + if (history instanceof HTML5History) { + history.transitionTo(history.getCurrentLocation()); + } else if (history instanceof HashHistory) { + var setupHashListener = function () { + history.setupListeners(); + }; + history.transitionTo( + history.getCurrentLocation(), + setupHashListener, + setupHashListener + ); + } + + history.listen(function (route) { + this$1.apps.forEach(function (app) { + app._route = route; + }); + }); +}; + +VueRouter.prototype.beforeEach = function beforeEach (fn) { + return registerHook(this.beforeHooks, fn) +}; + +VueRouter.prototype.beforeResolve = function beforeResolve (fn) { + return registerHook(this.resolveHooks, fn) +}; + +VueRouter.prototype.afterEach = function afterEach (fn) { + return registerHook(this.afterHooks, fn) +}; + +VueRouter.prototype.onReady = function onReady (cb, errorCb) { + this.history.onReady(cb, errorCb); +}; + +VueRouter.prototype.onError = function onError (errorCb) { + this.history.onError(errorCb); +}; + +VueRouter.prototype.push = function push (location, onComplete, onAbort) { + this.history.push(location, onComplete, onAbort); +}; + +VueRouter.prototype.replace = function replace (location, onComplete, onAbort) { + this.history.replace(location, onComplete, onAbort); +}; + +VueRouter.prototype.go = function go (n) { + this.history.go(n); +}; + +VueRouter.prototype.back = function back () { + this.go(-1); +}; + +VueRouter.prototype.forward = function forward () { + this.go(1); +}; + +VueRouter.prototype.getMatchedComponents = function getMatchedComponents (to) { + var route = to + ? to.matched + ? to + : this.resolve(to).route + : this.currentRoute; + if (!route) { + return [] + } + return [].concat.apply([], route.matched.map(function (m) { + return Object.keys(m.components).map(function (key) { + return m.components[key] + }) + })) +}; + +VueRouter.prototype.resolve = function resolve ( + to, + current, + append +) { + var location = normalizeLocation( + to, + current || this.history.current, + append, + this + ); + var route = this.match(location, current); + var fullPath = route.redirectedFrom || route.fullPath; + var base = this.history.base; + var href = createHref(base, fullPath, this.mode); + return { + location: location, + route: route, + href: href, + // for backwards compat + normalizedTo: location, + resolved: route + } +}; + +VueRouter.prototype.addRoutes = function addRoutes (routes) { + this.matcher.addRoutes(routes); + if (this.history.current !== START) { + this.history.transitionTo(this.history.getCurrentLocation()); + } +}; + +Object.defineProperties( VueRouter.prototype, prototypeAccessors ); + +function registerHook (list, fn) { + list.push(fn); + return function () { + var i = list.indexOf(fn); + if (i > -1) { list.splice(i, 1); } + } +} + +function createHref (base, fullPath, mode) { + var path = mode === 'hash' ? '#' + fullPath : fullPath; + return base ? cleanPath(base + '/' + path) : path +} + +VueRouter.install = install; +VueRouter.version = '3.0.1'; + +if (inBrowser && window.Vue) { + window.Vue.use(VueRouter); +} + +return VueRouter; + +}))); diff --git a/static/js/vue-router.min.js b/static/js/vue-router.min.js new file mode 100644 index 0000000..867a978 --- /dev/null +++ b/static/js/vue-router.min.js @@ -0,0 +1,6 @@ +/** + * vue-router v3.0.1 + * (c) 2017 Evan You + * @license MIT + */ +!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):t.VueRouter=e()}(this,function(){"use strict";function t(t,e){}function e(t){return Object.prototype.toString.call(t).indexOf("Error")>-1}function r(t,e){switch(typeof e){case"undefined":return;case"object":return e;case"function":return e(t);case"boolean":return e?t.params:void 0}}function n(t,e){for(var r in e)t[r]=e[r];return t}function o(t,e,r){void 0===e&&(e={});var 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+}(this, (function () { 'use strict'; + +/* */ + +var emptyObject = Object.freeze({}); + +// these helpers produces better vm code in JS engines due to their +// explicitness and function inlining +function isUndef (v) { + return v === undefined || v === null +} + +function isDef (v) { + return v !== undefined && v !== null +} + +function isTrue (v) { + return v === true +} + +function isFalse (v) { + return v === false +} + +/** + * Check if value is primitive + */ +function isPrimitive (value) { + return ( + typeof value === 'string' || + typeof value === 'number' || + // $flow-disable-line + typeof value === 'symbol' || + typeof value === 'boolean' + ) +} + +/** + * Quick object check - this is primarily used to tell + * Objects from primitive values when we know the value + * is a JSON-compliant type. + */ +function isObject (obj) { + return obj !== null && typeof obj === 'object' +} + +/** + * Get the raw type string of a value e.g. [object Object] + */ +var _toString = Object.prototype.toString; + +function toRawType (value) { + return _toString.call(value).slice(8, -1) +} + +/** + * Strict object type check. Only returns true + * for plain JavaScript objects. + */ +function isPlainObject (obj) { + return _toString.call(obj) === '[object Object]' +} + +function isRegExp (v) { + return _toString.call(v) === '[object RegExp]' +} + +/** + * Check if val is a valid array index. + */ +function isValidArrayIndex (val) { + var n = parseFloat(String(val)); + return n >= 0 && Math.floor(n) === n && isFinite(val) +} + +/** + * Convert a value to a string that is actually rendered. + */ +function toString (val) { + return val == null + ? '' + : typeof val === 'object' + ? JSON.stringify(val, null, 2) + : String(val) +} + +/** + * Convert a input value to a number for persistence. + * If the conversion fails, return original string. + */ +function toNumber (val) { + var n = parseFloat(val); + return isNaN(n) ? val : n +} + +/** + * Make a map and return a function for checking if a key + * is in that map. + */ +function makeMap ( + str, + expectsLowerCase +) { + var map = Object.create(null); + var list = str.split(','); + for (var i = 0; i < list.length; i++) { + map[list[i]] = true; + } + return expectsLowerCase + ? function (val) { return map[val.toLowerCase()]; } + : function (val) { return map[val]; } +} + +/** + * Check if a tag is a built-in tag. + */ +var isBuiltInTag = makeMap('slot,component', true); + +/** + * Check if a attribute is a reserved attribute. + */ +var isReservedAttribute = makeMap('key,ref,slot,slot-scope,is'); + +/** + * Remove an item from an array + */ +function remove (arr, item) { + if (arr.length) { + var index = arr.indexOf(item); + if (index > -1) { + return arr.splice(index, 1) + } + } +} + +/** + * Check whether the object has the property. + */ +var hasOwnProperty = Object.prototype.hasOwnProperty; +function hasOwn (obj, key) { + return hasOwnProperty.call(obj, key) +} + +/** + * Create a cached version of a pure function. + */ +function cached (fn) { + var cache = Object.create(null); + return (function cachedFn (str) { + var hit = cache[str]; + return hit || (cache[str] = fn(str)) + }) +} + +/** + * Camelize a hyphen-delimited string. + */ +var camelizeRE = /-(\w)/g; +var camelize = cached(function (str) { + return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; }) +}); + +/** + * Capitalize a string. + */ +var capitalize = cached(function (str) { + return str.charAt(0).toUpperCase() + str.slice(1) +}); + +/** + * Hyphenate a camelCase string. + */ +var hyphenateRE = /\B([A-Z])/g; +var hyphenate = cached(function (str) { + return str.replace(hyphenateRE, '-$1').toLowerCase() +}); + +/** + * Simple bind polyfill for environments that do not support it... e.g. + * PhantomJS 1.x. Technically we don't need this anymore since native bind is + * now more performant in most browsers, but removing it would be breaking for + * code that was able to run in PhantomJS 1.x, so this must be kept for + * backwards compatibility. + */ + +/* istanbul ignore next */ +function polyfillBind (fn, ctx) { + function boundFn (a) { + var l = arguments.length; + return l + ? l > 1 + ? fn.apply(ctx, arguments) + : fn.call(ctx, a) + : fn.call(ctx) + } + + boundFn._length = fn.length; + return boundFn +} + +function nativeBind (fn, ctx) { + return fn.bind(ctx) +} + +var bind = Function.prototype.bind + ? nativeBind + : polyfillBind; + +/** + * Convert an Array-like object to a real Array. + */ +function toArray (list, start) { + start = start || 0; + var i = list.length - start; + var ret = new Array(i); + while (i--) { + ret[i] = list[i + start]; + } + return ret +} + +/** + * Mix properties into target object. + */ +function extend (to, _from) { + for (var key in _from) { + to[key] = _from[key]; + } + return to +} + +/** + * Merge an Array of Objects into a single Object. + */ +function toObject (arr) { + var res = {}; + for (var i = 0; i < arr.length; i++) { + if (arr[i]) { + extend(res, arr[i]); + } + } + return res +} + +/** + * Perform no operation. + * Stubbing args to make Flow happy without leaving useless transpiled code + * with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/) + */ +function noop (a, b, c) {} + +/** + * Always return false. + */ +var no = function (a, b, c) { return false; }; + +/** + * Return same value + */ +var identity = function (_) { return _; }; + +/** + * Generate a static keys string from compiler modules. + */ +function genStaticKeys (modules) { + return modules.reduce(function (keys, m) { + return keys.concat(m.staticKeys || []) + }, []).join(',') +} + +/** + * Check if two values are loosely equal - that is, + * if they are plain objects, do they have the same shape? + */ +function looseEqual (a, b) { + if (a === b) { return true } + var isObjectA = isObject(a); + var isObjectB = isObject(b); + if (isObjectA && isObjectB) { + try { + var isArrayA = Array.isArray(a); + var isArrayB = Array.isArray(b); + if (isArrayA && isArrayB) { + return a.length === b.length && a.every(function (e, i) { + return looseEqual(e, b[i]) + }) + } else if (!isArrayA && !isArrayB) { + var keysA = Object.keys(a); + var keysB = Object.keys(b); + return keysA.length === keysB.length && keysA.every(function (key) { + return looseEqual(a[key], b[key]) + }) + } else { + /* istanbul ignore next */ + return false + } + } catch (e) { + /* istanbul ignore next */ + return false + } + } else if (!isObjectA && !isObjectB) { + return String(a) === String(b) + } else { + return false + } +} + +function looseIndexOf (arr, val) { + for (var i = 0; i < arr.length; i++) { + if (looseEqual(arr[i], val)) { return i } + } + return -1 +} + +/** + * Ensure a function is called only once. + */ +function once (fn) { + var called = false; + return function () { + if (!called) { + called = true; + fn.apply(this, arguments); + } + } +} + +var SSR_ATTR = 'data-server-rendered'; + +var ASSET_TYPES = [ + 'component', + 'directive', + 'filter' +]; + +var LIFECYCLE_HOOKS = [ + 'beforeCreate', + 'created', + 'beforeMount', + 'mounted', + 'beforeUpdate', + 'updated', + 'beforeDestroy', + 'destroyed', + 'activated', + 'deactivated', + 'errorCaptured' +]; + +/* */ + +var config = ({ + /** + * Option merge strategies (used in core/util/options) + */ + // $flow-disable-line + optionMergeStrategies: Object.create(null), + + /** + * Whether to suppress warnings. + */ + silent: false, + + /** + * Show production mode tip message on boot? + */ + productionTip: "development" !== 'production', + + /** + * Whether to enable devtools + */ + devtools: "development" !== 'production', + + /** + * Whether to record perf + */ + performance: false, + + /** + * Error handler for watcher errors + */ + errorHandler: null, + + /** + * Warn handler for watcher warns + */ + warnHandler: null, + + /** + * Ignore certain custom elements + */ + ignoredElements: [], + + /** + * Custom user key aliases for v-on + */ + // $flow-disable-line + keyCodes: Object.create(null), + + /** + * Check if a tag is reserved so that it cannot be registered as a + * component. This is platform-dependent and may be overwritten. + */ + isReservedTag: no, + + /** + * Check if an attribute is reserved so that it cannot be used as a component + * prop. This is platform-dependent and may be overwritten. + */ + isReservedAttr: no, + + /** + * Check if a tag is an unknown element. + * Platform-dependent. + */ + isUnknownElement: no, + + /** + * Get the namespace of an element + */ + getTagNamespace: noop, + + /** + * Parse the real tag name for the specific platform. + */ + parsePlatformTagName: identity, + + /** + * Check if an attribute must be bound using property, e.g. value + * Platform-dependent. + */ + mustUseProp: no, + + /** + * Exposed for legacy reasons + */ + _lifecycleHooks: LIFECYCLE_HOOKS +}) + +/* */ + +/** + * Check if a string starts with $ or _ + */ +function isReserved (str) { + var c = (str + '').charCodeAt(0); + return c === 0x24 || c === 0x5F +} + +/** + * Define a property. + */ +function def (obj, key, val, enumerable) { + Object.defineProperty(obj, key, { + value: val, + enumerable: !!enumerable, + writable: true, + configurable: true + }); +} + +/** + * Parse simple path. + */ +var bailRE = /[^\w.$]/; +function parsePath (path) { + if (bailRE.test(path)) { + return + } + var segments = path.split('.'); + return function (obj) { + for (var i = 0; i < segments.length; i++) { + if (!obj) { return } + obj = obj[segments[i]]; + } + return obj + } +} + +/* */ + +// can we use __proto__? +var hasProto = '__proto__' in {}; + +// Browser environment sniffing +var inBrowser = typeof window !== 'undefined'; +var inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform; +var weexPlatform = inWeex && WXEnvironment.platform.toLowerCase(); +var UA = inBrowser && window.navigator.userAgent.toLowerCase(); +var isIE = UA && /msie|trident/.test(UA); +var isIE9 = UA && UA.indexOf('msie 9.0') > 0; +var isEdge = UA && UA.indexOf('edge/') > 0; +var isAndroid = (UA && UA.indexOf('android') > 0) || (weexPlatform === 'android'); +var isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform === 'ios'); +var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge; + +// Firefox has a "watch" function on Object.prototype... +var nativeWatch = ({}).watch; + +var supportsPassive = false; +if (inBrowser) { + try { + var opts = {}; + Object.defineProperty(opts, 'passive', ({ + get: function get () { + /* istanbul ignore next */ + supportsPassive = true; + } + })); // https://github.com/facebook/flow/issues/285 + window.addEventListener('test-passive', null, opts); + } catch (e) {} +} + +// this needs to be lazy-evaled because vue may be required before +// vue-server-renderer can set VUE_ENV +var _isServer; +var isServerRendering = function () { + if (_isServer === undefined) { + /* istanbul ignore if */ + if (!inBrowser && !inWeex && typeof global !== 'undefined') { + // detect presence of vue-server-renderer and avoid + // Webpack shimming the process + _isServer = global['process'].env.VUE_ENV === 'server'; + } else { + _isServer = false; + } + } + return _isServer +}; + +// detect devtools +var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__; + +/* istanbul ignore next */ +function isNative (Ctor) { + return typeof Ctor === 'function' && /native code/.test(Ctor.toString()) +} + +var hasSymbol = + typeof Symbol !== 'undefined' && isNative(Symbol) && + typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys); + +var _Set; +/* istanbul ignore if */ // $flow-disable-line +if (typeof Set !== 'undefined' && isNative(Set)) { + // use native Set when available. + _Set = Set; +} else { + // a non-standard Set polyfill that only works with primitive keys. + _Set = (function () { + function Set () { + this.set = Object.create(null); + } + Set.prototype.has = function has (key) { + return this.set[key] === true + }; + Set.prototype.add = function add (key) { + this.set[key] = true; + }; + Set.prototype.clear = function clear () { + this.set = Object.create(null); + }; + + return Set; + }()); +} + +/* */ + +var warn = noop; +var tip = noop; +var generateComponentTrace = (noop); // work around flow check +var formatComponentName = (noop); + +{ + var hasConsole = typeof console !== 'undefined'; + var classifyRE = /(?:^|[-_])(\w)/g; + var classify = function (str) { return str + .replace(classifyRE, function (c) { return c.toUpperCase(); }) + .replace(/[-_]/g, ''); }; + + warn = function (msg, vm) { + var trace = vm ? generateComponentTrace(vm) : ''; + + if (config.warnHandler) { + config.warnHandler.call(null, msg, vm, trace); + } else if (hasConsole && (!config.silent)) { + console.error(("[Vue warn]: " + msg + trace)); + } + }; + + tip = function (msg, vm) { + if (hasConsole && (!config.silent)) { + console.warn("[Vue tip]: " + msg + ( + vm ? generateComponentTrace(vm) : '' + )); + } + }; + + formatComponentName = function (vm, includeFile) { + if (vm.$root === vm) { + return '' + } + var options = typeof vm === 'function' && vm.cid != null + ? vm.options + : vm._isVue + ? vm.$options || vm.constructor.options + : vm || {}; + var name = options.name || options._componentTag; + var file = options.__file; + if (!name && file) { + var match = file.match(/([^/\\]+)\.vue$/); + name = match && match[1]; + } + + return ( + (name ? ("<" + (classify(name)) + ">") : "") + + (file && includeFile !== false ? (" at " + file) : '') + ) + }; + + var repeat = function (str, n) { + var res = ''; + while (n) { + if (n % 2 === 1) { res += str; } + if (n > 1) { str += str; } + n >>= 1; + } + return res + }; + + generateComponentTrace = function (vm) { + if (vm._isVue && vm.$parent) { + var tree = []; + var currentRecursiveSequence = 0; + while (vm) { + if (tree.length > 0) { + var last = tree[tree.length - 1]; + if (last.constructor === vm.constructor) { + currentRecursiveSequence++; + vm = vm.$parent; + continue + } else if (currentRecursiveSequence > 0) { + tree[tree.length - 1] = [last, currentRecursiveSequence]; + currentRecursiveSequence = 0; + } + } + tree.push(vm); + vm = vm.$parent; + } + return '\n\nfound in\n\n' + tree + .map(function (vm, i) { return ("" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm) + ? ((formatComponentName(vm[0])) + "... (" + (vm[1]) + " recursive calls)") + : formatComponentName(vm))); }) + .join('\n') + } else { + return ("\n\n(found in " + (formatComponentName(vm)) + ")") + } + }; +} + +/* */ + + +var uid = 0; + +/** + * A dep is an observable that can have multiple + * directives subscribing to it. + */ +var Dep = function Dep () { + this.id = uid++; + this.subs = []; +}; + +Dep.prototype.addSub = function addSub (sub) { + this.subs.push(sub); +}; + +Dep.prototype.removeSub = function removeSub (sub) { + remove(this.subs, sub); +}; + +Dep.prototype.depend = function depend () { + if (Dep.target) { + Dep.target.addDep(this); + } +}; + +Dep.prototype.notify = function notify () { + // stabilize the subscriber list first + var subs = this.subs.slice(); + for (var i = 0, l = subs.length; i < l; i++) { + subs[i].update(); + } +}; + +// the current target watcher being evaluated. +// this is globally unique because there could be only one +// watcher being evaluated at any time. +Dep.target = null; +var targetStack = []; + +function pushTarget (_target) { + if (Dep.target) { targetStack.push(Dep.target); } + Dep.target = _target; +} + +function popTarget () { + Dep.target = targetStack.pop(); +} + +/* */ + +var VNode = function VNode ( + tag, + data, + children, + text, + elm, + context, + componentOptions, + asyncFactory +) { + this.tag = tag; + this.data = data; + this.children = children; + this.text = text; + this.elm = elm; + this.ns = undefined; + this.context = context; + this.fnContext = undefined; + this.fnOptions = undefined; + this.fnScopeId = undefined; + this.key = data && data.key; + this.componentOptions = componentOptions; + this.componentInstance = undefined; + this.parent = undefined; + this.raw = false; + this.isStatic = false; + this.isRootInsert = true; + this.isComment = false; + this.isCloned = false; + this.isOnce = false; + this.asyncFactory = asyncFactory; + this.asyncMeta = undefined; + this.isAsyncPlaceholder = false; +}; + +var prototypeAccessors = { child: { configurable: true } }; + +// DEPRECATED: alias for componentInstance for backwards compat. +/* istanbul ignore next */ +prototypeAccessors.child.get = function () { + return this.componentInstance +}; + +Object.defineProperties( VNode.prototype, prototypeAccessors ); + +var createEmptyVNode = function (text) { + if ( text === void 0 ) text = ''; + + var node = new VNode(); + node.text = text; + node.isComment = true; + return node +}; + +function createTextVNode (val) { + return new VNode(undefined, undefined, undefined, String(val)) +} + +// optimized shallow clone +// used for static nodes and slot nodes because they may be reused across +// multiple renders, cloning them avoids errors when DOM manipulations rely +// on their elm reference. +function cloneVNode (vnode) { + var cloned = new VNode( + vnode.tag, + vnode.data, + vnode.children, + vnode.text, + vnode.elm, + vnode.context, + vnode.componentOptions, + vnode.asyncFactory + ); + cloned.ns = vnode.ns; + cloned.isStatic = vnode.isStatic; + cloned.key = vnode.key; + cloned.isComment = vnode.isComment; + cloned.fnContext = vnode.fnContext; + cloned.fnOptions = vnode.fnOptions; + cloned.fnScopeId = vnode.fnScopeId; + cloned.isCloned = true; + return cloned +} + +/* + * not type checking this file because flow doesn't play well with + * dynamically accessing methods on Array prototype + */ + +var arrayProto = Array.prototype; +var arrayMethods = Object.create(arrayProto); + +var methodsToPatch = [ + 'push', + 'pop', + 'shift', + 'unshift', + 'splice', + 'sort', + 'reverse' +]; + +/** + * Intercept mutating methods and emit events + */ +methodsToPatch.forEach(function (method) { + // cache original method + var original = arrayProto[method]; + def(arrayMethods, method, function mutator () { + var args = [], len = arguments.length; + while ( len-- ) args[ len ] = arguments[ len ]; + + var result = original.apply(this, args); + var ob = this.__ob__; + var inserted; + switch (method) { + case 'push': + case 'unshift': + inserted = args; + break + case 'splice': + inserted = args.slice(2); + break + } + if (inserted) { ob.observeArray(inserted); } + // notify change + ob.dep.notify(); + return result + }); +}); + +/* */ + +var arrayKeys = Object.getOwnPropertyNames(arrayMethods); + +/** + * In some cases we may want to disable observation inside a component's + * update computation. + */ +var shouldObserve = true; + +function toggleObserving (value) { + shouldObserve = value; +} + +/** + * Observer class that is attached to each observed + * object. Once attached, the observer converts the target + * object's property keys into getter/setters that + * collect dependencies and dispatch updates. + */ +var Observer = function Observer (value) { + this.value = value; + this.dep = new Dep(); + this.vmCount = 0; + def(value, '__ob__', this); + if (Array.isArray(value)) { + var augment = hasProto + ? protoAugment + : copyAugment; + augment(value, arrayMethods, arrayKeys); + this.observeArray(value); + } else { + this.walk(value); + } +}; + +/** + * Walk through each property and convert them into + * getter/setters. This method should only be called when + * value type is Object. + */ +Observer.prototype.walk = function walk (obj) { + var keys = Object.keys(obj); + for (var i = 0; i < keys.length; i++) { + defineReactive(obj, keys[i]); + } +}; + +/** + * Observe a list of Array items. + */ +Observer.prototype.observeArray = function observeArray (items) { + for (var i = 0, l = items.length; i < l; i++) { + observe(items[i]); + } +}; + +// helpers + +/** + * Augment an target Object or Array by intercepting + * the prototype chain using __proto__ + */ +function protoAugment (target, src, keys) { + /* eslint-disable no-proto */ + target.__proto__ = src; + /* eslint-enable no-proto */ +} + +/** + * Augment an target Object or Array by defining + * hidden properties. + */ +/* istanbul ignore next */ +function copyAugment (target, src, keys) { + for (var i = 0, l = keys.length; i < l; i++) { + var key = keys[i]; + def(target, key, src[key]); + } +} + +/** + * Attempt to create an observer instance for a value, + * returns the new observer if successfully observed, + * or the existing observer if the value already has one. + */ +function observe (value, asRootData) { + if (!isObject(value) || value instanceof VNode) { + return + } + var ob; + if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) { + ob = value.__ob__; + } else if ( + shouldObserve && + !isServerRendering() && + (Array.isArray(value) || isPlainObject(value)) && + Object.isExtensible(value) && + !value._isVue + ) { + ob = new Observer(value); + } + if (asRootData && ob) { + ob.vmCount++; + } + return ob +} + +/** + * Define a reactive property on an Object. + */ +function defineReactive ( + obj, + key, + val, + customSetter, + shallow +) { + var dep = new Dep(); + + var property = Object.getOwnPropertyDescriptor(obj, key); + if (property && property.configurable === false) { + return + } + + // cater for pre-defined getter/setters + var getter = property && property.get; + if (!getter && arguments.length === 2) { + val = obj[key]; + } + var setter = property && property.set; + + var childOb = !shallow && observe(val); + Object.defineProperty(obj, key, { + enumerable: true, + configurable: true, + get: function reactiveGetter () { + var value = getter ? getter.call(obj) : val; + if (Dep.target) { + dep.depend(); + if (childOb) { + childOb.dep.depend(); + if (Array.isArray(value)) { + dependArray(value); + } + } + } + return value + }, + set: function reactiveSetter (newVal) { + var value = getter ? getter.call(obj) : val; + /* eslint-disable no-self-compare */ + if (newVal === value || (newVal !== newVal && value !== value)) { + return + } + /* eslint-enable no-self-compare */ + if ("development" !== 'production' && customSetter) { + customSetter(); + } + if (setter) { + setter.call(obj, newVal); + } else { + val = newVal; + } + childOb = !shallow && observe(newVal); + dep.notify(); + } + }); +} + +/** + * Set a property on an object. Adds the new property and + * triggers change notification if the property doesn't + * already exist. + */ +function set (target, key, val) { + if ("development" !== 'production' && + (isUndef(target) || isPrimitive(target)) + ) { + warn(("Cannot set reactive property on undefined, null, or primitive value: " + ((target)))); + } + if (Array.isArray(target) && isValidArrayIndex(key)) { + target.length = Math.max(target.length, key); + target.splice(key, 1, val); + return val + } + if (key in target && !(key in Object.prototype)) { + target[key] = val; + return val + } + var ob = (target).__ob__; + if (target._isVue || (ob && ob.vmCount)) { + "development" !== 'production' && warn( + 'Avoid adding reactive properties to a Vue instance or its root $data ' + + 'at runtime - declare it upfront in the data option.' + ); + return val + } + if (!ob) { + target[key] = val; + return val + } + defineReactive(ob.value, key, val); + ob.dep.notify(); + return val +} + +/** + * Delete a property and trigger change if necessary. + */ +function del (target, key) { + if ("development" !== 'production' && + (isUndef(target) || isPrimitive(target)) + ) { + warn(("Cannot delete reactive property on undefined, null, or primitive value: " + ((target)))); + } + if (Array.isArray(target) && isValidArrayIndex(key)) { + target.splice(key, 1); + return + } + var ob = (target).__ob__; + if (target._isVue || (ob && ob.vmCount)) { + "development" !== 'production' && warn( + 'Avoid deleting properties on a Vue instance or its root $data ' + + '- just set it to null.' + ); + return + } + if (!hasOwn(target, key)) { + return + } + delete target[key]; + if (!ob) { + return + } + ob.dep.notify(); +} + +/** + * Collect dependencies on array elements when the array is touched, since + * we cannot intercept array element access like property getters. + */ +function dependArray (value) { + for (var e = (void 0), i = 0, l = value.length; i < l; i++) { + e = value[i]; + e && e.__ob__ && e.__ob__.dep.depend(); + if (Array.isArray(e)) { + dependArray(e); + } + } +} + +/* */ + +/** + * Option overwriting strategies are functions that handle + * how to merge a parent option value and a child option + * value into the final value. + */ +var strats = config.optionMergeStrategies; + +/** + * Options with restrictions + */ +{ + strats.el = strats.propsData = function (parent, child, vm, key) { + if (!vm) { + warn( + "option \"" + key + "\" can only be used during instance " + + 'creation with the `new` keyword.' + ); + } + return defaultStrat(parent, child) + }; +} + +/** + * Helper that recursively merges two data objects together. + */ +function mergeData (to, from) { + if (!from) { return to } + var key, toVal, fromVal; + var keys = Object.keys(from); + for (var i = 0; i < keys.length; i++) { + key = keys[i]; + toVal = to[key]; + fromVal = from[key]; + if (!hasOwn(to, key)) { + set(to, key, fromVal); + } else if (isPlainObject(toVal) && isPlainObject(fromVal)) { + mergeData(toVal, fromVal); + } + } + return to +} + +/** + * Data + */ +function mergeDataOrFn ( + parentVal, + childVal, + vm +) { + if (!vm) { + // in a Vue.extend merge, both should be functions + if (!childVal) { + return parentVal + } + if (!parentVal) { + return childVal + } + // when parentVal & childVal are both present, + // we need to return a function that returns the + // merged result of both functions... no need to + // check if parentVal is a function here because + // it has to be a function to pass previous merges. + return function mergedDataFn () { + return mergeData( + typeof childVal === 'function' ? childVal.call(this, this) : childVal, + typeof parentVal === 'function' ? parentVal.call(this, this) : parentVal + ) + } + } else { + return function mergedInstanceDataFn () { + // instance merge + var instanceData = typeof childVal === 'function' + ? childVal.call(vm, vm) + : childVal; + var defaultData = typeof parentVal === 'function' + ? parentVal.call(vm, vm) + : parentVal; + if (instanceData) { + return mergeData(instanceData, defaultData) + } else { + return defaultData + } + } + } +} + +strats.data = function ( + parentVal, + childVal, + vm +) { + if (!vm) { + if (childVal && typeof childVal !== 'function') { + "development" !== 'production' && warn( + 'The "data" option should be a function ' + + 'that returns a per-instance value in component ' + + 'definitions.', + vm + ); + + return parentVal + } + return mergeDataOrFn(parentVal, childVal) + } + + return mergeDataOrFn(parentVal, childVal, vm) +}; + +/** + * Hooks and props are merged as arrays. + */ +function mergeHook ( + parentVal, + childVal +) { + return childVal + ? parentVal + ? parentVal.concat(childVal) + : Array.isArray(childVal) + ? childVal + : [childVal] + : parentVal +} + +LIFECYCLE_HOOKS.forEach(function (hook) { + strats[hook] = mergeHook; +}); + +/** + * Assets + * + * When a vm is present (instance creation), we need to do + * a three-way merge between constructor options, instance + * options and parent options. + */ +function mergeAssets ( + parentVal, + childVal, + vm, + key +) { + var res = Object.create(parentVal || null); + if (childVal) { + "development" !== 'production' && assertObjectType(key, childVal, vm); + return extend(res, childVal) + } else { + return res + } +} + +ASSET_TYPES.forEach(function (type) { + strats[type + 's'] = mergeAssets; +}); + +/** + * Watchers. + * + * Watchers hashes should not overwrite one + * another, so we merge them as arrays. + */ +strats.watch = function ( + parentVal, + childVal, + vm, + key +) { + // work around Firefox's Object.prototype.watch... + if (parentVal === nativeWatch) { parentVal = undefined; } + if (childVal === nativeWatch) { childVal = undefined; } + /* istanbul ignore if */ + if (!childVal) { return Object.create(parentVal || null) } + { + assertObjectType(key, childVal, vm); + } + if (!parentVal) { return childVal } + var ret = {}; + extend(ret, parentVal); + for (var key$1 in childVal) { + var parent = ret[key$1]; + var child = childVal[key$1]; + if (parent && !Array.isArray(parent)) { + parent = [parent]; + } + ret[key$1] = parent + ? parent.concat(child) + : Array.isArray(child) ? child : [child]; + } + return ret +}; + +/** + * Other object hashes. + */ +strats.props = +strats.methods = +strats.inject = +strats.computed = function ( + parentVal, + childVal, + vm, + key +) { + if (childVal && "development" !== 'production') { + assertObjectType(key, childVal, vm); + } + if (!parentVal) { return childVal } + var ret = Object.create(null); + extend(ret, parentVal); + if (childVal) { extend(ret, childVal); } + return ret +}; +strats.provide = mergeDataOrFn; + +/** + * Default strategy. + */ +var defaultStrat = function (parentVal, childVal) { + return childVal === undefined + ? parentVal + : childVal +}; + +/** + * Validate component names + */ +function checkComponents (options) { + for (var key in options.components) { + validateComponentName(key); + } +} + +function validateComponentName (name) { + if (!/^[a-zA-Z][\w-]*$/.test(name)) { + warn( + 'Invalid component name: "' + name + '". Component names ' + + 'can only contain alphanumeric characters and the hyphen, ' + + 'and must start with a letter.' + ); + } + if (isBuiltInTag(name) || config.isReservedTag(name)) { + warn( + 'Do not use built-in or reserved HTML elements as component ' + + 'id: ' + name + ); + } +} + +/** + * Ensure all props option syntax are normalized into the + * Object-based format. + */ +function normalizeProps (options, vm) { + var props = options.props; + if (!props) { return } + var res = {}; + var i, val, name; + if (Array.isArray(props)) { + i = props.length; + while (i--) { + val = props[i]; + if (typeof val === 'string') { + name = camelize(val); + res[name] = { type: null }; + } else { + warn('props must be strings when using array syntax.'); + } + } + } else if (isPlainObject(props)) { + for (var key in props) { + val = props[key]; + name = camelize(key); + res[name] = isPlainObject(val) + ? val + : { type: val }; + } + } else { + warn( + "Invalid value for option \"props\": expected an Array or an Object, " + + "but got " + (toRawType(props)) + ".", + vm + ); + } + options.props = res; +} + +/** + * Normalize all injections into Object-based format + */ +function normalizeInject (options, vm) { + var inject = options.inject; + if (!inject) { return } + var normalized = options.inject = {}; + if (Array.isArray(inject)) { + for (var i = 0; i < inject.length; i++) { + normalized[inject[i]] = { from: inject[i] }; + } + } else if (isPlainObject(inject)) { + for (var key in inject) { + var val = inject[key]; + normalized[key] = isPlainObject(val) + ? extend({ from: key }, val) + : { from: val }; + } + } else { + warn( + "Invalid value for option \"inject\": expected an Array or an Object, " + + "but got " + (toRawType(inject)) + ".", + vm + ); + } +} + +/** + * Normalize raw function directives into object format. + */ +function normalizeDirectives (options) { + var dirs = options.directives; + if (dirs) { + for (var key in dirs) { + var def = dirs[key]; + if (typeof def === 'function') { + dirs[key] = { bind: def, update: def }; + } + } + } +} + +function assertObjectType (name, value, vm) { + if (!isPlainObject(value)) { + warn( + "Invalid value for option \"" + name + "\": expected an Object, " + + "but got " + (toRawType(value)) + ".", + vm + ); + } +} + +/** + * Merge two option objects into a new one. + * Core utility used in both instantiation and inheritance. + */ +function mergeOptions ( + parent, + child, + vm +) { + { + checkComponents(child); + } + + if (typeof child === 'function') { + child = child.options; + } + + normalizeProps(child, vm); + normalizeInject(child, vm); + normalizeDirectives(child); + var extendsFrom = child.extends; + if (extendsFrom) { + parent = mergeOptions(parent, extendsFrom, vm); + } + if (child.mixins) { + for (var i = 0, l = child.mixins.length; i < l; i++) { + parent = mergeOptions(parent, child.mixins[i], vm); + } + } + var options = {}; + var key; + for (key in parent) { + mergeField(key); + } + for (key in child) { + if (!hasOwn(parent, key)) { + mergeField(key); + } + } + function mergeField (key) { + var strat = strats[key] || defaultStrat; + options[key] = strat(parent[key], child[key], vm, key); + } + return options +} + +/** + * Resolve an asset. + * This function is used because child instances need access + * to assets defined in its ancestor chain. + */ +function resolveAsset ( + options, + type, + id, + warnMissing +) { + /* istanbul ignore if */ + if (typeof id !== 'string') { + return + } + var assets = options[type]; + // check local registration variations first + if (hasOwn(assets, id)) { return assets[id] } + var camelizedId = camelize(id); + if (hasOwn(assets, camelizedId)) { return assets[camelizedId] } + var PascalCaseId = capitalize(camelizedId); + if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] } + // fallback to prototype chain + var res = assets[id] || assets[camelizedId] || assets[PascalCaseId]; + if ("development" !== 'production' && warnMissing && !res) { + warn( + 'Failed to resolve ' + type.slice(0, -1) + ': ' + id, + options + ); + } + return res +} + +/* */ + +function validateProp ( + key, + propOptions, + propsData, + vm +) { + var prop = propOptions[key]; + var absent = !hasOwn(propsData, key); + var value = propsData[key]; + // boolean casting + var booleanIndex = getTypeIndex(Boolean, prop.type); + if (booleanIndex > -1) { + if (absent && !hasOwn(prop, 'default')) { + value = false; + } else if (value === '' || value === hyphenate(key)) { + // only cast empty string / same name to boolean if + // boolean has higher priority + var stringIndex = getTypeIndex(String, prop.type); + if (stringIndex < 0 || booleanIndex < stringIndex) { + value = true; + } + } + } + // check default value + if (value === undefined) { + value = getPropDefaultValue(vm, prop, key); + // since the default value is a fresh copy, + // make sure to observe it. + var prevShouldObserve = shouldObserve; + toggleObserving(true); + observe(value); + toggleObserving(prevShouldObserve); + } + { + assertProp(prop, key, value, vm, absent); + } + return value +} + +/** + * Get the default value of a prop. + */ +function getPropDefaultValue (vm, prop, key) { + // no default, return undefined + if (!hasOwn(prop, 'default')) { + return undefined + } + var def = prop.default; + // warn against non-factory defaults for Object & Array + if ("development" !== 'production' && isObject(def)) { + warn( + 'Invalid default value for prop "' + key + '": ' + + 'Props with type Object/Array must use a factory function ' + + 'to return the default value.', + vm + ); + } + // the raw prop value was also undefined from previous render, + // return previous default value to avoid unnecessary watcher trigger + if (vm && vm.$options.propsData && + vm.$options.propsData[key] === undefined && + vm._props[key] !== undefined + ) { + return vm._props[key] + } + // call factory function for non-Function types + // a value is Function if its prototype is function even across different execution context + return typeof def === 'function' && getType(prop.type) !== 'Function' + ? def.call(vm) + : def +} + +/** + * Assert whether a prop is valid. + */ +function assertProp ( + prop, + name, + value, + vm, + absent +) { + if (prop.required && absent) { + warn( + 'Missing required prop: "' + name + '"', + vm + ); + return + } + if (value == null && !prop.required) { + return + } + var type = prop.type; + var valid = !type || type === true; + var expectedTypes = []; + if (type) { + if (!Array.isArray(type)) { + type = [type]; + } + for (var i = 0; i < type.length && !valid; i++) { + var assertedType = assertType(value, type[i]); + expectedTypes.push(assertedType.expectedType || ''); + valid = assertedType.valid; + } + } + if (!valid) { + warn( + "Invalid prop: type check failed for prop \"" + name + "\"." + + " Expected " + (expectedTypes.map(capitalize).join(', ')) + + ", got " + (toRawType(value)) + ".", + vm + ); + return + } + var validator = prop.validator; + if (validator) { + if (!validator(value)) { + warn( + 'Invalid prop: custom validator check failed for prop "' + name + '".', + vm + ); + } + } +} + +var simpleCheckRE = /^(String|Number|Boolean|Function|Symbol)$/; + +function assertType (value, type) { + var valid; + var expectedType = getType(type); + if (simpleCheckRE.test(expectedType)) { + var t = typeof value; + valid = t === expectedType.toLowerCase(); + // for primitive wrapper objects + if (!valid && t === 'object') { + valid = value instanceof type; + } + } else if (expectedType === 'Object') { + valid = isPlainObject(value); + } else if (expectedType === 'Array') { + valid = Array.isArray(value); + } else { + valid = value instanceof type; + } + return { + valid: valid, + expectedType: expectedType + } +} + +/** + * Use function string name to check built-in types, + * because a simple equality check will fail when running + * across different vms / iframes. + */ +function getType (fn) { + var match = fn && fn.toString().match(/^\s*function (\w+)/); + return match ? match[1] : '' +} + +function isSameType (a, b) { + return getType(a) === getType(b) +} + +function getTypeIndex (type, expectedTypes) { + if (!Array.isArray(expectedTypes)) { + return isSameType(expectedTypes, type) ? 0 : -1 + } + for (var i = 0, len = expectedTypes.length; i < len; i++) { + if (isSameType(expectedTypes[i], type)) { + return i + } + } + return -1 +} + +/* */ + +function handleError (err, vm, info) { + if (vm) { + var cur = vm; + while ((cur = cur.$parent)) { + var hooks = cur.$options.errorCaptured; + if (hooks) { + for (var i = 0; i < hooks.length; i++) { + try { + var capture = hooks[i].call(cur, err, vm, info) === false; + if (capture) { return } + } catch (e) { + globalHandleError(e, cur, 'errorCaptured hook'); + } + } + } + } + } + globalHandleError(err, vm, info); +} + +function globalHandleError (err, vm, info) { + if (config.errorHandler) { + try { + return config.errorHandler.call(null, err, vm, info) + } catch (e) { + logError(e, null, 'config.errorHandler'); + } + } + logError(err, vm, info); +} + +function logError (err, vm, info) { + { + warn(("Error in " + info + ": \"" + (err.toString()) + "\""), vm); + } + /* istanbul ignore else */ + if ((inBrowser || inWeex) && typeof console !== 'undefined') { + console.error(err); + } else { + throw err + } +} + +/* */ +/* globals MessageChannel */ + +var callbacks = []; +var pending = false; + +function flushCallbacks () { + pending = false; + var copies = callbacks.slice(0); + callbacks.length = 0; + for (var i = 0; i < copies.length; i++) { + copies[i](); + } +} + +// Here we have async deferring wrappers using both microtasks and (macro) tasks. +// In < 2.4 we used microtasks everywhere, but there are some scenarios where +// microtasks have too high a priority and fire in between supposedly +// sequential events (e.g. #4521, #6690) or even between bubbling of the same +// event (#6566). However, using (macro) tasks everywhere also has subtle problems +// when state is changed right before repaint (e.g. #6813, out-in transitions). +// Here we use microtask by default, but expose a way to force (macro) task when +// needed (e.g. in event handlers attached by v-on). +var microTimerFunc; +var macroTimerFunc; +var useMacroTask = false; + +// Determine (macro) task defer implementation. +// Technically setImmediate should be the ideal choice, but it's only available +// in IE. The only polyfill that consistently queues the callback after all DOM +// events triggered in the same loop is by using MessageChannel. +/* istanbul ignore if */ +if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) { + macroTimerFunc = function () { + setImmediate(flushCallbacks); + }; +} else if (typeof MessageChannel !== 'undefined' && ( + isNative(MessageChannel) || + // PhantomJS + MessageChannel.toString() === '[object MessageChannelConstructor]' +)) { + var channel = new MessageChannel(); + var port = channel.port2; + channel.port1.onmessage = flushCallbacks; + macroTimerFunc = function () { + port.postMessage(1); + }; +} else { + /* istanbul ignore next */ + macroTimerFunc = function () { + setTimeout(flushCallbacks, 0); + }; +} + +// Determine microtask defer implementation. +/* istanbul ignore next, $flow-disable-line */ +if (typeof Promise !== 'undefined' && isNative(Promise)) { + var p = Promise.resolve(); + microTimerFunc = function () { + p.then(flushCallbacks); + // in problematic UIWebViews, Promise.then doesn't completely break, but + // it can get stuck in a weird state where callbacks are pushed into the + // microtask queue but the queue isn't being flushed, until the browser + // needs to do some other work, e.g. handle a timer. Therefore we can + // "force" the microtask queue to be flushed by adding an empty timer. + if (isIOS) { setTimeout(noop); } + }; +} else { + // fallback to macro + microTimerFunc = macroTimerFunc; +} + +/** + * Wrap a function so that if any code inside triggers state change, + * the changes are queued using a (macro) task instead of a microtask. + */ +function withMacroTask (fn) { + return fn._withTask || (fn._withTask = function () { + useMacroTask = true; + var res = fn.apply(null, arguments); + useMacroTask = false; + return res + }) +} + +function nextTick (cb, ctx) { + var _resolve; + callbacks.push(function () { + if (cb) { + try { + cb.call(ctx); + } catch (e) { + handleError(e, ctx, 'nextTick'); + } + } else if (_resolve) { + _resolve(ctx); + } + }); + if (!pending) { + pending = true; + if (useMacroTask) { + macroTimerFunc(); + } else { + microTimerFunc(); + } + } + // $flow-disable-line + if (!cb && typeof Promise !== 'undefined') { + return new Promise(function (resolve) { + _resolve = resolve; + }) + } +} + +/* */ + +var mark; +var measure; + +{ + var perf = inBrowser && window.performance; + /* istanbul ignore if */ + if ( + perf && + perf.mark && + perf.measure && + perf.clearMarks && + perf.clearMeasures + ) { + mark = function (tag) { return perf.mark(tag); }; + measure = function (name, startTag, endTag) { + perf.measure(name, startTag, endTag); + perf.clearMarks(startTag); + perf.clearMarks(endTag); + perf.clearMeasures(name); + }; + } +} + +/* not type checking this file because flow doesn't play well with Proxy */ + +var initProxy; + +{ + var allowedGlobals = makeMap( + 'Infinity,undefined,NaN,isFinite,isNaN,' + + 'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' + + 'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' + + 'require' // for Webpack/Browserify + ); + + var warnNonPresent = function (target, key) { + warn( + "Property or method \"" + key + "\" is not defined on the instance but " + + 'referenced during render. Make sure that this property is reactive, ' + + 'either in the data option, or for class-based components, by ' + + 'initializing the property. ' + + 'See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.', + target + ); + }; + + var hasProxy = + typeof Proxy !== 'undefined' && isNative(Proxy); + + if (hasProxy) { + var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact'); + config.keyCodes = new Proxy(config.keyCodes, { + set: function set (target, key, value) { + if (isBuiltInModifier(key)) { + warn(("Avoid overwriting built-in modifier in config.keyCodes: ." + key)); + return false + } else { + target[key] = value; + return true + } + } + }); + } + + var hasHandler = { + has: function has (target, key) { + var has = key in target; + var isAllowed = allowedGlobals(key) || key.charAt(0) === '_'; + if (!has && !isAllowed) { + warnNonPresent(target, key); + } + return has || !isAllowed + } + }; + + var getHandler = { + get: function get (target, key) { + if (typeof key === 'string' && !(key in target)) { + warnNonPresent(target, key); + } + return target[key] + } + }; + + initProxy = function initProxy (vm) { + if (hasProxy) { + // determine which proxy handler to use + var options = vm.$options; + var handlers = options.render && options.render._withStripped + ? getHandler + : hasHandler; + vm._renderProxy = new Proxy(vm, handlers); + } else { + vm._renderProxy = vm; + } + }; +} + +/* */ + +var seenObjects = new _Set(); + +/** + * Recursively traverse an object to evoke all converted + * getters, so that every nested property inside the object + * is collected as a "deep" dependency. + */ +function traverse (val) { + _traverse(val, seenObjects); + seenObjects.clear(); +} + +function _traverse (val, seen) { + var i, keys; + var isA = Array.isArray(val); + if ((!isA && !isObject(val)) || Object.isFrozen(val) || val instanceof VNode) { + return + } + if (val.__ob__) { + var depId = val.__ob__.dep.id; + if (seen.has(depId)) { + return + } + seen.add(depId); + } + if (isA) { + i = val.length; + while (i--) { _traverse(val[i], seen); } + } else { + keys = Object.keys(val); + i = keys.length; + while (i--) { _traverse(val[keys[i]], seen); } + } +} + +/* */ + +var normalizeEvent = cached(function (name) { + var passive = name.charAt(0) === '&'; + name = passive ? name.slice(1) : name; + var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first + name = once$$1 ? name.slice(1) : name; + var capture = name.charAt(0) === '!'; + name = capture ? name.slice(1) : name; + return { + name: name, + once: once$$1, + capture: capture, + passive: passive + } +}); + +function createFnInvoker (fns) { + function invoker () { + var arguments$1 = arguments; + + var fns = invoker.fns; + if (Array.isArray(fns)) { + var cloned = fns.slice(); + for (var i = 0; i < cloned.length; i++) { + cloned[i].apply(null, arguments$1); + } + } else { + // return handler return value for single handlers + return fns.apply(null, arguments) + } + } + invoker.fns = fns; + return invoker +} + +function updateListeners ( + on, + oldOn, + add, + remove$$1, + vm +) { + var name, def, cur, old, event; + for (name in on) { + def = cur = on[name]; + old = oldOn[name]; + event = normalizeEvent(name); + /* istanbul ignore if */ + if (isUndef(cur)) { + "development" !== 'production' && warn( + "Invalid handler for event \"" + (event.name) + "\": got " + String(cur), + vm + ); + } else if (isUndef(old)) { + if (isUndef(cur.fns)) { + cur = on[name] = createFnInvoker(cur); + } + add(event.name, cur, event.once, event.capture, event.passive, event.params); + } else if (cur !== old) { + old.fns = cur; + on[name] = old; + } + } + for (name in oldOn) { + if (isUndef(on[name])) { + event = normalizeEvent(name); + remove$$1(event.name, oldOn[name], event.capture); + } + } +} + +/* */ + +function mergeVNodeHook (def, hookKey, hook) { + if (def instanceof VNode) { + def = def.data.hook || (def.data.hook = {}); + } + var invoker; + var oldHook = def[hookKey]; + + function wrappedHook () { + hook.apply(this, arguments); + // important: remove merged hook to ensure it's called only once + // and prevent memory leak + remove(invoker.fns, wrappedHook); + } + + if (isUndef(oldHook)) { + // no existing hook + invoker = createFnInvoker([wrappedHook]); + } else { + /* istanbul ignore if */ + if (isDef(oldHook.fns) && isTrue(oldHook.merged)) { + // already a merged invoker + invoker = oldHook; + invoker.fns.push(wrappedHook); + } else { + // existing plain hook + invoker = createFnInvoker([oldHook, wrappedHook]); + } + } + + invoker.merged = true; + def[hookKey] = invoker; +} + +/* */ + +function extractPropsFromVNodeData ( + data, + Ctor, + tag +) { + // we are only extracting raw values here. + // validation and default values are handled in the child + // component itself. + var propOptions = Ctor.options.props; + if (isUndef(propOptions)) { + return + } + var res = {}; + var attrs = data.attrs; + var props = data.props; + if (isDef(attrs) || isDef(props)) { + for (var key in propOptions) { + var altKey = hyphenate(key); + { + var keyInLowerCase = key.toLowerCase(); + if ( + key !== keyInLowerCase && + attrs && hasOwn(attrs, keyInLowerCase) + ) { + tip( + "Prop \"" + keyInLowerCase + "\" is passed to component " + + (formatComponentName(tag || Ctor)) + ", but the declared prop name is" + + " \"" + key + "\". " + + "Note that HTML attributes are case-insensitive and camelCased " + + "props need to use their kebab-case equivalents when using in-DOM " + + "templates. You should probably use \"" + altKey + "\" instead of \"" + key + "\"." + ); + } + } + checkProp(res, props, key, altKey, true) || + checkProp(res, attrs, key, altKey, false); + } + } + return res +} + +function checkProp ( + res, + hash, + key, + altKey, + preserve +) { + if (isDef(hash)) { + if (hasOwn(hash, key)) { + res[key] = hash[key]; + if (!preserve) { + delete hash[key]; + } + return true + } else if (hasOwn(hash, altKey)) { + res[key] = hash[altKey]; + if (!preserve) { + delete hash[altKey]; + } + return true + } + } + return false +} + +/* */ + +// The template compiler attempts to minimize the need for normalization by +// statically analyzing the template at compile time. +// +// For plain HTML markup, normalization can be completely skipped because the +// generated render function is guaranteed to return Array. There are +// two cases where extra normalization is needed: + +// 1. When the children contains components - because a functional component +// may return an Array instead of a single root. In this case, just a simple +// normalization is needed - if any child is an Array, we flatten the whole +// thing with Array.prototype.concat. It is guaranteed to be only 1-level deep +// because functional components already normalize their own children. +function simpleNormalizeChildren (children) { + for (var i = 0; i < children.length; i++) { + if (Array.isArray(children[i])) { + return Array.prototype.concat.apply([], children) + } + } + return children +} + +// 2. When the children contains constructs that always generated nested Arrays, +// e.g.