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JavaScript
/**
* 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$1.replace) {
router.replace(location);
} else {
router.push(location);
}
}
};
var on = { click: guardEvent };
if (Array.isArray(this.event)) {
this.event.forEach(function (e) { on[e] = handler; });
} else {
on[this.event] = handler;
}
var data = {
class: classes
};
if (this.tag === 'a') {
data.on = on;
data.attrs = { href: href };
} else {
// find the first <a> child and apply listener and href
var a = findAnchor(this.$slots.default);
if (a) {
// in case the <a> 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 <a> 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.$next