lepu-test-platform-web/node_modules/vue-router/dist/vue-router.esm.browser.js

3022 lines
73 KiB
JavaScript

/*!
* vue-router v3.4.3
* (c) 2020 Evan You
* @license MIT
*/
/* */
function assert (condition, message) {
if (!condition) {
throw new Error(`[vue-router] ${message}`)
}
}
function warn (condition, message) {
if ( !condition) {
typeof console !== 'undefined' && console.warn(`[vue-router] ${message}`);
}
}
function extend (a, b) {
for (const key in b) {
a[key] = b[key];
}
return a
}
var View = {
name: 'RouterView',
functional: true,
props: {
name: {
type: String,
default: 'default'
}
},
render (_, { props, children, parent, data }) {
// used by devtools to display a router-view badge
data.routerView = true;
// directly use parent context's createElement() function
// so that components rendered by router-view can resolve named slots
const h = parent.$createElement;
const name = props.name;
const route = parent.$route;
const cache = parent._routerViewCache || (parent._routerViewCache = {});
// determine current view depth, also check to see if the tree
// has been toggled inactive but kept-alive.
let depth = 0;
let inactive = false;
while (parent && parent._routerRoot !== parent) {
const vnodeData = parent.$vnode ? parent.$vnode.data : {};
if (vnodeData.routerView) {
depth++;
}
if (vnodeData.keepAlive && parent._directInactive && parent._inactive) {
inactive = true;
}
parent = parent.$parent;
}
data.routerViewDepth = depth;
// render previous view if the tree is inactive and kept-alive
if (inactive) {
const cachedData = cache[name];
const cachedComponent = cachedData && cachedData.component;
if (cachedComponent) {
// #2301
// pass props
if (cachedData.configProps) {
fillPropsinData(cachedComponent, data, cachedData.route, cachedData.configProps);
}
return h(cachedComponent, data, children)
} else {
// render previous empty view
return h()
}
}
const matched = route.matched[depth];
const component = matched && matched.components[name];
// render empty node if no matched route or no config component
if (!matched || !component) {
cache[name] = null;
return h()
}
// cache component
cache[name] = { component };
// attach instance registration hook
// this will be called in the instance's injected lifecycle hooks
data.registerRouteInstance = (vm, val) => {
// val could be undefined for unregistration
const 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 = (_, vnode) => {
matched.instances[name] = vnode.componentInstance;
};
// register instance in init hook
// in case kept-alive component be actived when routes changed
data.hook.init = (vnode) => {
if (vnode.data.keepAlive &&
vnode.componentInstance &&
vnode.componentInstance !== matched.instances[name]
) {
matched.instances[name] = vnode.componentInstance;
}
};
const configProps = matched.props && matched.props[name];
// save route and configProps in cache
if (configProps) {
extend(cache[name], {
route,
configProps
});
fillPropsinData(component, data, route, configProps);
}
return h(component, data, children)
}
};
function fillPropsinData (component, data, route, configProps) {
// resolve props
let propsToPass = data.props = resolveProps(route, configProps);
if (propsToPass) {
// clone to prevent mutation
propsToPass = data.props = extend({}, propsToPass);
// pass non-declared props as attrs
const attrs = data.attrs = data.attrs || {};
for (const key in propsToPass) {
if (!component.props || !(key in component.props)) {
attrs[key] = propsToPass[key];
delete propsToPass[key];
}
}
}
}
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 ${typeof config}, ` +
`expecting an object, function or boolean.`
);
}
}
}
/* */
const encodeReserveRE = /[!'()*]/g;
const encodeReserveReplacer = c => '%' + c.charCodeAt(0).toString(16);
const commaRE = /%2C/g;
// fixed encodeURIComponent which is more conformant to RFC3986:
// - escapes [!'()*]
// - preserve commas
const encode = str =>
encodeURIComponent(str)
.replace(encodeReserveRE, encodeReserveReplacer)
.replace(commaRE, ',');
const decode = decodeURIComponent;
function resolveQuery (
query,
extraQuery = {},
_parseQuery
) {
const parse = _parseQuery || parseQuery;
let parsedQuery;
try {
parsedQuery = parse(query || '');
} catch (e) {
warn(false, e.message);
parsedQuery = {};
}
for (const key in extraQuery) {
const value = extraQuery[key];
parsedQuery[key] = Array.isArray(value)
? value.map(castQueryParamValue)
: castQueryParamValue(value);
}
return parsedQuery
}
const castQueryParamValue = value => (value == null || typeof value === 'object' ? value : String(value));
function parseQuery (query) {
const res = {};
query = query.trim().replace(/^(\?|#|&)/, '');
if (!query) {
return res
}
query.split('&').forEach(param => {
const parts = param.replace(/\+/g, ' ').split('=');
const key = decode(parts.shift());
const val = parts.length > 0 ? decode(parts.join('=')) : null;
if (res[key] === undefined) {
res[key] = val;
} else if (Array.isArray(res[key])) {
res[key].push(val);
} else {
res[key] = [res[key], val];
}
});
return res
}
function stringifyQuery (obj) {
const res = obj
? Object.keys(obj)
.map(key => {
const val = obj[key];
if (val === undefined) {
return ''
}
if (val === null) {
return encode(key)
}
if (Array.isArray(val)) {
const result = [];
val.forEach(val2 => {
if (val2 === undefined) {
return
}
if (val2 === null) {
result.push(encode(key));
} else {
result.push(encode(key) + '=' + encode(val2));
}
});
return result.join('&')
}
return encode(key) + '=' + encode(val)
})
.filter(x => x.length > 0)
.join('&')
: null;
return res ? `?${res}` : ''
}
/* */
const trailingSlashRE = /\/?$/;
function createRoute (
record,
location,
redirectedFrom,
router
) {
const stringifyQuery = router && router.options.stringifyQuery;
let query = location.query || {};
try {
query = clone(query);
} catch (e) {}
const route = {
name: location.name || (record && record.name),
meta: (record && record.meta) || {},
path: location.path || '/',
hash: location.hash || '',
query,
params: location.params || {},
fullPath: getFullPath(location, stringifyQuery),
matched: record ? formatMatch(record) : []
};
if (redirectedFrom) {
route.redirectedFrom = getFullPath(redirectedFrom, stringifyQuery);
}
return Object.freeze(route)
}
function clone (value) {
if (Array.isArray(value)) {
return value.map(clone)
} else if (value && typeof value === 'object') {
const res = {};
for (const key in value) {
res[key] = clone(value[key]);
}
return res
} else {
return value
}
}
// the starting route that represents the initial state
const START = createRoute(null, {
path: '/'
});
function formatMatch (record) {
const res = [];
while (record) {
res.unshift(record);
record = record.parent;
}
return res
}
function getFullPath (
{ path, query = {}, hash = '' },
_stringifyQuery
) {
const 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 = {}) {
// handle null value #1566
if (!a || !b) return a === b
const aKeys = Object.keys(a);
const bKeys = Object.keys(b);
if (aKeys.length !== bKeys.length) {
return false
}
return aKeys.every(key => {
const aVal = a[key];
const bVal = b[key];
// query values can be null and undefined
if (aVal == null || bVal == null) return aVal === bVal
// 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 (const key in target) {
if (!(key in current)) {
return false
}
}
return true
}
/* */
function resolvePath (
relative,
base,
append
) {
const firstChar = relative.charAt(0);
if (firstChar === '/') {
return relative
}
if (firstChar === '?' || firstChar === '#') {
return base + relative
}
const 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
const segments = relative.replace(/^\//, '').split('/');
for (let i = 0; i < segments.length; i++) {
const 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) {
let hash = '';
let query = '';
const hashIndex = path.indexOf('#');
if (hashIndex >= 0) {
hash = path.slice(hashIndex);
path = path.slice(0, hashIndex);
}
const queryIndex = path.indexOf('?');
if (queryIndex >= 0) {
query = path.slice(queryIndex + 1);
path = path.slice(0, queryIndex);
}
return {
path,
query,
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), 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, options) {
// 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 + ')$', flags(options));
}
}
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 && 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
const regexpCompileCache = Object.create(null);
function fillParams (
path,
params,
routeMsg
) {
params = params || {};
try {
const filler =
regexpCompileCache[path] ||
(regexpCompileCache[path] = pathToRegexp_1.compile(path));
// Fix #2505 resolving asterisk routes { name: 'not-found', params: { pathMatch: '/not-found' }}
// and fix #3106 so that you can work with location descriptor object having params.pathMatch equal to empty string
if (typeof params.pathMatch === 'string') params[0] = params.pathMatch;
return filler(params, { pretty: true })
} catch (e) {
{
// Fix #3072 no warn if `pathMatch` is string
warn(typeof params.pathMatch === 'string', `missing param for ${routeMsg}: ${e.message}`);
}
return ''
} finally {
// delete the 0 if it was added
delete params[0];
}
}
/* */
function normalizeLocation (
raw,
current,
append,
router
) {
let next = typeof raw === 'string' ? { path: raw } : raw;
// named target
if (next._normalized) {
return next
} else if (next.name) {
next = extend({}, raw);
const params = next.params;
if (params && typeof params === 'object') {
next.params = extend({}, params);
}
return next
}
// relative params
if (!next.path && next.params && current) {
next = extend({}, next);
next._normalized = true;
const params = extend(extend({}, current.params), next.params);
if (current.name) {
next.name = current.name;
next.params = params;
} else if (current.matched.length) {
const rawPath = current.matched[current.matched.length - 1].path;
next.path = fillParams(rawPath, params, `path ${current.path}`);
} else {
warn(false, `relative params navigation requires a current route.`);
}
return next
}
const parsedPath = parsePath(next.path || '');
const basePath = (current && current.path) || '/';
const path = parsedPath.path
? resolvePath(parsedPath.path, basePath, append || next.append)
: basePath;
const query = resolveQuery(
parsedPath.query,
next.query,
router && router.options.parseQuery
);
let hash = next.hash || parsedPath.hash;
if (hash && hash.charAt(0) !== '#') {
hash = `#${hash}`;
}
return {
_normalized: true,
path,
query,
hash
}
}
/* */
// work around weird flow bug
const toTypes = [String, Object];
const eventTypes = [String, Array];
const noop = () => {};
var Link = {
name: 'RouterLink',
props: {
to: {
type: toTypes,
required: true
},
tag: {
type: String,
default: 'a'
},
exact: Boolean,
append: Boolean,
replace: Boolean,
activeClass: String,
exactActiveClass: String,
ariaCurrentValue: {
type: String,
default: 'page'
},
event: {
type: eventTypes,
default: 'click'
}
},
render (h) {
const router = this.$router;
const current = this.$route;
const { location, route, href } = router.resolve(
this.to,
current,
this.append
);
const classes = {};
const globalActiveClass = router.options.linkActiveClass;
const globalExactActiveClass = router.options.linkExactActiveClass;
// Support global empty active class
const activeClassFallback =
globalActiveClass == null ? 'router-link-active' : globalActiveClass;
const exactActiveClassFallback =
globalExactActiveClass == null
? 'router-link-exact-active'
: globalExactActiveClass;
const activeClass =
this.activeClass == null ? activeClassFallback : this.activeClass;
const exactActiveClass =
this.exactActiveClass == null
? exactActiveClassFallback
: this.exactActiveClass;
const compareTarget = route.redirectedFrom
? createRoute(null, normalizeLocation(route.redirectedFrom), null, router)
: route;
classes[exactActiveClass] = isSameRoute(current, compareTarget);
classes[activeClass] = this.exact
? classes[exactActiveClass]
: isIncludedRoute(current, compareTarget);
const ariaCurrentValue = classes[exactActiveClass] ? this.ariaCurrentValue : null;
const handler = e => {
if (guardEvent(e)) {
if (this.replace) {
router.replace(location, noop);
} else {
router.push(location, noop);
}
}
};
const on = { click: guardEvent };
if (Array.isArray(this.event)) {
this.event.forEach(e => {
on[e] = handler;
});
} else {
on[this.event] = handler;
}
const data = { class: classes };
const scopedSlot =
!this.$scopedSlots.$hasNormal &&
this.$scopedSlots.default &&
this.$scopedSlots.default({
href,
route,
navigate: handler,
isActive: classes[activeClass],
isExactActive: classes[exactActiveClass]
});
if (scopedSlot) {
if (scopedSlot.length === 1) {
return scopedSlot[0]
} else if (scopedSlot.length > 1 || !scopedSlot.length) {
{
warn(
false,
`RouterLink with to="${
this.to
}" is trying to use a scoped slot but it didn't provide exactly one child. Wrapping the content with a span element.`
);
}
return scopedSlot.length === 0 ? h() : h('span', {}, scopedSlot)
}
}
if (this.tag === 'a') {
data.on = on;
data.attrs = { href, 'aria-current': ariaCurrentValue };
} else {
// find the first <a> child and apply listener and href
const a = findAnchor(this.$slots.default);
if (a) {
// in case the <a> is a static node
a.isStatic = false;
const aData = (a.data = extend({}, a.data));
aData.on = aData.on || {};
// transform existing events in both objects into arrays so we can push later
for (const event in aData.on) {
const handler = aData.on[event];
if (event in on) {
aData.on[event] = Array.isArray(handler) ? handler : [handler];
}
}
// append new listeners for router-link
for (const event in on) {
if (event in aData.on) {
// on[event] is always a function
aData.on[event].push(on[event]);
} else {
aData.on[event] = handler;
}
}
const aAttrs = (a.data.attrs = extend({}, a.data.attrs));
aAttrs.href = href;
aAttrs['aria-current'] = ariaCurrentValue;
} else {
// doesn't have <a> child, apply listener to self
data.on = on;
}
}
return h(this.tag, data, this.$slots.default)
}
};
function guardEvent (e) {
// don't redirect with control keys
if (e.metaKey || e.altKey || e.ctrlKey || e.shiftKey) return
// don't redirect when preventDefault called
if (e.defaultPrevented) return
// don't redirect on right click
if (e.button !== undefined && e.button !== 0) return
// don't redirect if `target="_blank"`
if (e.currentTarget && e.currentTarget.getAttribute) {
const target = e.currentTarget.getAttribute('target');
if (/\b_blank\b/i.test(target)) return
}
// this may be a Weex event which doesn't have this method
if (e.preventDefault) {
e.preventDefault();
}
return true
}
function findAnchor (children) {
if (children) {
let child;
for (let i = 0; i < children.length; i++) {
child = children[i];
if (child.tag === 'a') {
return child
}
if (child.children && (child = findAnchor(child.children))) {
return child
}
}
}
}
let _Vue;
function install (Vue) {
if (install.installed && _Vue === Vue) return
install.installed = true;
_Vue = Vue;
const isDef = v => v !== undefined;
const registerInstance = (vm, callVal) => {
let i = vm.$options._parentVnode;
if (isDef(i) && isDef(i = i.data) && isDef(i = i.registerRouteInstance)) {
i(vm, callVal);
}
};
Vue.mixin({
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 () {
registerInstance(this);
}
});
Object.defineProperty(Vue.prototype, '$router', {
get () { return this._routerRoot._router }
});
Object.defineProperty(Vue.prototype, '$route', {
get () { return this._routerRoot._route }
});
Vue.component('RouterView', View);
Vue.component('RouterLink', Link);
const strats = Vue.config.optionMergeStrategies;
// use the same hook merging strategy for route hooks
strats.beforeRouteEnter = strats.beforeRouteLeave = strats.beforeRouteUpdate = strats.created;
}
/* */
const inBrowser = typeof window !== 'undefined';
/* */
function createRouteMap (
routes,
oldPathList,
oldPathMap,
oldNameMap
) {
// the path list is used to control path matching priority
const pathList = oldPathList || [];
// $flow-disable-line
const pathMap = oldPathMap || Object.create(null);
// $flow-disable-line
const nameMap = oldNameMap || Object.create(null);
routes.forEach(route => {
addRouteRecord(pathList, pathMap, nameMap, route);
});
// ensure wildcard routes are always at the end
for (let i = 0, l = pathList.length; i < l; i++) {
if (pathList[i] === '*') {
pathList.push(pathList.splice(i, 1)[0]);
l--;
i--;
}
}
{
// warn if routes do not include leading slashes
const found = pathList
// check for missing leading slash
.filter(path => path && path.charAt(0) !== '*' && path.charAt(0) !== '/');
if (found.length > 0) {
const pathNames = found.map(path => `- ${path}`).join('\n');
warn(false, `Non-nested routes must include a leading slash character. Fix the following routes: \n${pathNames}`);
}
}
return {
pathList,
pathMap,
nameMap
}
}
function addRouteRecord (
pathList,
pathMap,
nameMap,
route,
parent,
matchAs
) {
const { path, name } = route;
{
assert(path != null, `"path" is required in a route configuration.`);
assert(
typeof route.component !== 'string',
`route config "component" for path: ${String(
path || name
)} cannot be a ` + `string id. Use an actual component instead.`
);
}
const pathToRegexpOptions =
route.pathToRegexpOptions || {};
const normalizedPath = normalizePath(path, parent, pathToRegexpOptions.strict);
if (typeof route.caseSensitive === 'boolean') {
pathToRegexpOptions.sensitive = route.caseSensitive;
}
const record = {
path: normalizedPath,
regex: compileRouteRegex(normalizedPath, pathToRegexpOptions),
components: route.components || { default: route.component },
instances: {},
name,
parent,
matchAs,
redirect: route.redirect,
beforeEnter: route.beforeEnter,
meta: route.meta || {},
props:
route.props == null
? {}
: route.components
? route.props
: { default: route.props }
};
if (route.children) {
// Warn if route is named, does not redirect and has a default child route.
// If users navigate to this route by name, the default child will
// not be rendered (GH Issue #629)
{
if (
route.name &&
!route.redirect &&
route.children.some(child => /^\/?$/.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(child => {
const childMatchAs = matchAs
? cleanPath(`${matchAs}/${child.path}`)
: undefined;
addRouteRecord(pathList, pathMap, nameMap, child, record, childMatchAs);
});
}
if (!pathMap[record.path]) {
pathList.push(record.path);
pathMap[record.path] = record;
}
if (route.alias !== undefined) {
const aliases = Array.isArray(route.alias) ? route.alias : [route.alias];
for (let i = 0; i < aliases.length; ++i) {
const alias = aliases[i];
if ( alias === path) {
warn(
false,
`Found an alias with the same value as the path: "${path}". You have to remove that alias. It will be ignored in development.`
);
// skip in dev to make it work
continue
}
const aliasRoute = {
path: alias,
children: route.children
};
addRouteRecord(
pathList,
pathMap,
nameMap,
aliasRoute,
parent,
record.path || '/' // matchAs
);
}
}
if (name) {
if (!nameMap[name]) {
nameMap[name] = record;
} else if ( !matchAs) {
warn(
false,
`Duplicate named routes definition: ` +
`{ name: "${name}", path: "${record.path}" }`
);
}
}
}
function compileRouteRegex (
path,
pathToRegexpOptions
) {
const regex = pathToRegexp_1(path, [], pathToRegexpOptions);
{
const keys = Object.create(null);
regex.keys.forEach(key => {
warn(
!keys[key.name],
`Duplicate param keys in route with path: "${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}/${path}`)
}
/* */
function createMatcher (
routes,
router
) {
const { pathList, pathMap, nameMap } = createRouteMap(routes);
function addRoutes (routes) {
createRouteMap(routes, pathList, pathMap, nameMap);
}
function match (
raw,
currentRoute,
redirectedFrom
) {
const location = normalizeLocation(raw, currentRoute, false, router);
const { name } = location;
if (name) {
const record = nameMap[name];
{
warn(record, `Route with name '${name}' does not exist`);
}
if (!record) return _createRoute(null, location)
const paramNames = record.regex.keys
.filter(key => !key.optional)
.map(key => key.name);
if (typeof location.params !== 'object') {
location.params = {};
}
if (currentRoute && typeof currentRoute.params === 'object') {
for (const key in currentRoute.params) {
if (!(key in location.params) && paramNames.indexOf(key) > -1) {
location.params[key] = currentRoute.params[key];
}
}
}
location.path = fillParams(record.path, location.params, `named route "${name}"`);
return _createRoute(record, location, redirectedFrom)
} else if (location.path) {
location.params = {};
for (let i = 0; i < pathList.length; i++) {
const path = pathList[i];
const record = pathMap[path];
if (matchRoute(record.regex, location.path, location.params)) {
return _createRoute(record, location, redirectedFrom)
}
}
}
// no match
return _createRoute(null, location)
}
function redirect (
record,
location
) {
const originalRedirect = record.redirect;
let 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: ${JSON.stringify(redirect)}`
);
}
return _createRoute(null, location)
}
const re = redirect;
const { name, path } = re;
let { query, hash, params } = location;
query = re.hasOwnProperty('query') ? re.query : query;
hash = re.hasOwnProperty('hash') ? re.hash : hash;
params = re.hasOwnProperty('params') ? re.params : params;
if (name) {
// resolved named direct
const targetRecord = nameMap[name];
{
assert(targetRecord, `redirect failed: named route "${name}" not found.`);
}
return match({
_normalized: true,
name,
query,
hash,
params
}, undefined, location)
} else if (path) {
// 1. resolve relative redirect
const rawPath = resolveRecordPath(path, record);
// 2. resolve params
const resolvedPath = fillParams(rawPath, params, `redirect route with path "${rawPath}"`);
// 3. rematch with existing query and hash
return match({
_normalized: true,
path: resolvedPath,
query,
hash
}, undefined, location)
} else {
{
warn(false, `invalid redirect option: ${JSON.stringify(redirect)}`);
}
return _createRoute(null, location)
}
}
function alias (
record,
location,
matchAs
) {
const aliasedPath = fillParams(matchAs, location.params, `aliased route with path "${matchAs}"`);
const aliasedMatch = match({
_normalized: true,
path: aliasedPath
});
if (aliasedMatch) {
const matched = aliasedMatch.matched;
const 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,
addRoutes
}
}
function matchRoute (
regex,
path,
params
) {
const m = path.match(regex);
if (!m) {
return false
} else if (!params) {
return true
}
for (let i = 1, len = m.length; i < len; ++i) {
const key = regex.keys[i - 1];
const val = typeof m[i] === 'string' ? decodeURIComponent(m[i]) : m[i];
if (key) {
// Fix #1994: using * with props: true generates a param named 0
params[key.name || 'pathMatch'] = val;
}
}
return true
}
function resolveRecordPath (path, record) {
return resolvePath(path, record.parent ? record.parent.path : '/', true)
}
/* */
// use User Timing api (if present) for more accurate key precision
const Time =
inBrowser && window.performance && window.performance.now
? window.performance
: Date;
function genStateKey () {
return Time.now().toFixed(3)
}
let _key = genStateKey();
function getStateKey () {
return _key
}
function setStateKey (key) {
return (_key = key)
}
/* */
const positionStore = Object.create(null);
function setupScroll () {
// Prevent browser scroll behavior on History popstate
if ('scrollRestoration' in window.history) {
window.history.scrollRestoration = 'manual';
}
// Fix for #1585 for Firefox
// Fix for #2195 Add optional third attribute to workaround a bug in safari https://bugs.webkit.org/show_bug.cgi?id=182678
// Fix for #2774 Support for apps loaded from Windows file shares not mapped to network drives: replaced location.origin with
// window.location.protocol + '//' + window.location.host
// location.host contains the port and location.hostname doesn't
const protocolAndPath = window.location.protocol + '//' + window.location.host;
const absolutePath = window.location.href.replace(protocolAndPath, '');
// preserve existing history state as it could be overriden by the user
const stateCopy = extend({}, window.history.state);
stateCopy.key = getStateKey();
window.history.replaceState(stateCopy, '', absolutePath);
window.addEventListener('popstate', handlePopState);
return () => {
window.removeEventListener('popstate', handlePopState);
}
}
function handleScroll (
router,
to,
from,
isPop
) {
if (!router.app) {
return
}
const 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(() => {
const position = getScrollPosition();
const shouldScroll = behavior.call(
router,
to,
from,
isPop ? position : null
);
if (!shouldScroll) {
return
}
if (typeof shouldScroll.then === 'function') {
shouldScroll
.then(shouldScroll => {
scrollToPosition((shouldScroll), position);
})
.catch(err => {
{
assert(false, err.toString());
}
});
} else {
scrollToPosition(shouldScroll, position);
}
});
}
function saveScrollPosition () {
const key = getStateKey();
if (key) {
positionStore[key] = {
x: window.pageXOffset,
y: window.pageYOffset
};
}
}
function handlePopState (e) {
saveScrollPosition();
if (e.state && e.state.key) {
setStateKey(e.state.key);
}
}
function getScrollPosition () {
const key = getStateKey();
if (key) {
return positionStore[key]
}
}
function getElementPosition (el, offset) {
const docEl = document.documentElement;
const docRect = docEl.getBoundingClientRect();
const 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'
}
const hashStartsWithNumberRE = /^#\d/;
function scrollToPosition (shouldScroll, position) {
const isObject = typeof shouldScroll === 'object';
if (isObject && typeof shouldScroll.selector === 'string') {
// getElementById would still fail if the selector contains a more complicated query like #main[data-attr]
// but at the same time, it doesn't make much sense to select an element with an id and an extra selector
const el = hashStartsWithNumberRE.test(shouldScroll.selector) // $flow-disable-line
? document.getElementById(shouldScroll.selector.slice(1)) // $flow-disable-line
: document.querySelector(shouldScroll.selector);
if (el) {
let offset =
shouldScroll.offset && typeof shouldScroll.offset === 'object'
? shouldScroll.offset
: {};
offset = normalizeOffset(offset);
position = getElementPosition(el, offset);
} else if (isValidPosition(shouldScroll)) {
position = normalizePosition(shouldScroll);
}
} else if (isObject && isValidPosition(shouldScroll)) {
position = normalizePosition(shouldScroll);
}
if (position) {
window.scrollTo(position.x, position.y);
}
}
/* */
const supportsPushState =
inBrowser &&
(function () {
const ua = window.navigator.userAgent;
if (
(ua.indexOf('Android 2.') !== -1 || ua.indexOf('Android 4.0') !== -1) &&
ua.indexOf('Mobile Safari') !== -1 &&
ua.indexOf('Chrome') === -1 &&
ua.indexOf('Windows Phone') === -1
) {
return false
}
return window.history && typeof window.history.pushState === 'function'
})();
function pushState (url, replace) {
saveScrollPosition();
// try...catch the pushState call to get around Safari
// DOM Exception 18 where it limits to 100 pushState calls
const history = window.history;
try {
if (replace) {
// preserve existing history state as it could be overriden by the user
const stateCopy = extend({}, history.state);
stateCopy.key = getStateKey();
history.replaceState(stateCopy, '', url);
} else {
history.pushState({ key: setStateKey(genStateKey()) }, '', url);
}
} catch (e) {
window.location[replace ? 'replace' : 'assign'](url);
}
}
function replaceState (url) {
pushState(url, true);
}
/* */
function runQueue (queue, fn, cb) {
const step = index => {
if (index >= queue.length) {
cb();
} else {
if (queue[index]) {
fn(queue[index], () => {
step(index + 1);
});
} else {
step(index + 1);
}
}
};
step(0);
}
const NavigationFailureType = {
redirected: 2,
aborted: 4,
cancelled: 8,
duplicated: 16
};
function createNavigationRedirectedError (from, to) {
return createRouterError(
from,
to,
NavigationFailureType.redirected,
`Redirected when going from "${from.fullPath}" to "${stringifyRoute(
to
)}" via a navigation guard.`
)
}
function createNavigationDuplicatedError (from, to) {
const error = createRouterError(
from,
to,
NavigationFailureType.duplicated,
`Avoided redundant navigation to current location: "${from.fullPath}".`
);
// backwards compatible with the first introduction of Errors
error.name = 'NavigationDuplicated';
return error
}
function createNavigationCancelledError (from, to) {
return createRouterError(
from,
to,
NavigationFailureType.cancelled,
`Navigation cancelled from "${from.fullPath}" to "${
to.fullPath
}" with a new navigation.`
)
}
function createNavigationAbortedError (from, to) {
return createRouterError(
from,
to,
NavigationFailureType.aborted,
`Navigation aborted from "${from.fullPath}" to "${
to.fullPath
}" via a navigation guard.`
)
}
function createRouterError (from, to, type, message) {
const error = new Error(message);
error._isRouter = true;
error.from = from;
error.to = to;
error.type = type;
return error
}
const propertiesToLog = ['params', 'query', 'hash'];
function stringifyRoute (to) {
if (typeof to === 'string') return to
if ('path' in to) return to.path
const location = {};
propertiesToLog.forEach(key => {
if (key in to) location[key] = to[key];
});
return JSON.stringify(location, null, 2)
}
function isError (err) {
return Object.prototype.toString.call(err).indexOf('Error') > -1
}
function isNavigationFailure (err, errorType) {
return (
isError(err) &&
err._isRouter &&
(errorType == null || err.type === errorType)
)
}
/* */
function resolveAsyncComponents (matched) {
return (to, from, next) => {
let hasAsync = false;
let pending = 0;
let error = null;
flatMapComponents(matched, (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++;
const resolve = once(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();
}
});
const reject = once(reason => {
const msg = `Failed to resolve async component ${key}: ${reason}`;
warn(false, msg);
if (!error) {
error = isError(reason)
? reason
: new Error(msg);
next(error);
}
});
let 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
const comp = res.component;
if (comp && typeof comp.then === 'function') {
comp.then(resolve, reject);
}
}
}
}
});
if (!hasAsync) next();
}
}
function flatMapComponents (
matched,
fn
) {
return flatten(matched.map(m => {
return Object.keys(m.components).map(key => fn(
m.components[key],
m.instances[key],
m, key
))
}))
}
function flatten (arr) {
return Array.prototype.concat.apply([], arr)
}
const 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) {
let called = false;
return function (...args) {
if (called) return
called = true;
return fn.apply(this, args)
}
}
/* */
class History {
// implemented by sub-classes
constructor (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 = [];
this.listeners = [];
}
listen (cb) {
this.cb = cb;
}
onReady (cb, errorCb) {
if (this.ready) {
cb();
} else {
this.readyCbs.push(cb);
if (errorCb) {
this.readyErrorCbs.push(errorCb);
}
}
}
onError (errorCb) {
this.errorCbs.push(errorCb);
}
transitionTo (
location,
onComplete,
onAbort
) {
let route;
// catch redirect option https://github.com/vuejs/vue-router/issues/3201
try {
route = this.router.match(location, this.current);
} catch (e) {
this.errorCbs.forEach(cb => {
cb(e);
});
// Exception should still be thrown
throw e
}
this.confirmTransition(
route,
() => {
const prev = this.current;
this.updateRoute(route);
onComplete && onComplete(route);
this.ensureURL();
this.router.afterHooks.forEach(hook => {
hook && hook(route, prev);
});
// fire ready cbs once
if (!this.ready) {
this.ready = true;
this.readyCbs.forEach(cb => {
cb(route);
});
}
},
err => {
if (onAbort) {
onAbort(err);
}
if (err && !this.ready) {
this.ready = true;
// Initial redirection should still trigger the onReady onSuccess
// https://github.com/vuejs/vue-router/issues/3225
if (!isNavigationFailure(err, NavigationFailureType.redirected)) {
this.readyErrorCbs.forEach(cb => {
cb(err);
});
} else {
this.readyCbs.forEach(cb => {
cb(route);
});
}
}
}
);
}
confirmTransition (route, onComplete, onAbort) {
const current = this.current;
const abort = err => {
// changed after adding errors with
// https://github.com/vuejs/vue-router/pull/3047 before that change,
// redirect and aborted navigation would produce an err == null
if (!isNavigationFailure(err) && isError(err)) {
if (this.errorCbs.length) {
this.errorCbs.forEach(cb => {
cb(err);
});
} else {
warn(false, 'uncaught error during route navigation:');
console.error(err);
}
}
onAbort && onAbort(err);
};
const lastRouteIndex = route.matched.length - 1;
const lastCurrentIndex = current.matched.length - 1;
if (
isSameRoute(route, current) &&
// in the case the route map has been dynamically appended to
lastRouteIndex === lastCurrentIndex &&
route.matched[lastRouteIndex] === current.matched[lastCurrentIndex]
) {
this.ensureURL();
return abort(createNavigationDuplicatedError(current, route))
}
const { updated, deactivated, activated } = resolveQueue(
this.current.matched,
route.matched
);
const 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(m => m.beforeEnter),
// async components
resolveAsyncComponents(activated)
);
this.pending = route;
const iterator = (hook, next) => {
if (this.pending !== route) {
return abort(createNavigationCancelledError(current, route))
}
try {
hook(route, current, (to) => {
if (to === false) {
// next(false) -> abort navigation, ensure current URL
this.ensureURL(true);
abort(createNavigationAbortedError(current, route));
} else if (isError(to)) {
this.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(createNavigationRedirectedError(current, route));
if (typeof to === 'object' && to.replace) {
this.replace(to);
} else {
this.push(to);
}
} else {
// confirm transition and pass on the value
next(to);
}
});
} catch (e) {
abort(e);
}
};
runQueue(queue, iterator, () => {
const postEnterCbs = [];
const isValid = () => this.current === route;
// wait until async components are resolved before
// extracting in-component enter guards
const enterGuards = extractEnterGuards(activated, postEnterCbs, isValid);
const queue = enterGuards.concat(this.router.resolveHooks);
runQueue(queue, iterator, () => {
if (this.pending !== route) {
return abort(createNavigationCancelledError(current, route))
}
this.pending = null;
onComplete(route);
if (this.router.app) {
this.router.app.$nextTick(() => {
postEnterCbs.forEach(cb => {
cb();
});
});
}
});
});
}
updateRoute (route) {
this.current = route;
this.cb && this.cb(route);
}
setupListeners () {
// Default implementation is empty
}
teardownListeners () {
this.listeners.forEach(cleanupListener => {
cleanupListener();
});
this.listeners = [];
}
}
function normalizeBase (base) {
if (!base) {
if (inBrowser) {
// respect <base> tag
const 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
) {
let i;
const 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
) {
const guards = flatMapComponents(records, (def, instance, match, key) => {
const guard = extractGuard(def, name);
if (guard) {
return Array.isArray(guard)
? guard.map(guard => 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',
(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, cb => {
if (typeof cb === 'function') {
cbs.push(() => {
// #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);
});
}
next(cb);
})
}
}
function poll (
cb, // somehow flow cannot infer this is a function
instances,
key,
isValid
) {
if (
instances[key] &&
!instances[key]._isBeingDestroyed // do not reuse being destroyed instance
) {
cb(instances[key]);
} else if (isValid()) {
setTimeout(() => {
poll(cb, instances, key, isValid);
}, 16);
}
}
/* */
class HTML5History extends History {
constructor (router, base) {
super(router, base);
this._startLocation = getLocation(this.base);
}
setupListeners () {
if (this.listeners.length > 0) {
return
}
const router = this.router;
const expectScroll = router.options.scrollBehavior;
const supportsScroll = supportsPushState && expectScroll;
if (supportsScroll) {
this.listeners.push(setupScroll());
}
const handleRoutingEvent = () => {
const current = this.current;
// Avoiding first `popstate` event dispatched in some browsers but first
// history route not updated since async guard at the same time.
const location = getLocation(this.base);
if (this.current === START && location === this._startLocation) {
return
}
this.transitionTo(location, route => {
if (supportsScroll) {
handleScroll(router, route, current, true);
}
});
};
window.addEventListener('popstate', handleRoutingEvent);
this.listeners.push(() => {
window.removeEventListener('popstate', handleRoutingEvent);
});
}
go (n) {
window.history.go(n);
}
push (location, onComplete, onAbort) {
const { current: fromRoute } = this;
this.transitionTo(location, route => {
pushState(cleanPath(this.base + route.fullPath));
handleScroll(this.router, route, fromRoute, false);
onComplete && onComplete(route);
}, onAbort);
}
replace (location, onComplete, onAbort) {
const { current: fromRoute } = this;
this.transitionTo(location, route => {
replaceState(cleanPath(this.base + route.fullPath));
handleScroll(this.router, route, fromRoute, false);
onComplete && onComplete(route);
}, onAbort);
}
ensureURL (push) {
if (getLocation(this.base) !== this.current.fullPath) {
const current = cleanPath(this.base + this.current.fullPath);
push ? pushState(current) : replaceState(current);
}
}
getCurrentLocation () {
return getLocation(this.base)
}
}
function getLocation (base) {
let path = decodeURI(window.location.pathname);
if (base && path.toLowerCase().indexOf(base.toLowerCase()) === 0) {
path = path.slice(base.length);
}
return (path || '/') + window.location.search + window.location.hash
}
/* */
class HashHistory extends History {
constructor (router, base, fallback) {
super(router, base);
// check history fallback deeplinking
if (fallback && checkFallback(this.base)) {
return
}
ensureSlash();
}
// this is delayed until the app mounts
// to avoid the hashchange listener being fired too early
setupListeners () {
if (this.listeners.length > 0) {
return
}
const router = this.router;
const expectScroll = router.options.scrollBehavior;
const supportsScroll = supportsPushState && expectScroll;
if (supportsScroll) {
this.listeners.push(setupScroll());
}
const handleRoutingEvent = () => {
const current = this.current;
if (!ensureSlash()) {
return
}
this.transitionTo(getHash(), route => {
if (supportsScroll) {
handleScroll(this.router, route, current, true);
}
if (!supportsPushState) {
replaceHash(route.fullPath);
}
});
};
const eventType = supportsPushState ? 'popstate' : 'hashchange';
window.addEventListener(
eventType,
handleRoutingEvent
);
this.listeners.push(() => {
window.removeEventListener(eventType, handleRoutingEvent);
});
}
push (location, onComplete, onAbort) {
const { current: fromRoute } = this;
this.transitionTo(
location,
route => {
pushHash(route.fullPath);
handleScroll(this.router, route, fromRoute, false);
onComplete && onComplete(route);
},
onAbort
);
}
replace (location, onComplete, onAbort) {
const { current: fromRoute } = this;
this.transitionTo(
location,
route => {
replaceHash(route.fullPath);
handleScroll(this.router, route, fromRoute, false);
onComplete && onComplete(route);
},
onAbort
);
}
go (n) {
window.history.go(n);
}
ensureURL (push) {
const current = this.current.fullPath;
if (getHash() !== current) {
push ? pushHash(current) : replaceHash(current);
}
}
getCurrentLocation () {
return getHash()
}
}
function checkFallback (base) {
const location = getLocation(base);
if (!/^\/#/.test(location)) {
window.location.replace(cleanPath(base + '/#' + location));
return true
}
}
function ensureSlash () {
const 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!
let href = window.location.href;
const index = href.indexOf('#');
// empty path
if (index < 0) return ''
href = href.slice(index + 1);
// decode the hash but not the search or hash
// as search(query) is already decoded
// https://github.com/vuejs/vue-router/issues/2708
const searchIndex = href.indexOf('?');
if (searchIndex < 0) {
const hashIndex = href.indexOf('#');
if (hashIndex > -1) {
href = decodeURI(href.slice(0, hashIndex)) + href.slice(hashIndex);
} else href = decodeURI(href);
} else {
href = decodeURI(href.slice(0, searchIndex)) + href.slice(searchIndex);
}
return href
}
function getUrl (path) {
const href = window.location.href;
const i = href.indexOf('#');
const 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));
}
}
/* */
class AbstractHistory extends History {
constructor (router, base) {
super(router, base);
this.stack = [];
this.index = -1;
}
push (location, onComplete, onAbort) {
this.transitionTo(
location,
route => {
this.stack = this.stack.slice(0, this.index + 1).concat(route);
this.index++;
onComplete && onComplete(route);
},
onAbort
);
}
replace (location, onComplete, onAbort) {
this.transitionTo(
location,
route => {
this.stack = this.stack.slice(0, this.index).concat(route);
onComplete && onComplete(route);
},
onAbort
);
}
go (n) {
const targetIndex = this.index + n;
if (targetIndex < 0 || targetIndex >= this.stack.length) {
return
}
const route = this.stack[targetIndex];
this.confirmTransition(
route,
() => {
this.index = targetIndex;
this.updateRoute(route);
},
err => {
if (isNavigationFailure(err, NavigationFailureType.duplicated)) {
this.index = targetIndex;
}
}
);
}
getCurrentLocation () {
const current = this.stack[this.stack.length - 1];
return current ? current.fullPath : '/'
}
ensureURL () {
// noop
}
}
/* */
class VueRouter {
constructor (options = {}) {
this.app = null;
this.apps = [];
this.options = options;
this.beforeHooks = [];
this.resolveHooks = [];
this.afterHooks = [];
this.matcher = createMatcher(options.routes || [], this);
let 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: ${mode}`);
}
}
}
match (raw, current, redirectedFrom) {
return this.matcher.match(raw, current, redirectedFrom)
}
get currentRoute () {
return this.history && this.history.current
}
init (app /* Vue component instance */) {
assert(
install.installed,
`not installed. Make sure to call \`Vue.use(VueRouter)\` ` +
`before creating root instance.`
);
this.apps.push(app);
// set up app destroyed handler
// https://github.com/vuejs/vue-router/issues/2639
app.$once('hook:destroyed', () => {
// clean out app from this.apps array once destroyed
const index = this.apps.indexOf(app);
if (index > -1) this.apps.splice(index, 1);
// ensure we still have a main app or null if no apps
// we do not release the router so it can be reused
if (this.app === app) this.app = this.apps[0] || null;
if (!this.app) {
// clean up event listeners
// https://github.com/vuejs/vue-router/issues/2341
this.history.teardownListeners();
}
});
// main app previously initialized
// return as we don't need to set up new history listener
if (this.app) {
return
}
this.app = app;
const history = this.history;
if (history instanceof HTML5History || history instanceof HashHistory) {
const handleInitialScroll = routeOrError => {
const from = history.current;
const expectScroll = this.options.scrollBehavior;
const supportsScroll = supportsPushState && expectScroll;
if (supportsScroll && 'fullPath' in routeOrError) {
handleScroll(this, routeOrError, from, false);
}
};
const setupListeners = routeOrError => {
history.setupListeners();
handleInitialScroll(routeOrError);
};
history.transitionTo(
history.getCurrentLocation(),
setupListeners,
setupListeners
);
}
history.listen(route => {
this.apps.forEach(app => {
app._route = route;
});
});
}
beforeEach (fn) {
return registerHook(this.beforeHooks, fn)
}
beforeResolve (fn) {
return registerHook(this.resolveHooks, fn)
}
afterEach (fn) {
return registerHook(this.afterHooks, fn)
}
onReady (cb, errorCb) {
this.history.onReady(cb, errorCb);
}
onError (errorCb) {
this.history.onError(errorCb);
}
push (location, onComplete, onAbort) {
// $flow-disable-line
if (!onComplete && !onAbort && typeof Promise !== 'undefined') {
return new Promise((resolve, reject) => {
this.history.push(location, resolve, reject);
})
} else {
this.history.push(location, onComplete, onAbort);
}
}
replace (location, onComplete, onAbort) {
// $flow-disable-line
if (!onComplete && !onAbort && typeof Promise !== 'undefined') {
return new Promise((resolve, reject) => {
this.history.replace(location, resolve, reject);
})
} else {
this.history.replace(location, onComplete, onAbort);
}
}
go (n) {
this.history.go(n);
}
back () {
this.go(-1);
}
forward () {
this.go(1);
}
getMatchedComponents (to) {
const route = to
? to.matched
? to
: this.resolve(to).route
: this.currentRoute;
if (!route) {
return []
}
return [].concat.apply(
[],
route.matched.map(m => {
return Object.keys(m.components).map(key => {
return m.components[key]
})
})
)
}
resolve (
to,
current,
append
) {
current = current || this.history.current;
const location = normalizeLocation(to, current, append, this);
const route = this.match(location, current);
const fullPath = route.redirectedFrom || route.fullPath;
const base = this.history.base;
const href = createHref(base, fullPath, this.mode);
return {
location,
route,
href,
// for backwards compat
normalizedTo: location,
resolved: route
}
}
addRoutes (routes) {
this.matcher.addRoutes(routes);
if (this.history.current !== START) {
this.history.transitionTo(this.history.getCurrentLocation());
}
}
}
function registerHook (list, fn) {
list.push(fn);
return () => {
const 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 = '3.4.3';
VueRouter.isNavigationFailure = isNavigationFailure;
VueRouter.NavigationFailureType = NavigationFailureType;
if (inBrowser && window.Vue) {
window.Vue.use(VueRouter);
}
export default VueRouter;