mirror of
https://github.com/nuxt/nuxt.git
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563 lines
15 KiB
JavaScript
563 lines
15 KiB
JavaScript
import Vue from 'vue'
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const noopData = () => ({})
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// window.{{globals.loadedCallback}} hook
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// Useful for jsdom testing or plugins (https://github.com/tmpvar/jsdom#dealing-with-asynchronous-script-loading)
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if (process.client || process.browser) {
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<% if (isDev) { %>
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if (process.browser) {
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console.warn('process.browser is deprecated, use process.client instead.')
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}
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<% } %>
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window.<%= globals.readyCallback %>Cbs = []
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window.<%= globals.readyCallback %> = (cb) => {
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window.<%= globals.readyCallback %>Cbs.push(cb)
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}
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}
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export function empty() {}
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export function globalHandleError(error) {
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if (Vue.config.errorHandler) {
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Vue.config.errorHandler(error)
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}
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}
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export function interopDefault(promise) {
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return promise.then(m => m.default || m)
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}
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export function applyAsyncData(Component, asyncData) {
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const ComponentData = Component.options.data || noopData
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// Prevent calling this method for each request on SSR context
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if (!asyncData && Component.options.hasAsyncData) {
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return
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}
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Component.options.hasAsyncData = true
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Component.options.data = function () {
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const data = ComponentData.call(this)
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if (this.$ssrContext) {
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asyncData = this.$ssrContext.asyncData[Component.cid]
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}
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return { ...data, ...asyncData }
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}
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if (Component._Ctor && Component._Ctor.options) {
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Component._Ctor.options.data = Component.options.data
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}
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}
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export function sanitizeComponent(Component) {
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// If Component already sanitized
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if (Component.options && Component._Ctor === Component) {
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return Component
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}
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if (!Component.options) {
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Component = Vue.extend(Component) // fix issue #6
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Component._Ctor = Component
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} else {
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Component._Ctor = Component
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Component.extendOptions = Component.options
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}
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// For debugging purpose
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if (!Component.options.name && Component.options.__file) {
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Component.options.name = Component.options.__file
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}
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return Component
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}
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export function getMatchedComponents(route, matches = false) {
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return Array.prototype.concat.apply([], route.matched.map((m, index) => {
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return Object.keys(m.components).map((key) => {
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matches && matches.push(index)
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return m.components[key]
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})
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}))
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}
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export function getMatchedComponentsInstances(route, matches = false) {
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return Array.prototype.concat.apply([], route.matched.map((m, index) => {
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return Object.keys(m.instances).map((key) => {
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matches && matches.push(index)
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return m.instances[key]
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})
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}))
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}
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export function flatMapComponents(route, fn) {
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return Array.prototype.concat.apply([], route.matched.map((m, index) => {
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return Object.keys(m.components).reduce((promises, key) => {
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if (m.components[key]) {
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promises.push(fn(m.components[key], m.instances[key], m, key, index))
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} else {
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delete m.components[key]
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}
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return promises
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}, [])
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}))
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}
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export function resolveRouteComponents(route) {
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return Promise.all(
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flatMapComponents(route, async (Component, _, match, key) => {
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// If component is a function, resolve it
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if (typeof Component === 'function' && !Component.options) {
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Component = await Component()
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}
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match.components[key] = sanitizeComponent(Component)
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return match.components[key]
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})
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)
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}
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export async function getRouteData(route) {
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// Make sure the components are resolved (code-splitting)
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await resolveRouteComponents(route)
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// Send back a copy of route with meta based on Component definition
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return {
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...route,
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meta: getMatchedComponents(route).map((Component) => {
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return Component.options.meta || {}
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})
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}
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}
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export async function setContext(app, context) {
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// If context not defined, create it
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if (!app.context) {
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app.context = {
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isStatic: process.static,
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isDev: <%= isDev %>,
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isHMR: false,
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app,
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<%= (store ? 'store: app.store,' : '') %>
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payload: context.payload,
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error: context.error,
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base: '<%= router.base %>',
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env: <%= JSON.stringify(env) %><%= isTest ? '// eslint-disable-line' : '' %>
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}
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// Only set once
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if (context.req) app.context.req = context.req
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if (context.res) app.context.res = context.res
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app.context.redirect = (status, path, query) => {
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if (!status) {
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return
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}
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app.context._redirected = true
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// if only 1 or 2 arguments: redirect('/') or redirect('/', { foo: 'bar' })
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let pathType = typeof path
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if (typeof status !== 'number' && (pathType === 'undefined' || pathType === 'object')) {
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query = path || {}
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path = status
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pathType = typeof path
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status = 302
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}
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if (pathType === 'object') {
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path = app.router.resolve(path).href
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}
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// "/absolute/route", "./relative/route" or "../relative/route"
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if (/(^[.]{1,2}\/)|(^\/(?!\/))/.test(path)) {
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app.context.next({
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path: path,
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query: query,
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status: status
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})
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} else {
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path = formatUrl(path, query)
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if (process.server) {
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app.context.next({
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path: path,
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status: status
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})
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}
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if (process.client || process.browser) {
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<% if (isDev) { %>
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if (process.browser) {
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console.warn('process.browser is deprecated, use process.client instead.')
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}
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<% } %>
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// https://developer.mozilla.org/en-US/docs/Web/API/Location/replace
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window.location.replace(path)
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// Throw a redirect error
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throw new Error('ERR_REDIRECT')
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}
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}
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}
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if (process.server) {
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app.context.beforeNuxtRender = fn => context.beforeRenderFns.push(fn)
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}
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if (process.client || process.browser) {
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<% if (isDev) { %>
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if (process.browser) {
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console.warn('process.browser is deprecated, use process.client instead.')
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}
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<% } %>
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app.context.nuxtState = window.<%= globals.context %>
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}
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}
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// Dynamic keys
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app.context.next = context.next
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app.context._redirected = false
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app.context._errored = false
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app.context.isHMR = !!context.isHMR
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if (context.route) {
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app.context.route = await getRouteData(context.route)
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}
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app.context.params = app.context.route.params || {}
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app.context.query = app.context.route.query || {}
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if (context.from) {
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app.context.from = await getRouteData(context.from)
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}
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}
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export function middlewareSeries(promises, appContext) {
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if (!promises.length || appContext._redirected || appContext._errored) {
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return Promise.resolve()
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}
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return promisify(promises[0], appContext)
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.then(() => {
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return middlewareSeries(promises.slice(1), appContext)
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})
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}
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export function promisify(fn, context) {
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let promise
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if (fn.length === 2) {
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// fn(context, callback)
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promise = new Promise((resolve) => {
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fn(context, function (err, data) {
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if (err) {
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context.error(err)
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}
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data = data || {}
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resolve(data)
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})
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})
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} else {
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promise = fn(context)
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}
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if (!promise || (!(promise instanceof Promise) && (typeof promise.then !== 'function'))) {
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promise = Promise.resolve(promise)
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}
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return promise
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}
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// Imported from vue-router
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export function getLocation(base, mode) {
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let path = window.location.pathname
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if (mode === 'hash') {
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return window.location.hash.replace(/^#\//, '')
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}
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if (base && path.indexOf(base) === 0) {
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path = path.slice(base.length)
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}
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return (path || '/') + window.location.search + window.location.hash
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}
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export function urlJoin() {
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return Array.prototype.slice.call(arguments).join('/').replace(/\/+/g, '/')
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}
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// Imported from path-to-regexp
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/**
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* Compile a string to a template function for the path.
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*
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* @param {string} str
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* @param {Object=} options
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* @return {!function(Object=, Object=)}
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*/
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export function compile(str, options) {
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return tokensToFunction(parse(str, options))
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}
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export function getQueryDiff(toQuery, fromQuery) {
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const diff = {}
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const queries = { ...toQuery, ...fromQuery }
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for (const k in queries) {
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if (String(toQuery[k]) !== String(fromQuery[k])) {
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diff[k] = true
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}
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}
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return diff
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}
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/**
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* The main path matching regexp utility.
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*
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* @type {RegExp}
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*/
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const PATH_REGEXP = new RegExp([
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// Match escaped characters that would otherwise appear in future matches.
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// This allows the user to escape special characters that won't transform.
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'(\\\\.)',
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// Match Express-style parameters and un-named parameters with a prefix
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// and optional suffixes. Matches appear as:
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//
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// "/:test(\\d+)?" => ["/", "test", "\d+", undefined, "?", undefined]
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// "/route(\\d+)" => [undefined, undefined, undefined, "\d+", undefined, undefined]
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// "/*" => ["/", undefined, undefined, undefined, undefined, "*"]
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'([\\/.])?(?:(?:\\:(\\w+)(?:\\(((?:\\\\.|[^\\\\()])+)\\))?|\\(((?:\\\\.|[^\\\\()])+)\\))([+*?])?|(\\*))'
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].join('|'), 'g')
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/**
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* Parse a string for the raw tokens.
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*
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* @param {string} str
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* @param {Object=} options
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* @return {!Array}
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*/
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function parse(str, options) {
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const tokens = []
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let key = 0
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let index = 0
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let path = ''
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const defaultDelimiter = (options && options.delimiter) || '/'
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let res
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while ((res = PATH_REGEXP.exec(str)) != null) {
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const m = res[0]
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const escaped = res[1]
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const offset = res.index
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path += str.slice(index, offset)
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index = offset + m.length
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// Ignore already escaped sequences.
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if (escaped) {
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path += escaped[1]
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continue
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}
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const next = str[index]
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const prefix = res[2]
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const name = res[3]
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const capture = res[4]
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const group = res[5]
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const modifier = res[6]
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const asterisk = res[7]
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// Push the current path onto the tokens.
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if (path) {
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tokens.push(path)
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path = ''
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}
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const partial = prefix != null && next != null && next !== prefix
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const repeat = modifier === '+' || modifier === '*'
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const optional = modifier === '?' || modifier === '*'
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const delimiter = res[2] || defaultDelimiter
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const pattern = capture || group
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tokens.push({
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name: name || key++,
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prefix: prefix || '',
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delimiter: delimiter,
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optional: optional,
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repeat: repeat,
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partial: partial,
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asterisk: !!asterisk,
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pattern: pattern ? escapeGroup(pattern) : (asterisk ? '.*' : '[^' + escapeString(delimiter) + ']+?')
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})
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}
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// Match any characters still remaining.
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if (index < str.length) {
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path += str.substr(index)
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}
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// If the path exists, push it onto the end.
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if (path) {
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tokens.push(path)
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}
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return tokens
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}
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/**
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* Prettier encoding of URI path segments.
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*
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* @param {string}
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* @return {string}
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*/
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function encodeURIComponentPretty(str) {
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return encodeURI(str).replace(/[/?#]/g, (c) => {
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return '%' + c.charCodeAt(0).toString(16).toUpperCase()
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})
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}
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/**
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* Encode the asterisk parameter. Similar to `pretty`, but allows slashes.
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*
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* @param {string}
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* @return {string}
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*/
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function encodeAsterisk(str) {
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return encodeURI(str).replace(/[?#]/g, (c) => {
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return '%' + c.charCodeAt(0).toString(16).toUpperCase()
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})
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}
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/**
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* Expose a method for transforming tokens into the path function.
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*/
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function tokensToFunction(tokens) {
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// Compile all the tokens into regexps.
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const matches = new Array(tokens.length)
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// Compile all the patterns before compilation.
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for (let i = 0; i < tokens.length; i++) {
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if (typeof tokens[i] === 'object') {
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matches[i] = new RegExp('^(?:' + tokens[i].pattern + ')$')
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}
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}
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return function (obj, opts) {
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let path = ''
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const data = obj || {}
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const options = opts || {}
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const encode = options.pretty ? encodeURIComponentPretty : encodeURIComponent
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for (let i = 0; i < tokens.length; i++) {
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const token = tokens[i]
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if (typeof token === 'string') {
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path += token
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continue
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}
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const value = data[token.name]
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let segment
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if (value == null) {
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if (token.optional) {
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// Prepend partial segment prefixes.
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if (token.partial) {
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path += token.prefix
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}
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continue
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} else {
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throw new TypeError('Expected "' + token.name + '" to be defined')
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}
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}
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if (Array.isArray(value)) {
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if (!token.repeat) {
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throw new TypeError('Expected "' + token.name + '" to not repeat, but received `' + JSON.stringify(value) + '`')
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}
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if (value.length === 0) {
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if (token.optional) {
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continue
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} else {
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throw new TypeError('Expected "' + token.name + '" to not be empty')
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}
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}
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for (let j = 0; j < value.length; j++) {
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segment = encode(value[j])
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if (!matches[i].test(segment)) {
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throw new TypeError('Expected all "' + token.name + '" to match "' + token.pattern + '", but received `' + JSON.stringify(segment) + '`')
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}
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path += (j === 0 ? token.prefix : token.delimiter) + segment
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}
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continue
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}
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segment = token.asterisk ? encodeAsterisk(value) : encode(value)
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if (!matches[i].test(segment)) {
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throw new TypeError('Expected "' + token.name + '" to match "' + token.pattern + '", but received "' + segment + '"')
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}
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path += token.prefix + segment
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}
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return path
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}
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}
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/**
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* Escape a regular expression string.
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*
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* @param {string} str
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* @return {string}
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*/
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function escapeString(str) {
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return str.replace(/([.+*?=^!:${}()[\]|/\\])/g, '\\$1')
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}
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/**
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* Escape the capturing group by escaping special characters and meaning.
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*
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* @param {string} group
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* @return {string}
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*/
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function escapeGroup(group) {
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return group.replace(/([=!:$/()])/g, '\\$1')
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}
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/**
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* Format given url, append query to url query string
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*
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* @param {string} url
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* @param {string} query
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* @return {string}
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*/
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function formatUrl(url, query) {
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let protocol
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const index = url.indexOf('://')
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if (index !== -1) {
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protocol = url.substring(0, index)
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url = url.substring(index + 3)
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} else if (url.startsWith('//')) {
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url = url.substring(2)
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}
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let parts = url.split('/')
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let result = (protocol ? protocol + '://' : '//') + parts.shift()
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let path = parts.filter(Boolean).join('/')
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let hash
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parts = path.split('#')
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if (parts.length === 2) {
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path = parts[0]
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hash = parts[1]
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}
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result += path ? '/' + path : ''
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if (query && JSON.stringify(query) !== '{}') {
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result += (url.split('?').length === 2 ? '&' : '?') + formatQuery(query)
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}
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result += hash ? '#' + hash : ''
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return result
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}
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/**
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* Transform data object to query string
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*
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* @param {object} query
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* @return {string}
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*/
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function formatQuery(query) {
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return Object.keys(query).sort().map((key) => {
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const val = query[key]
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if (val == null) {
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return ''
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}
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if (Array.isArray(val)) {
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return val.slice().map(val2 => [key, '=', val2].join('')).join('&')
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}
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return key + '=' + val
|
|
}).filter(Boolean).join('&')
|
|
}
|