Nuxt/lib/generate.js

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'use strict'
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const debug = require('debug')('nuxt:generate')
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const fs = require('fs-extra')
const co = require('co')
const pify = require('pify')
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const pathToRegexp = require('path-to-regexp')
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const _ = require('lodash')
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const { resolve, join, dirname, sep } = require('path')
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const { promisifyRouteParams } = require('./utils')
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const { minify } = require('html-minifier')
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const copy = pify(fs.copy)
const remove = pify(fs.remove)
const writeFile = pify(fs.writeFile)
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const mkdirp = pify(fs.mkdirp)
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const defaults = {
dir: 'dist',
routeParams: {}
}
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module.exports = function () {
const s = Date.now()
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/*
** Update loaders config to add router.base path
*/
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// this.options.build.loaders.forEach((config) => {
// if (['file', 'url', 'file-loader', 'url-loader'].includes(config.loader)) {
// config.query = config.query || {}
// config.query.publicPath = urlJoin(this.options.router.base, '/_nuxt/')
// }
// })
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/*
** Set variables
*/
this.options.generate = _.defaultsDeep(this.options.generate, defaults)
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var self = this
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var srcStaticPath = resolve(this.srcDir, 'static')
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var srcBuiltPath = resolve(this.dir, '.nuxt', 'dist')
var distPath = resolve(this.dir, this.options.generate.dir)
var distNuxtPath = resolve(distPath, '_nuxt')
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return co(function * () {
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/*
** Launch build process
*/
yield self.build()
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/*
** Clean destination folder
*/
try {
yield remove(distPath)
debug('Destination folder cleaned')
} catch (e) {}
/*
** Copy static and built files
*/
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if (fs.existsSync(srcStaticPath)) {
yield copy(srcStaticPath, distPath)
}
yield copy(srcBuiltPath, distNuxtPath)
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debug('Static & build files copied')
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})
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.then(() => {
// Resolve config.generate.routesParams promises before generating the routes
return resolveRouteParams(this.options.generate.routeParams)
})
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.then(() => {
/*
** Generate html files from routes
*/
let routes = []
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this.routes.forEach((route) => {
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if (route.includes(':') || route.includes('*')) {
const routeParams = this.options.generate.routeParams[route]
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if (!routeParams) {
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console.error(`Could not generate the dynamic route ${route}, please add the mapping params in nuxt.config.js (generate.routeParams).`) // eslint-disable-line no-console
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return process.exit(1)
}
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const toPath = pathToRegexp.compile(route)
routes = routes.concat(routeParams.map((params) => {
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return toPath(params)
}))
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} else {
routes.push(route)
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}
})
return co(function * () {
while (routes.length) {
yield routes.splice(0, 500).map((route) => {
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return co(function * () {
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var { html } = yield self.renderRoute(route)
html = minify(html, {
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collapseBooleanAttributes: true,
collapseWhitespace: true,
decodeEntities: true,
minifyCSS: true,
minifyJS: true,
processConditionalComments: true,
removeAttributeQuotes: true,
removeComments: true,
removeEmptyAttributes: true,
removeOptionalTags: true,
removeRedundantAttributes: true,
removeScriptTypeAttributes: true,
removeStyleLinkTypeAttributes: true,
removeTagWhitespace: true,
sortAttributes: true,
sortClassName: true,
trimCustomFragments: true,
useShortDoctype: true
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})
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var path = join(route, sep, 'index.html') // /about -> /about/index.html
debug('Generate file: ' + path)
path = join(distPath, path)
// Make sure the sub folders are created
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yield mkdirp(dirname(path))
yield writeFile(path, html, 'utf8')
})
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})
}
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})
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})
.then((pages) => {
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// Add .nojekyll file to let Github Pages add the _nuxt/ folder
// https://help.github.com/articles/files-that-start-with-an-underscore-are-missing/
const nojekyllPath = resolve(distPath, '.nojekyll')
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return writeFile(nojekyllPath, '')
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})
.then(() => {
const duration = Math.round((Date.now() - s) / 100) / 10
debug(`HTML Files generated in ${duration}s`)
return this
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})
}
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function resolveRouteParams (routeParams) {
let promises = []
Object.keys(routeParams).forEach(function (routePath) {
let promise = promisifyRouteParams(routeParams[routePath])
.then((routeParamsData) => {
routeParams[routePath] = routeParamsData
})
.catch((e) => {
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console.error(`Could not resolve routeParams[${routePath}]`) // eslint-disable-line no-console
console.error(e) // eslint-disable-line no-console
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process.exit(1)
})
promises.push(promise)
})
return Promise.all(promises)
}