Nuxt/lib/core/nuxt.js
Jonas Galvez 3f1d634fb7 Consistent parens in arrow functions (#3630)
* Minor consistency enhancements

* Arrow parenthesis consistency

* Change linting rule

* Fix typo

* Update .eslintrc.js to only require parens for blocks

* Update style according to brace-only suggestion

* Remove --fix from lint

* Tweak no-loading time (failing test)

* Tweak no-loading time (failing test) (2)

* Tweak no-loading time (failing test) (3)

* Tweak no-loading time (failing test) (4)

* Tweak no-loading time (failing test) (5)
2018-08-06 02:12:44 +02:00

229 lines
5.4 KiB
JavaScript

import Module from 'module'
import { resolve, join } from 'path'
import enableDestroy from 'server-destroy'
import _ from 'lodash'
import fs from 'fs-extra'
import consola from 'consola'
import chalk from 'chalk'
import esm from 'esm'
import Options from '../common/options'
import { sequence } from '../common/utils'
import packageJSON from '../../package.json'
import ModuleContainer from './module'
import Renderer from './renderer'
export default class Nuxt {
constructor(options = {}) {
this.options = Options.from(options)
this.readyMessage = null
this.initialized = false
// Hooks
this._hooks = {}
this.hook = this.hook.bind(this)
// Create instance of core components
this.moduleContainer = new ModuleContainer(this)
this.renderer = new Renderer(this)
// Backward compatibility
this.render = this.renderer.app
this.renderRoute = this.renderer.renderRoute.bind(this.renderer)
this.renderAndGetWindow = this.renderer.renderAndGetWindow.bind(
this.renderer
)
// ESM Loader
this.esm = esm(module, {})
this._ready = this.ready().catch((err) => {
consola.fatal(err)
})
}
static get version() {
return packageJSON.version
}
async ready() {
if (this._ready) {
return this._ready
}
// Add hooks
if (_.isPlainObject(this.options.hooks)) {
this.addObjectHooks(this.options.hooks)
} else if (typeof this.options.hooks === 'function') {
this.options.hooks(this.hook)
}
// Await for modules
await this.moduleContainer.ready()
// Await for renderer to be ready
await this.renderer.ready()
this.initialized = true
// Call ready hook
await this.callHook('ready', this)
return this
}
hook(name, fn) {
if (!name || typeof fn !== 'function') {
return
}
this._hooks[name] = this._hooks[name] || []
this._hooks[name].push(fn)
}
async callHook(name, ...args) {
if (!this._hooks[name]) {
return
}
consola.debug(`Call ${name} hooks (${this._hooks[name].length})`)
try {
await sequence(this._hooks[name], fn => fn(...args))
} catch (err) {
consola.error(err)
this.callHook('error', err)
}
}
addObjectHooks(hooksObj) {
Object.keys(hooksObj).forEach((name) => {
let hooks = hooksObj[name]
hooks = Array.isArray(hooks) ? hooks : [hooks]
hooks.forEach(hook => this.hook(name, hook))
})
}
showReady(clear = true) {
if (!this.readyMessage) {
return
}
consola.ready({
message: this.readyMessage,
badge: true,
clear
})
}
listen(port = 3000, host = 'localhost') {
return this.ready().then(() => new Promise((resolve, reject) => {
const server = this.renderer.app.listen(
{ port, host, exclusive: false },
(err) => {
/* istanbul ignore if */
if (err) {
return reject(err)
}
({ address: host, port } = server.address())
if (['127.0.0.1', '0.0.0.0'].includes(host)) {
host = 'localhost'
}
const listenURL = chalk.underline.blue(`http://${host}:${port}`)
this.readyMessage = `Listening on ${listenURL}`
// Close server on nuxt close
this.hook(
'close',
() =>
new Promise((resolve, reject) => {
// Destroy server by forcing every connection to be closed
server.destroy((err) => {
consola.debug('server closed')
/* istanbul ignore if */
if (err) {
return reject(err)
}
resolve()
})
})
)
this.callHook('listen', server, { port, host }).then(resolve)
}
)
// Add server.destroy(cb) method
enableDestroy(server)
}))
}
resolveModule(path) {
try {
const resolvedPath = Module._resolveFilename(path, {
paths: this.options.modulesDir
})
return resolvedPath
} catch (error) {
if (error.code === 'MODULE_NOT_FOUND') {
return null
} else {
throw error
}
}
}
resolveAlias(path) {
const modulePath = this.resolveModule(path)
// Try to resolve it as if it were a regular node_module
// Package first. Fixes issue with @<org> scoped packages
if (modulePath != null) {
return modulePath
}
if (path.indexOf('@@') === 0 || path.indexOf('~~') === 0) {
return join(this.options.rootDir, path.substr(2))
}
if (path.indexOf('@') === 0 || path.indexOf('~') === 0) {
return join(this.options.srcDir, path.substr(1))
}
return resolve(this.options.srcDir, path)
}
resolvePath(path) {
const _path = this.resolveAlias(path)
if (fs.existsSync(_path)) {
return _path
}
for (let ext of this.options.extensions) {
if (fs.existsSync(_path + '.' + ext)) {
return _path + '.' + ext
}
}
throw new Error(`Cannot resolve "${path}" from "${_path}"`)
}
requireModule(_path, opts = {}) {
const _resolvedPath = this.resolvePath(_path)
const m = opts.esm === false ? require(_resolvedPath) : this.esm(_resolvedPath)
return (m && m.default) || m
}
async close(callback) {
await this.callHook('close', this)
/* istanbul ignore if */
if (typeof callback === 'function') {
await callback()
}
}
}