Nuxt/lib/core/nuxt.js

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import Tapable from 'tappable'
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import chalk from 'chalk'
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import ModuleContainer from './module'
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import Renderer from './renderer'
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import Options from './options'
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import Debug from 'debug'
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import enableDestroy from 'server-destroy'
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import Module from 'module'
import { join, resolve } from 'path'
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const debug = Debug('nuxt:')
debug.color = 5
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export default class Nuxt extends Tapable {
constructor (_options = {}) {
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super()
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this.options = Options(_options)
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// Paths for resolving requires from `rootDir`
this.nodeModulePaths = Module._nodeModulePaths(this.options.rootDir)
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this.initialized = false
this.errorHandler = this.errorHandler.bind(this)
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// Create instance of core components
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this.moduleContainer = new ModuleContainer(this)
this.renderer = new Renderer(this)
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// Backward compatibility
this.render = this.renderer.app
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this.renderRoute = this.renderer.renderRoute.bind(this.renderer)
this.renderAndGetWindow = this.renderer.renderAndGetWindow.bind(this.renderer)
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this._ready = this.ready().catch(this.errorHandler)
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}
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async ready () {
if (this._ready) {
return this._ready
}
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await this.moduleContainer._ready()
await this.applyPluginsAsync('ready')
await this.renderer._ready()
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this.initialized = true
return this
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}
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listen (port = 3000, host = 'localhost') {
return new Promise((resolve, reject) => {
const server = this.renderer.app.listen({ port, host, exclusive: false }, err => {
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/* istanbul ignore if */
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if (err) {
return reject(err)
}
// Show Open URL
let _host = host === '0.0.0.0' ? 'localhost' : host
// eslint-disable-next-line no-console
console.log('\n' + chalk.bold(chalk.bgBlue.black(' OPEN ') + chalk.blue(` http://${_host}:${port}\n`)))
// Close server on nuxt close
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this.plugin('close', () => new Promise((resolve, reject) => {
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// Destroy server by forcing every connection to be closed
server.destroy(err => {
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debug('server closed')
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/* istanbul ignore if */
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if (err) {
return reject(err)
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}
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resolve()
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})
}))
resolve()
})
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// Add server.destroy(cb) method
enableDestroy(server)
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})
}
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errorHandler /* istanbul ignore next */() {
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// Apply plugins
// eslint-disable-next-line no-console
this.applyPluginsAsync('error', ...arguments).catch(console.error)
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// Silent
if (this.options.errorHandler === false) {
return
}
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// Custom errorHandler
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if (typeof this.options.errorHandler === 'function') {
return this.options.errorHandler.apply(this, arguments)
}
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// Default handler
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// eslint-disable-next-line no-console
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console.error(...arguments)
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}
resolvePath (path) {
// Try to resolve using NPM resolve path first
try {
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let resolvedPath = Module._resolveFilename(path, { paths: this.nodeModulePaths })
return resolvedPath
} catch (e) {
// Just continue
}
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// Shorthand to resolve from project dirs
if (path.indexOf('@@') === 0 || path.indexOf('~~') === 0) {
return join(this.options.rootDir, path.substr(2))
} else if (path.indexOf('@') === 0 || path.indexOf('~') === 0) {
return join(this.options.srcDir, path.substr(1))
}
return resolve(this.options.srcDir, path)
}
async close (callback) {
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await this.applyPluginsAsync('close')
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/* istanbul ignore if */
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if (typeof callback === 'function') {
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await callback()
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}
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}
}