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fix(lazy): don't try to copy locales to build dir at run-time
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Run most of the functionality from the "build:before" hook so that
we don't attempt to do forbidden and unnecessary things at run-time.

Resolves #826
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rchl committed Aug 4, 2020
1 parent 1b69c5d commit 39b1759
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Showing 2 changed files with 145 additions and 158 deletions.
141 changes: 141 additions & 0 deletions src/core/hooks.js
Original file line number Diff line number Diff line change
@@ -0,0 +1,141 @@
import { resolve, join } from 'path'
import { readdirSync } from 'fs'
import { getLocaleCodes } from '../helpers/utils'
import { MODULE_NAME, ROOT_DIR, LOCALE_CODE_KEY, LOCALE_ISO_KEY, LOCALE_DOMAIN_KEY, LOCALE_FILE_KEY, STRATEGIES, COMPONENT_OPTIONS_KEY } from '../helpers/constants'

export function buildHook (moduleContainer, options) {
const nuxtOptions = moduleContainer.options

let defaultLangFile
let hasNonDefaultLangFiles = false

// Copy lang files to the build directory.
if (options.langDir) {
if (!options.locales.length || typeof options.locales[0] === 'string') {
console.error('[' + MODULE_NAME + '] When using "langDir" option, the "locales" option must be a list of objects')
}

const uniqueFiles = new Set(options.locales.map(locale => locale.file))

if (options.defaultLocale) {
const defaultLocaleObject = options.locales.find(locale => locale.code === options.defaultLocale)
if (defaultLocaleObject) {
if (defaultLocaleObject.file) {
defaultLangFile = defaultLocaleObject.file
} else {
console.error(`[${MODULE_NAME}] Default locale is missing the "file" property (required when using "langDir" option)`)
}
} else {
console.error(`[${MODULE_NAME}] Default locale is set to "${options.defaultLocale}" but no locale with that "code" was found`)
}
}

for (const file of uniqueFiles) {
const isUsingDefaultLangFile = file === defaultLangFile
moduleContainer.addTemplate({
src: resolve(nuxtOptions.srcDir, options.langDir, file),
fileName: join(ROOT_DIR, (isUsingDefaultLangFile ? 'default-lang' : 'langs'), file)
})
if (!isUsingDefaultLangFile) {
hasNonDefaultLangFiles = true
}
}
}

const localeCodes = getLocaleCodes(options.locales)
const { trailingSlash } = nuxtOptions.router

const templatesOptions = {
...options,
IS_UNIVERSAL_MODE: nuxtOptions.mode === 'universal',
MODULE_NAME,
LOCALE_CODE_KEY,
LOCALE_ISO_KEY,
LOCALE_DOMAIN_KEY,
LOCALE_FILE_KEY,
STRATEGIES,
COMPONENT_OPTIONS_KEY,
defaultLangFile,
hasNonDefaultLangFiles,
localeCodes,
trailingSlash
}

const pagesDir = nuxtOptions.dir && nuxtOptions.dir.pages ? nuxtOptions.dir.pages : 'pages'

if (options.strategy !== STRATEGIES.NO_PREFIX) {
if (localeCodes.length) {
let includeUprefixedFallback = nuxtOptions.target === 'static'
// Doesn't seem like we can tell whether we are in nuxt generate from the module so we'll
// take advantage of the 'generate:before' hook to store variable.
moduleContainer.nuxt.hook('generate:before', () => { includeUprefixedFallback = true })
const extendRoutes = async routes => {
// This import (or more specifically 'vue-template-compiler' in helpers/components.js) needs to
// be required only at build time to avoid problems when 'vue-template-compiler' dependency is
// not available (at runtime, when using nuxt-start).
const { makeRoutes } = await import('../helpers/routes')

const localizedRoutes = makeRoutes(routes, {
...options,
pagesDir,
includeUprefixedFallback,
trailingSlash
})
routes.splice(0, routes.length)
routes.unshift(...localizedRoutes)
}

moduleContainer.extendRoutes(extendRoutes)
}
} else if (options.differentDomains) {
// eslint-disable-next-line no-console
console.warn('[' + MODULE_NAME + '] The `differentDomains` option and `no_prefix` strategy are not compatible. Change strategy or disable `differentDomains` option.')
}

if ('forwardedHost' in options) {
// eslint-disable-next-line no-console
console.warn('[' + MODULE_NAME + '] The `forwardedHost` option is deprecated. You can safely remove it. See: https://github.com/nuxt-community/i18n-module/pull/630.')
}

const templatesPath = join(__dirname, '..', '/templates')

// Templates (including plugins)
for (const file of readdirSync(templatesPath)) {
if (file.startsWith('plugin.')) {
if (file === 'plugin.seo.js' && !options.seo) {
continue
}

moduleContainer.addPlugin({
src: resolve(templatesPath, file),
fileName: join(ROOT_DIR, file),
options: templatesOptions
})
} else {
moduleContainer.addTemplate({
src: resolve(templatesPath, file),
fileName: join(ROOT_DIR, file),
options: templatesOptions
})
}
}

// Add vue-i18n-loader if applicable
if (options.vueI18nLoader) {
moduleContainer.extendBuild(config => {
const loaders = config.module.rules.find(el => el.loader === 'vue-loader').options.loaders
if (loaders) {
// vue-loader under 15.0.0
/* istanbul ignore next */
loaders.i18n = '@intlify/vue-i18n-loader'
} else {
// vue-loader after 15.0.0
config.module.rules.push({
resourceQuery: /blockType=i18n/,
type: 'javascript/auto',
loader: '@intlify/vue-i18n-loader'
})
}
})
}
}
162 changes: 4 additions & 158 deletions src/index.js
Original file line number Diff line number Diff line change
@@ -1,23 +1,6 @@
const { resolve, join } = require('path')
const { readdirSync } = require('fs')
const { directive: i18nExtensionsDirective } = require('@intlify/vue-i18n-extensions')

const {
MODULE_NAME,
ROOT_DIR,
DEFAULT_OPTIONS,
NESTED_OPTIONS,
LOCALE_CODE_KEY,
LOCALE_ISO_KEY,
LOCALE_DOMAIN_KEY,
LOCALE_FILE_KEY,
STRATEGIES,
COMPONENT_OPTIONS_KEY
} = require('./helpers/constants')

const {
getLocaleCodes
} = require('./helpers/utils')
import { directive as i18nExtensionsDirective } from '@intlify/vue-i18n-extensions'
import { MODULE_NAME, DEFAULT_OPTIONS, NESTED_OPTIONS, STRATEGIES } from './helpers/constants'
import { buildHook } from './core/hooks'

module.exports = function (userOptions) {
const options = { ...DEFAULT_OPTIONS, ...userOptions, ...this.options.i18n }
Expand All @@ -35,144 +18,7 @@ module.exports = function (userOptions) {
return
}

let defaultLangFile
let hasNonDefaultLangFiles = false

// Copy lang files to the build directory.
if (options.langDir) {
if (!options.locales.length || typeof options.locales[0] === 'string') {
console.error('[' + MODULE_NAME + '] When using "langDir" option, the "locales" option must be a list of objects')
}

const uniqueFiles = new Set(options.locales.map(locale => locale.file))

if (options.defaultLocale) {
const defaultLocaleObject = options.locales.find(locale => locale.code === options.defaultLocale)
if (defaultLocaleObject) {
if (defaultLocaleObject.file) {
defaultLangFile = defaultLocaleObject.file
} else {
console.error(`[${MODULE_NAME}] Default locale is missing the "file" property (required when using "langDir" option)`)
}
} else {
console.error(`[${MODULE_NAME}] Default locale is set to "${options.defaultLocale}" but no locale with that "code" was found`)
}
}

for (const file of uniqueFiles) {
const isUsingDefaultLangFile = file === defaultLangFile
this.addTemplate({
src: resolve(this.options.srcDir, options.langDir, file),
fileName: join(ROOT_DIR, (isUsingDefaultLangFile ? 'default-lang' : 'langs'), file)
})
if (!isUsingDefaultLangFile) {
hasNonDefaultLangFiles = true
}
}
}

const localeCodes = getLocaleCodes(options.locales)
const { trailingSlash } = this.options.router

const templatesOptions = {
...options,
IS_UNIVERSAL_MODE: this.options.mode === 'universal',
MODULE_NAME,
LOCALE_CODE_KEY,
LOCALE_ISO_KEY,
LOCALE_DOMAIN_KEY,
LOCALE_FILE_KEY,
STRATEGIES,
COMPONENT_OPTIONS_KEY,
defaultLangFile,
hasNonDefaultLangFiles,
localeCodes,
trailingSlash
}

const pagesDir = this.options.dir && this.options.dir.pages ? this.options.dir.pages : 'pages'

if (options.strategy !== STRATEGIES.NO_PREFIX) {
if (localeCodes.length) {
let includeUprefixedFallback = this.options.target === 'static'
// Doesn't seem like we can tell whether we are in nuxt generate from the module so we'll
// take advantage of the 'generate:before' hook to store variable.
this.nuxt.hook('generate:before', () => { includeUprefixedFallback = true })
const extendRoutes = routes => {
// This import (or more specifically 'vue-template-compiler' in helpers/components.js) needs to
// be required only at build time to avoid problems when 'vue-template-compiler' dependency is
// not available (at runtime, when using nuxt-start).
const { makeRoutes } = require('./helpers/routes')

const localizedRoutes = makeRoutes(routes, {
...options,
pagesDir,
includeUprefixedFallback,
trailingSlash
})
routes.splice(0, routes.length)
routes.unshift(...localizedRoutes)
}

this.extendRoutes(extendRoutes)
}
} else if (options.differentDomains) {
// eslint-disable-next-line no-console
console.warn('[' + MODULE_NAME + '] The `differentDomains` option and `no_prefix` strategy are not compatible. Change strategy or disable `differentDomains` option.')
}

if ('forwardedHost' in options) {
// eslint-disable-next-line no-console
console.warn('[' + MODULE_NAME + '] The `forwardedHost` option is deprecated. You can safely remove it. See: https://github.com/nuxt-community/i18n-module/pull/630.')
}

const templatesPath = join(__dirname, '/templates')

// Templates (including plugins)
for (const file of readdirSync(templatesPath)) {
if (file.startsWith('plugin.')) {
if (file === 'plugin.seo.js' && !options.seo) {
continue
}

this.addPlugin({
src: resolve(templatesPath, file),
fileName: join(ROOT_DIR, file),
options: templatesOptions
})
} else {
this.addTemplate({
src: resolve(templatesPath, file),
fileName: join(ROOT_DIR, file),
options: templatesOptions
})
}
}

// Add vue-i18n to vendors if using Nuxt 1.x
if (this.options.build.vendor) {
/* istanbul ignore next */
this.options.build.vendor.push('vue-i18n')
}

// Add vue-i18n-loader if applicable
if (options.vueI18nLoader) {
this.extendBuild(config => {
const loaders = config.module.rules.find(el => el.loader === 'vue-loader').options.loaders
if (loaders) {
// vue-loader under 15.0.0
/* istanbul ignore next */
loaders.i18n = '@intlify/vue-i18n-loader'
} else {
// vue-loader after 15.0.0
config.module.rules.push({
resourceQuery: /blockType=i18n/,
type: 'javascript/auto',
loader: '@intlify/vue-i18n-loader'
})
}
})
}
this.nuxt.hook('build:before', () => buildHook(this, options))

this.options.router.middleware.push('nuxti18n')
this.options.render.bundleRenderer.directives = this.options.render.bundleRenderer.directives || {}
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