From 3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 Mon Sep 17 00:00:00 2001 From: Dimitri Staessens Date: Sun, 6 Oct 2019 21:37:45 +0200 Subject: build: Add some required modules for node --- node_modules/y18n/index.js | 172 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 172 insertions(+) create mode 100644 node_modules/y18n/index.js (limited to 'node_modules/y18n/index.js') diff --git a/node_modules/y18n/index.js b/node_modules/y18n/index.js new file mode 100644 index 0000000..91b159e --- /dev/null +++ b/node_modules/y18n/index.js @@ -0,0 +1,172 @@ +var fs = require('fs') +var path = require('path') +var util = require('util') + +function Y18N (opts) { + // configurable options. + opts = opts || {} + this.directory = opts.directory || './locales' + this.updateFiles = typeof opts.updateFiles === 'boolean' ? opts.updateFiles : true + this.locale = opts.locale || 'en' + this.fallbackToLanguage = typeof opts.fallbackToLanguage === 'boolean' ? opts.fallbackToLanguage : true + + // internal stuff. + this.cache = {} + this.writeQueue = [] +} + +Y18N.prototype.__ = function () { + var args = Array.prototype.slice.call(arguments) + var str = args.shift() + var cb = function () {} // start with noop. + + if (typeof args[args.length - 1] === 'function') cb = args.pop() + cb = cb || function () {} // noop. + + if (!this.cache[this.locale]) this._readLocaleFile() + + // we've observed a new string, update the language file. + if (!this.cache[this.locale][str] && this.updateFiles) { + this.cache[this.locale][str] = str + + // include the current directory and locale, + // since these values could change before the + // write is performed. + this._enqueueWrite([this.directory, this.locale, cb]) + } else { + cb() + } + + return util.format.apply(util, [this.cache[this.locale][str] || str].concat(args)) +} + +Y18N.prototype._enqueueWrite = function (work) { + this.writeQueue.push(work) + if (this.writeQueue.length === 1) this._processWriteQueue() +} + +Y18N.prototype._processWriteQueue = function () { + var _this = this + var work = this.writeQueue[0] + + // destructure the enqueued work. + var directory = work[0] + var locale = work[1] + var cb = work[2] + + var languageFile = this._resolveLocaleFile(directory, locale) + var serializedLocale = JSON.stringify(this.cache[locale], null, 2) + + fs.writeFile(languageFile, serializedLocale, 'utf-8', function (err) { + _this.writeQueue.shift() + if (_this.writeQueue.length > 0) _this._processWriteQueue() + cb(err) + }) +} + +Y18N.prototype._readLocaleFile = function () { + var localeLookup = {} + var languageFile = this._resolveLocaleFile(this.directory, this.locale) + + try { + localeLookup = JSON.parse(fs.readFileSync(languageFile, 'utf-8')) + } catch (err) { + if (err instanceof SyntaxError) { + err.message = 'syntax error in ' + languageFile + } + + if (err.code === 'ENOENT') localeLookup = {} + else throw err + } + + this.cache[this.locale] = localeLookup +} + +Y18N.prototype._resolveLocaleFile = function (directory, locale) { + var file = path.resolve(directory, './', locale + '.json') + if (this.fallbackToLanguage && !this._fileExistsSync(file) && ~locale.lastIndexOf('_')) { + // attempt fallback to language only + var languageFile = path.resolve(directory, './', locale.split('_')[0] + '.json') + if (this._fileExistsSync(languageFile)) file = languageFile + } + return file +} + +// this only exists because fs.existsSync() "will be deprecated" +// see https://nodejs.org/api/fs.html#fs_fs_existssync_path +Y18N.prototype._fileExistsSync = function (file) { + try { + return fs.statSync(file).isFile() + } catch (err) { + return false + } +} + +Y18N.prototype.__n = function () { + var args = Array.prototype.slice.call(arguments) + var singular = args.shift() + var plural = args.shift() + var quantity = args.shift() + + var cb = function () {} // start with noop. + if (typeof args[args.length - 1] === 'function') cb = args.pop() + + if (!this.cache[this.locale]) this._readLocaleFile() + + var str = quantity === 1 ? singular : plural + if (this.cache[this.locale][singular]) { + str = this.cache[this.locale][singular][quantity === 1 ? 'one' : 'other'] + } + + // we've observed a new string, update the language file. + if (!this.cache[this.locale][singular] && this.updateFiles) { + this.cache[this.locale][singular] = { + one: singular, + other: plural + } + + // include the current directory and locale, + // since these values could change before the + // write is performed. + this._enqueueWrite([this.directory, this.locale, cb]) + } else { + cb() + } + + // if a %d placeholder is provided, add quantity + // to the arguments expanded by util.format. + var values = [str] + if (~str.indexOf('%d')) values.push(quantity) + + return util.format.apply(util, values.concat(args)) +} + +Y18N.prototype.setLocale = function (locale) { + this.locale = locale +} + +Y18N.prototype.getLocale = function () { + return this.locale +} + +Y18N.prototype.updateLocale = function (obj) { + if (!this.cache[this.locale]) this._readLocaleFile() + + for (var key in obj) { + this.cache[this.locale][key] = obj[key] + } +} + +module.exports = function (opts) { + var y18n = new Y18N(opts) + + // bind all functions to y18n, so that + // they can be used in isolation. + for (var key in y18n) { + if (typeof y18n[key] === 'function') { + y18n[key] = y18n[key].bind(y18n) + } + } + + return y18n +} -- cgit v1.2.3