635 lines
22 KiB
JavaScript
635 lines
22 KiB
JavaScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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const fs = require('fs');
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const path = require('path');
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const stringify = require('./util').stringify;
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// used to extract plural rules
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const cldr = require('cldr');
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// used to extract all other cldr data
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const cldrJs = require('cldrjs');
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// used to call to clang-format
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const shelljs = require('shelljs');
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const COMMON_PACKAGE = 'packages/common';
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const CORE_PACKAGE = 'packages/core';
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const I18N_FOLDER = `${COMMON_PACKAGE}/src/i18n`;
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const I18N_CORE_FOLDER = `${CORE_PACKAGE}/src/i18n`;
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const I18N_DATA_FOLDER = `${COMMON_PACKAGE}/locales`;
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const I18N_DATA_EXTRA_FOLDER = `${I18N_DATA_FOLDER}/extra`;
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const I18N_GLOBAL_FOLDER = `${I18N_DATA_FOLDER}/global`;
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const RELATIVE_I18N_FOLDER = path.resolve(__dirname, `../../../${I18N_FOLDER}`);
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const RELATIVE_I18N_CORE_FOLDER = path.resolve(__dirname, `../../../${I18N_CORE_FOLDER}`);
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const RELATIVE_I18N_DATA_FOLDER = path.resolve(__dirname, `../../../${I18N_DATA_FOLDER}`);
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const RELATIVE_I18N_DATA_EXTRA_FOLDER =
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path.resolve(__dirname, `../../../${I18N_DATA_EXTRA_FOLDER}`);
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const RELATIVE_I18N_GLOBAL_FOLDER = path.resolve(__dirname, `../../../${I18N_GLOBAL_FOLDER}`);
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const DEFAULT_RULE = 'function anonymous(n) {\nreturn"other"\n}';
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const EMPTY_RULE = 'function anonymous(n) {\n\n}';
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const WEEK_DAYS = ['sun', 'mon', 'tue', 'wed', 'thu', 'fri', 'sat'];
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const HEADER = `/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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// THIS CODE IS GENERATED - DO NOT MODIFY
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// See angular/tools/gulp-tasks/cldr/extract.js
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`;
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// tslint:disable:no-console
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module.exports = (gulp, done) => {
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const cldrData = require('cldr-data');
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const LOCALES = cldrData.availableLocales;
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console.log(`Loading CLDR data...`);
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cldrJs.load(cldrData.all().concat(cldrData('scriptMetadata')));
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console.log(`Writing locale files`);
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if (!fs.existsSync(RELATIVE_I18N_FOLDER)) {
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fs.mkdirSync(RELATIVE_I18N_FOLDER);
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}
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if (!fs.existsSync(RELATIVE_I18N_DATA_FOLDER)) {
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fs.mkdirSync(RELATIVE_I18N_DATA_FOLDER);
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}
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if (!fs.existsSync(RELATIVE_I18N_DATA_EXTRA_FOLDER)) {
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fs.mkdirSync(RELATIVE_I18N_DATA_EXTRA_FOLDER);
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}
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if (!fs.existsSync(RELATIVE_I18N_GLOBAL_FOLDER)) {
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fs.mkdirSync(RELATIVE_I18N_GLOBAL_FOLDER);
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}
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console.log(`Writing file ${I18N_FOLDER}/currencies.ts`);
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fs.writeFileSync(`${RELATIVE_I18N_FOLDER}/currencies.ts`, generateCurrenciesFile());
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const baseCurrencies = generateBaseCurrencies(new cldrJs('en'));
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// additional "en" file that will be included in common
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console.log(`Writing file ${I18N_CORE_FOLDER}/locale_en.ts`);
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const localeEnFile = generateLocale('en', new cldrJs('en'), baseCurrencies);
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fs.writeFileSync(`${RELATIVE_I18N_CORE_FOLDER}/locale_en.ts`, localeEnFile);
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LOCALES.forEach((locale, index) => {
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const localeData = new cldrJs(locale);
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console.log(`${index + 1}/${LOCALES.length}`);
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console.log(`\t${I18N_DATA_FOLDER}/${locale}.ts`);
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fs.writeFileSync(
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`${RELATIVE_I18N_DATA_FOLDER}/${locale}.ts`,
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locale === 'en' ? localeEnFile : generateLocale(locale, localeData, baseCurrencies));
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console.log(`\t${I18N_DATA_EXTRA_FOLDER}/${locale}.ts`);
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fs.writeFileSync(
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`${RELATIVE_I18N_DATA_EXTRA_FOLDER}/${locale}.ts`, generateLocaleExtra(locale, localeData));
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console.log(`\t${I18N_GLOBAL_FOLDER}/${locale}.js`);
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fs.writeFileSync(
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`${RELATIVE_I18N_GLOBAL_FOLDER}/${locale}.js`,
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generateGlobalLocale(
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locale, locale === 'en' ? new cldrJs('en') : localeData, baseCurrencies));
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});
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console.log(`${LOCALES.length} locale files generated.`);
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console.log(`All i18n cldr files have been generated, formatting files..."`);
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shelljs.exec(
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`yarn clang-format -i ${I18N_DATA_FOLDER}/**/*.ts ${I18N_DATA_FOLDER}/*.ts ${I18N_FOLDER}/currencies.ts ${I18N_CORE_FOLDER}/locale_en.ts ${I18N_GLOBAL_FOLDER}/*.js`,
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{silent: true});
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done();
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};
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/**
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* Generate contents for the basic locale data file
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*/
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function generateLocale(locale, localeData, baseCurrencies) {
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return `${HEADER}
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const u = undefined;
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${getPluralFunction(locale)}
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export default ${generateBasicLocaleString(locale, localeData, baseCurrencies)};
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`;
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}
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/**
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* Generate the contents for the extra data file
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*/
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function generateLocaleExtra(locale, localeData) {
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return `${HEADER}
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const u = undefined;
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export default ${generateDayPeriodsSupplementalString(locale, localeData)};
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`;
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}
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/**
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* Generated the contents for the global locale file
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*/
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function generateGlobalLocale(locale, localeData, baseCurrencies) {
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const basicLocaleData = generateBasicLocaleString(locale, localeData, baseCurrencies);
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const extraLocaleData = generateDayPeriodsSupplementalString(locale, localeData);
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const data = basicLocaleData.replace(/\]$/, `, ${extraLocaleData}]`);
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return `${HEADER}
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(function(global) {
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global.ng = global.ng || {};
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global.ng.common = global.ng.common || {};
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global.ng.common.locales = global.ng.common.locales || {};
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var u = undefined;
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${getPluralFunction(locale, false)}
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global.ng.common.locales['${normalizeLocale(locale)}'] = ${data};
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})(typeof globalThis !== 'undefined' && globalThis || typeof global !== 'undefined' && global || typeof window !== 'undefined' && window);
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`;
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}
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/**
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* Collect up the basic locale data [ localeId, dateTime, number, currency, pluralCase ].
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*/
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function generateBasicLocaleString(locale, localeData, baseCurrencies) {
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let data = stringify(
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[
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locale,
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...getDateTimeTranslations(localeData),
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...getDateTimeSettings(localeData),
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...getNumberSettings(localeData),
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...getCurrencySettings(locale, localeData),
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generateLocaleCurrencies(localeData, baseCurrencies),
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getDirectionality(localeData),
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],
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true)
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// We remove "undefined" added by spreading arrays when there is no value
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.replace(/undefined/g, 'u');
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// adding plural function after, because we don't want it as a string
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data = data.replace(/\]$/, ', plural]');
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return data;
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}
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/**
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* Collect up the day period rules, and extended day period data.
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*/
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function generateDayPeriodsSupplementalString(locale, localeData) {
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const dayPeriods = getDayPeriodsNoAmPm(localeData);
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const dayPeriodRules = getDayPeriodRules(localeData);
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let dayPeriodsSupplemental = [];
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if (Object.keys(dayPeriods.format.narrow).length) {
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const keys = Object.keys(dayPeriods.format.narrow);
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if (keys.length !== Object.keys(dayPeriodRules).length) {
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throw new Error(`Error: locale ${locale} has not the correct number of day period rules`);
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}
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const dayPeriodsFormat = removeDuplicates([
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objectValues(dayPeriods.format.narrow), objectValues(dayPeriods.format.abbreviated),
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objectValues(dayPeriods.format.wide)
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]);
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const dayPeriodsStandalone = removeDuplicates([
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objectValues(dayPeriods['stand-alone'].narrow),
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objectValues(dayPeriods['stand-alone'].abbreviated),
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objectValues(dayPeriods['stand-alone'].wide)
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]);
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const rules = keys.map(key => dayPeriodRules[key]);
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dayPeriodsSupplemental = [...removeDuplicates([dayPeriodsFormat, dayPeriodsStandalone]), rules];
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}
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return stringify(dayPeriodsSupplemental).replace(/undefined/g, 'u');
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}
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/**
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* Generate a list of currencies to be used as a based for other currencies
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* e.g.: {'ARS': [, '$'], 'AUD': ['A$', '$'], ...}
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*/
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function generateBaseCurrencies(localeData, addDigits) {
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const currenciesData = localeData.main('numbers/currencies');
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const fractions = new cldrJs('en').get(`supplemental/currencyData/fractions`);
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const currencies = {};
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Object.keys(currenciesData).forEach(key => {
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let symbolsArray = [];
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const symbol = currenciesData[key].symbol;
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const symbolNarrow = currenciesData[key]['symbol-alt-narrow'];
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if (symbol && symbol !== key) {
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symbolsArray.push(symbol);
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}
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if (symbolNarrow && symbolNarrow !== symbol) {
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if (symbolsArray.length > 0) {
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symbolsArray.push(symbolNarrow);
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} else {
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symbolsArray = [undefined, symbolNarrow];
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}
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}
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if (addDigits && fractions[key] && fractions[key]['_digits']) {
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const digits = parseInt(fractions[key]['_digits'], 10);
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if (symbolsArray.length === 2) {
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symbolsArray.push(digits);
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} else if (symbolsArray.length === 1) {
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symbolsArray = [...symbolsArray, undefined, digits];
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} else {
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symbolsArray = [undefined, undefined, digits];
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}
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}
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if (symbolsArray.length > 0) {
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currencies[key] = symbolsArray;
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}
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});
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return currencies;
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}
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/**
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* To minimize the file even more, we only output the differences compared to the base currency
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*/
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function generateLocaleCurrencies(localeData, baseCurrencies) {
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const currenciesData = localeData.main('numbers/currencies');
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const currencies = {};
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Object.keys(currenciesData).forEach(code => {
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let symbolsArray = [];
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const symbol = currenciesData[code].symbol;
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const symbolNarrow = currenciesData[code]['symbol-alt-narrow'];
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if (symbol && symbol !== code) {
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symbolsArray.push(symbol);
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}
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if (symbolNarrow && symbolNarrow !== symbol) {
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if (symbolsArray.length > 0) {
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symbolsArray.push(symbolNarrow);
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} else {
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symbolsArray = [undefined, symbolNarrow];
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}
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}
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// if locale data are different, set the value
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if ((baseCurrencies[code] || []).toString() !== symbolsArray.toString()) {
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currencies[code] = symbolsArray;
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}
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});
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return currencies;
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}
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/**
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* Generate a file that contains the list of currencies and their symbols
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*/
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function generateCurrenciesFile() {
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const baseCurrencies = generateBaseCurrencies(new cldrJs('en'), true);
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return `${HEADER}
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export type CurrenciesSymbols = [string] | [string | undefined, string];
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/** @internal */
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export const CURRENCIES_EN: {[code: string]: CurrenciesSymbols | [string | undefined, string | undefined, number]} = ${stringify(baseCurrencies, true)};
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`;
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}
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/**
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* Returns data for the chosen day periods
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* @returns {
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* format: {narrow / abbreviated / wide: [...]},
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* stand-alone: {narrow / abbreviated / wide: [...]}
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* }
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*/
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function getDayPeriods(localeData, dayPeriodsList) {
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const dayPeriods = localeData.main(`dates/calendars/gregorian/dayPeriods`);
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const result = {};
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// cleaning up unused keys
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Object.keys(dayPeriods).forEach(key1 => { // format / stand-alone
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result[key1] = {};
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Object.keys(dayPeriods[key1]).forEach(key2 => { // narrow / abbreviated / wide
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result[key1][key2] = {};
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Object.keys(dayPeriods[key1][key2]).forEach(key3 => {
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if (dayPeriodsList.indexOf(key3) !== -1) {
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result[key1][key2][key3] = dayPeriods[key1][key2][key3];
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}
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});
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});
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});
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return result;
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}
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/**
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* Returns the basic day periods (am/pm)
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*/
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function getDayPeriodsAmPm(localeData) {
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return getDayPeriods(localeData, ['am', 'pm']);
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}
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/**
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* Returns the extra day periods (without am/pm)
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*/
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function getDayPeriodsNoAmPm(localeData) {
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return getDayPeriods(localeData, [
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'noon', 'midnight', 'morning1', 'morning2', 'afternoon1', 'afternoon2', 'evening1', 'evening2',
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'night1', 'night2'
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]);
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}
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/**
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* Returns date-related translations for a locale
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* @returns [ dayPeriodsFormat, dayPeriodsStandalone, daysFormat, dayStandalone, monthsFormat,
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* monthsStandalone, eras ]
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* each value: [ narrow, abbreviated, wide, short? ]
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*/
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function getDateTimeTranslations(localeData) {
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const dayNames = localeData.main(`dates/calendars/gregorian/days`);
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const monthNames = localeData.main(`dates/calendars/gregorian/months`);
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const erasNames = localeData.main(`dates/calendars/gregorian/eras`);
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const dayPeriods = getDayPeriodsAmPm(localeData);
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const dayPeriodsFormat = removeDuplicates([
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objectValues(dayPeriods.format.narrow), objectValues(dayPeriods.format.abbreviated),
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objectValues(dayPeriods.format.wide)
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]);
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const dayPeriodsStandalone = removeDuplicates([
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objectValues(dayPeriods['stand-alone'].narrow),
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objectValues(dayPeriods['stand-alone'].abbreviated),
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objectValues(dayPeriods['stand-alone'].wide)
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]);
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const daysFormat = removeDuplicates([
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objectValues(dayNames.format.narrow), objectValues(dayNames.format.abbreviated),
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objectValues(dayNames.format.wide), objectValues(dayNames.format.short)
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]);
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const daysStandalone = removeDuplicates([
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objectValues(dayNames['stand-alone'].narrow), objectValues(dayNames['stand-alone'].abbreviated),
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objectValues(dayNames['stand-alone'].wide), objectValues(dayNames['stand-alone'].short)
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]);
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const monthsFormat = removeDuplicates([
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objectValues(monthNames.format.narrow), objectValues(monthNames.format.abbreviated),
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objectValues(monthNames.format.wide)
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]);
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const monthsStandalone = removeDuplicates([
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objectValues(monthNames['stand-alone'].narrow),
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objectValues(monthNames['stand-alone'].abbreviated),
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objectValues(monthNames['stand-alone'].wide)
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]);
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const eras = removeDuplicates([
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[erasNames.eraNarrow['0'], erasNames.eraNarrow['1']],
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[erasNames.eraAbbr['0'], erasNames.eraAbbr['1']],
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[erasNames.eraNames['0'], erasNames.eraNames['1']]
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]);
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const dateTimeTranslations = [
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...removeDuplicates([dayPeriodsFormat, dayPeriodsStandalone]),
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...removeDuplicates([daysFormat, daysStandalone]),
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...removeDuplicates([monthsFormat, monthsStandalone]), eras
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];
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return dateTimeTranslations;
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}
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/**
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* Returns date, time and dateTime formats for a locale
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* @returns [dateFormats, timeFormats, dateTimeFormats]
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* each format: [ short, medium, long, full ]
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*/
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function getDateTimeFormats(localeData) {
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function getFormats(data) {
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return removeDuplicates([
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data.short._value || data.short, data.medium._value || data.medium,
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data.long._value || data.long, data.full._value || data.full
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]);
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}
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const dateFormats = localeData.main('dates/calendars/gregorian/dateFormats');
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const timeFormats = localeData.main('dates/calendars/gregorian/timeFormats');
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const dateTimeFormats = localeData.main('dates/calendars/gregorian/dateTimeFormats');
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return [getFormats(dateFormats), getFormats(timeFormats), getFormats(dateTimeFormats)];
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}
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/**
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* Returns day period rules for a locale
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* @returns string[]
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*/
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function getDayPeriodRules(localeData) {
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const dayPeriodRules =
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localeData.get(`supplemental/dayPeriodRuleSet/${localeData.attributes.language}`);
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const rules = {};
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if (dayPeriodRules) {
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Object.keys(dayPeriodRules).forEach(key => {
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if (dayPeriodRules[key]._at) {
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rules[key] = dayPeriodRules[key]._at;
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} else {
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rules[key] = [dayPeriodRules[key]._from, dayPeriodRules[key]._before];
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}
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});
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}
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return rules;
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}
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/**
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* Returns the first day of the week, based on US week days
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* @returns number
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*/
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function getFirstDayOfWeek(localeData) {
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return WEEK_DAYS.indexOf(localeData.supplemental.weekData.firstDay());
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}
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/**
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* Returns week-end range for a locale, based on US week days
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* @returns [number, number]
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*/
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function getWeekendRange(localeData) {
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const startDay =
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localeData.get(`supplemental/weekData/weekendStart/${localeData.attributes.territory}`) ||
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localeData.get('supplemental/weekData/weekendStart/001');
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const endDay =
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localeData.get(`supplemental/weekData/weekendEnd/${localeData.attributes.territory}`) ||
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localeData.get('supplemental/weekData/weekendEnd/001');
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return [WEEK_DAYS.indexOf(startDay), WEEK_DAYS.indexOf(endDay)];
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}
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/**
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* Returns dateTime data for a locale
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* @returns [ firstDayOfWeek, weekendRange, formats ]
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*/
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function getDateTimeSettings(localeData) {
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return [
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getFirstDayOfWeek(localeData), getWeekendRange(localeData), ...getDateTimeFormats(localeData)
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];
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}
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/**
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* Returns the number symbols and formats for a locale
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* @returns [ symbols, formats ]
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* symbols: [ decimal, group, list, percentSign, plusSign, minusSign, exponential,
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* superscriptingExponent, perMille, infinity, nan, timeSeparator, currencyDecimal?, currencyGroup?
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* ]
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* formats: [ currency, decimal, percent, scientific ]
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*/
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function getNumberSettings(localeData) {
|
|
const decimalFormat = localeData.main('numbers/decimalFormats-numberSystem-latn/standard');
|
|
const percentFormat = localeData.main('numbers/percentFormats-numberSystem-latn/standard');
|
|
const scientificFormat = localeData.main('numbers/scientificFormats-numberSystem-latn/standard');
|
|
const currencyFormat = localeData.main('numbers/currencyFormats-numberSystem-latn/standard');
|
|
const symbols = localeData.main('numbers/symbols-numberSystem-latn');
|
|
const symbolValues = [
|
|
symbols.decimal,
|
|
symbols.group,
|
|
symbols.list,
|
|
symbols.percentSign,
|
|
symbols.plusSign,
|
|
symbols.minusSign,
|
|
symbols.exponential,
|
|
symbols.superscriptingExponent,
|
|
symbols.perMille,
|
|
symbols.infinity,
|
|
symbols.nan,
|
|
symbols.timeSeparator,
|
|
];
|
|
|
|
if (symbols.currencyDecimal || symbols.currencyGroup) {
|
|
symbolValues.push(symbols.currencyDecimal);
|
|
}
|
|
|
|
if (symbols.currencyGroup) {
|
|
symbolValues.push(symbols.currencyGroup);
|
|
}
|
|
|
|
return [symbolValues, [decimalFormat, percentFormat, currencyFormat, scientificFormat]];
|
|
}
|
|
|
|
/**
|
|
* Returns the currency code, symbol and name for a locale
|
|
* @returns [ code, symbol, name ]
|
|
*/
|
|
function getCurrencySettings(locale, localeData) {
|
|
const currencyInfo = localeData.main(`numbers/currencies`);
|
|
let currentCurrency = '';
|
|
|
|
// find the currency currently used in this country
|
|
const currencies =
|
|
localeData.get(`supplemental/currencyData/region/${localeData.attributes.territory}`) ||
|
|
localeData.get(
|
|
`supplemental/currencyData/region/${localeData.attributes.language.toUpperCase()}`);
|
|
|
|
if (currencies) {
|
|
currencies.some(currency => {
|
|
const keys = Object.keys(currency);
|
|
return keys.some(key => {
|
|
if (currency[key]._from && !currency[key]._to) {
|
|
return currentCurrency = key;
|
|
}
|
|
});
|
|
});
|
|
|
|
if (!currentCurrency) {
|
|
throw new Error(`Unable to find currency for locale "${locale}"`);
|
|
}
|
|
}
|
|
|
|
let currencySettings = [undefined, undefined, undefined];
|
|
|
|
if (currentCurrency) {
|
|
currencySettings = [
|
|
currentCurrency, currencyInfo[currentCurrency].symbol,
|
|
currencyInfo[currentCurrency].displayName
|
|
];
|
|
}
|
|
|
|
return currencySettings;
|
|
}
|
|
|
|
/**
|
|
* Returns the writing direction for a locale
|
|
* @returns 'rtl' | 'ltr'
|
|
*/
|
|
function getDirectionality(localeData) {
|
|
const rtl = localeData.get('scriptMetadata/{script}/rtl');
|
|
return rtl === 'YES' ? 'rtl' : 'ltr';
|
|
}
|
|
|
|
/**
|
|
* Transforms a string into a regexp
|
|
*/
|
|
function toRegExp(s) {
|
|
return new RegExp(s.replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1'), 'g');
|
|
}
|
|
|
|
/**
|
|
* Returns the plural function for a locale
|
|
* todo(ocombe): replace "cldr" extractPluralRuleFunction with our own extraction using "CldrJS"
|
|
* because the 2 libs can become out of sync if they use different versions of the cldr database
|
|
*/
|
|
function getPluralFunction(locale, typescript = true) {
|
|
let fn = cldr.extractPluralRuleFunction(locale).toString();
|
|
|
|
if (fn === EMPTY_RULE) {
|
|
fn = DEFAULT_RULE;
|
|
}
|
|
|
|
const numberType = typescript ? ': number' : '';
|
|
fn = fn.replace(/function anonymous\(n[^}]+{/g, `function plural(n${numberType})${numberType} {`)
|
|
.replace(toRegExp('if(typeof n==="string")n=parseInt(n,10);'), '')
|
|
.replace(toRegExp('\n}'), ';\n}');
|
|
|
|
if (typescript) {
|
|
fn = fn.replace(toRegExp('var'), 'let');
|
|
}
|
|
|
|
// The replacement values must match the `Plural` enum from common.
|
|
// We do not use the enum directly to avoid depending on that package.
|
|
return fn.replace(toRegExp('"zero"'), ' 0')
|
|
.replace(toRegExp('"one"'), ' 1')
|
|
.replace(toRegExp('"two"'), ' 2')
|
|
.replace(toRegExp('"few"'), ' 3')
|
|
.replace(toRegExp('"many"'), ' 4')
|
|
.replace(toRegExp('"other"'), ' 5');
|
|
}
|
|
|
|
/**
|
|
* Return an array of values from an object
|
|
*/
|
|
function objectValues(obj) {
|
|
return Object.keys(obj).map(key => obj[key]);
|
|
}
|
|
|
|
/**
|
|
* To create smaller locale files, we remove duplicated data.
|
|
* To be make this work we need to store similar data in arrays, if some value in an array
|
|
* is undefined, we can take the previous defined value instead, because it means that it has
|
|
* been deduplicated.
|
|
* e.g.: [x, y, undefined, z, undefined, undefined]
|
|
* The first undefined is equivalent to y, the second and third are equivalent to z
|
|
* Note that the first value in an array is always defined.
|
|
*
|
|
* Also since we need to know which data is assumed similar, it is important that we store those
|
|
* similar data in arrays to mark the delimitation between values that have different meanings
|
|
* (e.g. months and days).
|
|
*
|
|
* For further size improvements, "undefined" values will be replaced by a constant in the arrays
|
|
* as the last step of the file generation (in generateLocale and generateLocaleExtra).
|
|
* e.g.: [x, y, undefined, z, undefined, undefined] will be [x, y, u, z, u, u]
|
|
*/
|
|
function removeDuplicates(data) {
|
|
const dedup = [data[0]];
|
|
for (let i = 1; i < data.length; i++) {
|
|
if (stringify(data[i]) !== stringify(data[i - 1])) {
|
|
dedup.push(data[i]);
|
|
} else {
|
|
dedup.push(undefined);
|
|
}
|
|
}
|
|
return dedup;
|
|
}
|
|
|
|
/**
|
|
* In Angular the locale is referenced by a "normalized" form.
|
|
*/
|
|
function normalizeLocale(locale) {
|
|
return locale.toLowerCase().replace(/_/g, '-');
|
|
}
|
|
|
|
module.exports.I18N_FOLDER = I18N_FOLDER;
|
|
module.exports.I18N_DATA_FOLDER = I18N_DATA_FOLDER;
|
|
module.exports.RELATIVE_I18N_DATA_FOLDER = RELATIVE_I18N_DATA_FOLDER;
|
|
module.exports.HEADER = HEADER;
|