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Revert "build: simplify generation of closure locale file (#42230)" (#42583) 

This reverts commit 8f24d71142.

PR Close #42583
This commit is contained in:
Alex Rickabaugh 2021-06-16 09:24:52 -07:00
parent d6cca3cf9d
commit 2cd1c6c2bd
3 changed files with 613 additions and 5951 deletions
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6410
packages/common/locales/closure-locale.ts
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18
packages/common/locales/generate-locales-tool/bin/write-locale-files-to-dist.ts
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@ -31,8 +31,22 @@ function main(outputDir: string) {
console.info(`Writing locales to: ${outputDir}`);
// Generate locale files for all locales we have data for.
cldrData.availableLocales.forEach(localeData => {
const locale = localeData.locale;
cldrData.availableLocales.forEach((locale: string) => {
const localeData = cldrData.getLocaleData(locale);
// If `cldrjs` is unable to resolve a `bundle` for the current locale, then there is no data
// for this locale, and it should not be generated. This can happen as with older versions of
// CLDR where `availableLocales.json` specifies locales for which no data is available
// (even within the `full` tier packages). See:
// http://cldr.unicode.org/development/development-process/design-proposals/json-packaging.
// TODO(devversion): Remove if we update to CLDR v39 where this seems fixed. Note that this
// worked before in the Gulp tooling without such a check because the `cldr-data-downloader`
// overwrote the `availableLocales` to only capture locales with data.
if (localeData && !(localeData.attributes as any).bundle) {
console.info(`Skipping generation of ${locale} as there is no data.`);
return;
}
const localeFile = generateLocale(locale, localeData, baseCurrencies);
const localeExtraFile = generateLocaleExtra(locale, localeData);
const localeGlobalFile = generateLocaleGlobalFile(locale, localeData, baseCurrencies);

136
packages/common/locales/generate-locales-tool/closure-locale-file.ts
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@ -6,35 +6,126 @@
* found in the LICENSE file at https://angular.io/license
*/
import {CldrStatic} from 'cldrjs';
import {CldrData} from './cldr-data';
import {fileHeader} from './file-header';
import {BaseCurrencies} from './locale-base-currencies';
import {generateLocale} from './locale-file';
/**
* List of locales used by Closure. These locales will be incorporated in the generated
* closure locale file. See:
* https://github.com/google/closure-library/blob/master/closure/goog/i18n/datetimepatterns.js#L2450
*/
const GOOG_LOCALES = [
'af', 'am', 'ar', 'ar-DZ', 'az', 'be', 'bg', 'bn', 'br', 'bs',
'ca', 'chr', 'cs', 'cy', 'da', 'de', 'de-AT', 'de-CH', 'el', 'en-AU',
'en-CA', 'en-GB', 'en-IE', 'en-IN', 'en-SG', 'en-ZA', 'es', 'es-419', 'es-MX', 'es-US',
'et', 'eu', 'fa', 'fi', 'fr', 'fr-CA', 'ga', 'gl', 'gsw', 'gu',
'haw', 'hi', 'hr', 'hu', 'hy', 'in', 'is', 'it', 'iw', 'ja',
'ka', 'kk', 'km', 'kn', 'ko', 'ky', 'ln', 'lo', 'lt', 'lv',
'mk', 'ml', 'mn', 'mo', 'mr', 'ms', 'mt', 'my', 'ne', 'nl',
'no', 'or', 'pa', 'pl', 'pt', 'pt-PT', 'ro', 'ru', 'sh', 'si',
'sk', 'sl', 'sq', 'sr', 'sv', 'sw', 'ta', 'te', 'th', 'tl',
'tr', 'uk', 'ur', 'uz', 'vi', 'zh', 'zh-CN', 'zh-HK', 'zh-TW', 'zu'
];
export function generateClosureLocaleFile(
cldrData: CldrData, baseCurrencies: BaseCurrencies): string {
// locale id aliases to support deprecated locale ids used by closure
// it maps deprecated ids --> new ids
// manually extracted from ./cldr-data/supplemental/aliases.json
// TODO: Consider extracting directly from the CLDR data instead.
const aliases = {
'in': 'id',
'iw': 'he',
'mo': 'ro-MD',
'no': 'nb',
'nb': 'no-NO',
'sh': 'sr-Latn',
'tl': 'fil',
'pt': 'pt-BR',
'zh-CN': 'zh-Hans-CN',
'zh-Hans-CN': 'zh-Hans',
'zh-HK': 'zh-Hant-HK',
'zh-TW': 'zh-Hant-TW',
'zh-Hant-TW': 'zh-Hant',
};
return generateAllLocalesFile(cldrData, GOOG_LOCALES, aliases, baseCurrencies);
}
/**
* Generate a file that contains all locale to import for closure.
* Tree shaking will only keep the data for the `goog.LOCALE` locale.
*/
export function generateClosureLocaleFile(cldrData: CldrData, baseCurrencies: BaseCurrencies) {
const locales = cldrData.availableLocales;
function generateAllLocalesFile(
cldrData: CldrData, locales: string[], aliases: {[name: string]: string},
baseCurrencies: BaseCurrencies) {
const existingLocalesAliases: {[locale: string]: Set<string>} = {};
const existingLocalesData: {[locale: string]: string} = {};
function generateLocaleConstant(localeData: CldrStatic): string {
const locale = localeData.locale;
const localeNameFormattedForJs = formatLocale(locale);
return generateLocale(locale, localeData, baseCurrencies)
.replace(`${fileHeader}\n`, '')
.replace('export default ', `export const locale_${localeNameFormattedForJs} = `)
.replace('function plural', `function plural_${localeNameFormattedForJs}`)
.replace(/,\s+plural/, `, plural_${localeNameFormattedForJs}`)
.replace(/\s*const u = undefined;\s*/, '');
}
// for each locale, get the data and the list of equivalent locales
locales.forEach(locale => {
const eqLocales = new Set<string>();
eqLocales.add(locale);
if (locale.match(/-/)) {
eqLocales.add(locale.replace(/-/g, '_'));
}
function generateCase(localeName: string) {
return `case '${localeName}':\n` +
`l = locale_${formatLocale(localeName)};\n` +
`break;\n`;
// check for aliases
const alias = aliases[locale];
if (alias) {
eqLocales.add(alias);
if (alias.match(/-/)) {
eqLocales.add(alias.replace(/-/g, '_'));
}
// to avoid duplicated "case" we regroup all locales in the same "case"
// the simplest way to do that is to have alias aliases
// e.g. 'no' --> 'nb', 'nb' --> 'no-NO'
// which means that we'll have 'no', 'nb' and 'no-NO' in the same "case"
const aliasKeys = Object.keys(aliases);
for (let i = 0; i < aliasKeys.length; i++) {
const aliasValue = aliases[alias];
if (aliasKeys.indexOf(alias) !== -1 && !eqLocales.has(aliasValue)) {
eqLocales.add(aliasValue);
if (aliasValue.match(/-/)) {
eqLocales.add(aliasValue.replace(/-/g, '_'));
}
}
}
}
const localeNameForData = aliases[locale] ?? locale;
const localeData = cldrData.getLocaleData(localeNameForData);
const localeName = formatLocale(locale);
existingLocalesData[locale] =
generateLocale(localeNameForData, localeData, baseCurrencies)
.replace(`${fileHeader}\n`, '')
.replace('export default ', `export const locale_${localeName} = `)
.replace('function plural', `function plural_${localeName}`)
.replace(/,\s+plural/, `, plural_${localeName}`)
.replace(/\s*const u = undefined;\s*/, '');
existingLocalesAliases[locale] = eqLocales;
});
function generateCases(locale: string) {
let str = '';
let locales: string[] = [];
const eqLocales = existingLocalesAliases[locale];
eqLocales.forEach(l => {
str += `case '${l}':\n`;
locales.push(`'${l}'`);
});
let localesStr = '[' + locales.join(',') + ']';
str += ` l = locale_${formatLocale(locale)};
locales = ${localesStr};
break;\n`;
return str;
}
return `${fileHeader}
@ -43,15 +134,16 @@ import {registerLocaleData} from '../src/i18n/locale_data';
const u = undefined;
${locales.map(locale => `${generateLocaleConstant(locale)}`).join('\n')}
${locales.map(locale => `${existingLocalesData[locale]}`).join('\n')}
let l: any;
let locales: string[] = [];
switch (goog.LOCALE) {
${locales.map(localeData => generateCase(localeData.locale)).join('')}}
${locales.map(locale => generateCases(locale)).join('')}}
if (l) {
registerLocaleData(l);
if(l) {
locales.forEach(locale => registerLocaleData(l, locale));
}
`;
}