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/**
* Language Generator
*/
const fs = require('fs');
const { exec } = require('child_process');
function languageIsSupported(language) {
try {
fs.accessSync(`app/translations/${language}.json`, fs.F_OK);
return true;
} catch (e) {
return false;
}
}
module.exports = {
description: 'Add a language',
prompts: [
{
type: 'input',
name: 'language',
message:
'What is the language you want to add i18n support for (e.g. "fr", "de")?',
default: 'fr',
validate: value => {
if (/.+/.test(value) && value.length === 2) {
return languageIsSupported(value)
? `The language "${value}" is already supported.`
: true;
}
return '2 character language specifier is required';
},
},
],
actions: () => {
const actions = [];
actions.push({
type: 'modify',
path: '../../app/i18n.js',
pattern: /(const ..LocaleData = require\('react-intl\/locale-data\/..'\);\n)+/g,
templateFile: './language/intl-locale-data.hbs',
});
actions.push({
type: 'modify',
path: '../../app/i18n.js',
pattern: /(\s+'[a-z]+',\n)(?!.*\s+'[a-z]+',)/g,
templateFile: './language/app-locale.hbs',
});
actions.push({
type: 'modify',
path: '../../app/i18n.js',
pattern: /(const ..TranslationMessages = require\('\.\/translations\/..\.json'\);\n)(?!const ..TranslationMessages = require\('\.\/translations\/..\.json'\);\n)/g,
templateFile: './language/translation-messages.hbs',
});
actions.push({
type: 'modify',
path: '../../app/i18n.js',
pattern: /(addLocaleData\([a-z]+LocaleData\);\n)(?!.*addLocaleData\([a-z]+LocaleData\);)/g,
templateFile: './language/add-locale-data.hbs',
});
actions.push({
type: 'modify',
path: '../../app/i18n.js',
pattern: /([a-z]+:\sformatTranslationMessages\('[a-z]+',\s[a-z]+TranslationMessages\),\n)(?!.*[a-z]+:\sformatTranslationMessages\('[a-z]+',\s[a-z]+TranslationMessages\),)/g,
templateFile: './language/format-translation-messages.hbs',
});
actions.push({
type: 'add',
path: '../../app/translations/{{language}}.json',
templateFile: './language/translations-json.hbs',
abortOnFail: true,
});
actions.push({
type: 'modify',
path: '../../app/app.js',
pattern: /(import\('intl\/locale-data\/jsonp\/[a-z]+\.js'\),\n)(?!.*import\('intl\/locale-data\/jsonp\/[a-z]+\.js'\),)/g,
templateFile: './language/polyfill-intl-locale.hbs',
});
actions.push(() => {
const cmd = 'npm run extract-intl';
exec(cmd, (err, result) => {
if (err) throw err;
process.stdout.write(result);
});
return 'modify translation messages';
});
return actions;
},
};
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