soapbox/webpack/translationRunner.js

219 wiersze
6.1 KiB
JavaScript
Czysty Zwykły widok Historia

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const fs = require('fs');
const path = require('path');
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const parser = require('intl-messageformat-parser');
const { default: manageTranslations, readMessageFiles } = require('react-intl-translations-manager'); // eslint-disable-line import/order
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const RFC5646_REGEXP = /^[a-z]{2,3}(?:-(?:x|[A-Za-z]{2,4}))*$/;
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const rootDirectory = path.resolve(__dirname, '..');
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const translationsDirectory = path.resolve(rootDirectory, 'app', 'soapbox', 'locales');
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const messagesDirectory = path.resolve(rootDirectory, 'build', 'messages');
const availableLanguages = fs.readdirSync(translationsDirectory).reduce((languages, filename) => {
const basename = path.basename(filename, '.json');
if (RFC5646_REGEXP.test(basename)) {
languages.push(basename);
}
return languages;
}, []);
const testRFC5646 = language => {
if (!RFC5646_REGEXP.test(language)) {
throw new Error('Not RFC5646 name');
}
};
const testAvailability = language => {
if (!availableLanguages.includes(language)) {
throw new Error('Not an available language');
}
};
const validateLanguages = (languages, validators) => {
const invalidLanguages = languages.reduce((acc, language) => {
try {
validators.forEach(validator => validator(language));
} catch (error) {
acc.push({ language, error });
}
return acc;
}, []);
if (invalidLanguages.length > 0) {
console.error(`
Error: Specified invalid LANGUAGES:
${invalidLanguages.map(({ language, error }) => `* ${language}: ${error.message}`).join('\n')}
Use yarn "manage:translations -- --help" for usage information
`);
process.exit(1);
}
};
const usage = `Usage: yarn manage:translations [OPTIONS] [LANGUAGES]
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Manage JavaScript translation files in Soapbox FE. Generates and update translations in translationsDirectory: ${translationsDirectory}
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LANGUAGES
The RFC5646 language tag for the language you want to test or fix. If you want to input multiple languages, separate them with space.
Available languages:
${availableLanguages.join(', ')}
`;
const { argv } = require('yargs')
.usage(usage)
.option('f', {
alias: 'force',
default: false,
describe: 'force using the provided languages. create files if not exists.',
type: 'boolean',
});
// check if message directory exists
if (!fs.existsSync(messagesDirectory)) {
console.error(`
Error: messagesDirectory not exists
(${messagesDirectory})
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Try to run "yarn build" first`);
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process.exit(1);
}
// determine the languages list
const languages = (argv._.length > 0) ? argv._ : availableLanguages;
// validate languages
validateLanguages(languages, [
testRFC5646,
!argv.force && testAvailability,
].filter(Boolean));
// manage translations
manageTranslations({
messagesDirectory,
translationsDirectory,
detectDuplicateIds: false,
singleMessagesFile: true,
languages,
jsonOptions: {
trailingNewline: true,
},
});
// Check variable interpolations and print error messages if variables are
// used in translations which are not used in the default message.
/* eslint-disable no-console */
function findVariablesinAST(tree) {
const result = new Set();
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tree.forEach((element) => {
switch (element.type) {
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case parser.TYPE.argument:
case parser.TYPE.number:
result.add(element.value);
break;
case parser.TYPE.plural:
result.add(element.value);
Object.values(element.options)
.map(option => option.value)
.forEach(subtree =>
findVariablesinAST(subtree)
.forEach(variable => result.add(variable)));
break;
case parser.TYPE.literal:
break;
default:
console.log('unhandled element=', element);
break;
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}
});
return result;
}
function findVariables(string) {
return findVariablesinAST(parser.parse(string));
}
const extractedMessagesFiles = readMessageFiles(translationsDirectory);
const extractedMessages = extractedMessagesFiles.reduce((acc, messageFile) => {
messageFile.descriptors.forEach((descriptor) => {
descriptor.descriptors.forEach((item) => {
const variables = findVariables(item.defaultMessage);
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acc.push({
id: item.id,
defaultMessage: item.defaultMessage,
variables: variables,
});
});
});
return acc;
}, []);
const translations = languages.map((language) => {
return {
language: language,
data: JSON.parse(fs.readFileSync(path.join(translationsDirectory, language + '.json'), 'utf8')),
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};
});
function difference(a, b) {
return new Set([...a].filter(x => !b.has(x)));
}
function pushIfUnique(arr, newItem) {
if (arr.every((item) => {
return (JSON.stringify(item) !== JSON.stringify(newItem));
})) {
arr.push(newItem);
}
}
const problems = translations.reduce((acc, translation) => {
extractedMessages.forEach((message) => {
try {
const translationVariables = findVariables(translation.data[message.id]);
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if ([...difference(translationVariables, message.variables)].length > 0) {
pushIfUnique(acc, {
language: translation.language,
id: message.id,
severity: 'error',
type: 'missing variable ',
});
} else if ([...difference(message.variables, translationVariables)].length > 0) {
pushIfUnique(acc, {
language: translation.language,
id: message.id,
severity: 'warning',
type: 'inconsistent variables',
});
}
} catch (error) {
pushIfUnique(acc, {
language: translation.language,
id: message.id,
severity: 'error',
type: 'syntax error ',
});
}
});
return acc;
}, []);
if (problems.length > 0) {
console.error(`${problems.length} messages found with errors or warnings:`);
console.error('\nLoc\tIssue \tMessage ID');
console.error('-'.repeat(60));
problems.forEach((problem) => {
const color = (problem.severity === 'error') ? '\x1b[31m' : '';
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console.error(`${color}${problem.language}\t${problem.type}\t${problem.id}\x1b[0m`);
});
console.error('\n');
if (problems.find((item) => {
return item.severity === 'error';
})) {
process.exit(1);
}
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}