init

platform/i18n/writeLocaleIndexFiles.js

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+const path = require('path');
+const fs = require('fs');
+
+const directoryPath = path.join(__dirname, 'src', 'locales');
+const { lstatSync, readdirSync } = require('fs');
+const { join } = require('path');
+
+const isDirectory = source => lstatSync(source).isDirectory();
+const getDirectories = source =>
+  readdirSync(source)
+    .map(name => join(source, name))
+    .filter(isDirectory);
+
+const getJSONFiles = source =>
+  readdirSync(source)
+    .filter(name => name.includes('.json'))
+    .map(name => join(source, name))
+    .filter(a => !isDirectory(a));
+
+const directories = getDirectories(directoryPath);
+
+function writeFile(filepath, name, content) {
+  fs.writeFile(path.join(filepath, name), content, err => {
+    if (err) {
+      throw err;
+    }
+  });
+}
+
+// For each language directory
+const languages = [];
+directories.forEach(directory => {
+  const language = path.basename(directory);
+  languages.push(language);
+  const name = 'index.js';
+
+  // Create one file (index.js) inside the language folder
+  // For each namespace
+  let content = '';
+
+  const files = getJSONFiles(directory);
+  const namespaces = files.map(file => path.basename(file, '.json'));
+
+  files.forEach(file => {
+    const filename = path.basename(file);
+    const namespace = path.basename(file, '.json');
+
+    content += `import ${namespace} from './${filename}';\n`;
+  });
+
+  content += '\n';
+  let exportLines = `export default { \n  '${language}': {\n`;
+  namespaces.forEach(namespace => {
+    exportLines += `    ${namespace},\n`;
+  });
+  exportLines += '  }\n};\n';
+
+  content += exportLines;
+
+  // If the file {namespace}.json is present,
+  // create a file to import the namespace and
+  // export all of the namespaces for the language
+  // e.g.
+  // import namespace from './{namespace}.json';
+  // export { namespace1, namespace2, ... }
+  writeFile(directory, name, content);
+});
+
+let fileContent = '';
+const languageVariables = languages.map(language => {
+  const languageVariable = language.replace('-', '_');
+
+  fileContent += `import ${languageVariable} from './${language}/';\n`;
+
+  return languageVariable;
+});
+
+fileContent += '\n';
+
+fileContent += 'export default {\n';
+languageVariables.forEach(language => {
+  fileContent += `  ...${language},\n`;
+});
+
+fileContent += '};\n';
+
+// Create one file (index.js) inside the locales folder
+// which exports each of the languages
+// e.g.
+// import language1 from './{language1}/'
+// import language2 from './{language2}/'
+//
+// export { language1, language2 }
+writeFile(directoryPath, 'index.js', fileContent);