send/build/fluent_loader.js
2017-08-25 09:44:52 -07:00

38 lines
1 KiB
JavaScript

const { MessageContext } = require('fluent');
function toJSON(map) {
return JSON.stringify(Array.from(map));
}
module.exports = function(source) {
const localeExp = this.options.locale || /([^/]+)\/[^/]+\.ftl$/;
const result = localeExp.exec(this.resourcePath);
const locale = result && result[1];
// pre-parse the ftl
const context = new MessageContext(locale);
context.addMessages(source);
if (!locale) {
throw new Error(`couldn't find locale in: ${this.resourcePath}`);
}
return `
module.exports = \`
if (typeof window === 'undefined') {
var fluent = require('fluent');
}
var ctx = new fluent.MessageContext('${locale}', {useIsolating: false});
ctx._messages = new Map(${toJSON(context._messages)});
function translate(id, data) {
var msg = ctx.getMessage(id);
if (typeof(msg) !== 'string' && !msg.val && msg.attrs) {
msg = msg.attrs.title || msg.attrs.alt
}
return ctx.format(msg, data);
}
if (typeof window === 'undefined') {
module.exports = translate;
}
else {
window.translate = translate;
}
\``;
};