zulip/frontend_tests/zjsunit/handlebars.js

53 lines
1.7 KiB
JavaScript

const fs = require("fs");
const path = require("path");
const templates_path = path.resolve(__dirname, "../../static/templates");
let render;
exports.make_handlebars = () => {
// Create a new Handlebars instance.
const Handlebars = require("handlebars/dist/cjs/handlebars.js");
const hb = Handlebars.create();
const compiled = new Set();
const compileFile = filename => {
const name = "$" + path.relative(templates_path, filename);
if (!compiled.has(name)) {
compiled.add(name);
hb.registerPartial(
name,
hb.compile(fs.readFileSync(filename, "utf-8"), { preventIndent: true, zjsFilename: filename })
);
}
return name;
};
class ZJavaScriptCompiler extends hb.JavaScriptCompiler {
nameLookup(parent, name, type) {
// Auto-register partials with relative paths, like handlebars-loader.
if (type === "partial" && name !== "@partial-block") {
name = compileFile(path.resolve(path.dirname(this.options.zjsFilename), name + ".hbs"));
}
return super.nameLookup(parent, name, type);
}
}
ZJavaScriptCompiler.prototype.compiler = ZJavaScriptCompiler;
hb.JavaScriptCompiler = ZJavaScriptCompiler;
render = (filename, ...args) => hb.partials[compileFile(filename)](...args);
return hb;
};
exports.stub_templates = stub => {
render = (filename, ...args) => {
const name = path.relative(templates_path, filename).slice(0, -".hbs".length);
return stub(name, ...args);
};
};
require.extensions[".hbs"] = (module, filename) => {
module.exports = (...args) => render(filename, ...args);
};