zulip/web/tests/lib/handlebars.cjs

52 lines
1.6 KiB
JavaScript

"use strict";
const fs = require("node:fs");
const path = require("node:path");
const Handlebars = require("handlebars");
const {SourceMapConsumer, SourceNode} = require("source-map");
const hb = Handlebars.create();
class ZJavaScriptCompiler extends hb.JavaScriptCompiler {
nameLookup(parent, name, type) {
// Auto-register partials with relative paths, like handlebars-loader.
if (type === "partial" && name !== "@partial-block") {
const filename = path.resolve(path.dirname(this.options.srcName), name + ".hbs");
return ["require(", JSON.stringify(filename), ")"];
}
return super.nameLookup(parent, name, type);
}
}
ZJavaScriptCompiler.prototype.compiler = ZJavaScriptCompiler;
hb.JavaScriptCompiler = ZJavaScriptCompiler;
function compile_hbs(module, filename) {
const code = fs.readFileSync(filename, "utf8");
const pc = hb.precompile(code, {
preventIndent: true,
srcName: filename,
strict: true,
explicitPartialContext: true,
});
const node = new SourceNode();
node.add([
'const Handlebars = require("handlebars/runtime.js");\n',
"module.exports = Handlebars.template(",
SourceNode.fromStringWithSourceMap(pc.code, new SourceMapConsumer(pc.map)),
");\n",
]);
const out = node.toStringWithSourceMap();
module._compile(
out.code +
"\n//# sourceMappingURL=data:application/json;charset=utf-8;base64," +
Buffer.from(out.map.toString()).toString("base64"),
filename,
);
}
exports.hook_require = () => {
require.extensions[".hbs"] = compile_hbs;
};