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