56 lines
1.1 KiB
JavaScript
56 lines
1.1 KiB
JavaScript
const { cleanup, importCost, Lang } = require("import-cost");
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process.stdin.setEncoding("utf8");
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const receive = async () => {
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let result = "";
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for await (const chunk of process.stdin) result += chunk;
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return result;
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};
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// Pad data with '|' for combined chunks to be parsable
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const give = (data) =>
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process.nextTick(() => process.stdout.write(`${JSON.stringify(data)}|`));
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const filetypes = new Map([
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["j", Lang.JAVASCRIPT],
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["s", Lang.SVELTE],
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["t", Lang.TYPESCRIPT],
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["v", Lang.VUE],
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]);
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const init = async () => {
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const [path, filetype] = process.argv.slice(2);
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const lang = filetypes.get(filetype[0]);
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const contents = await receive();
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const emitter = importCost(path, contents, lang);
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emitter.on("error", (error) => {
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give({ type: "error", error });
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cleanup();
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});
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emitter.on("calculated", ({ line, string, size, gzip }) => {
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give({
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type: "calculated",
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data: { line, string, size, gzip },
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});
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});
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// Send done to ensure job stdin stays open
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emitter.on("done", (_) => {
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give({
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type: "done",
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});
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cleanup();
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});
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};
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try {
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init();
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} catch {}
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