43 lines
1.2 KiB
JavaScript
43 lines
1.2 KiB
JavaScript
import fs from "node:fs/promises";
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import { visualizer as esbuildVisualizer } from "esbuild-visualizer/dist/plugin/index.js";
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export default function esbuildPluginVisualizer({ formats }) {
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formats = Object.fromEntries(formats.map((format) => [format, true]));
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return {
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name: "visualizer",
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setup(build) {
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const { initialOptions: esbuildConfig, esbuild } = build;
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esbuildConfig.metafile = true;
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build.onEnd(async ({ metafile }) => {
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const files = Object.keys(metafile.outputs);
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if (files.length !== 1) {
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throw new Error("Unexpected `outputs`.");
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}
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if (formats.text || formats.stdout) {
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const report = await esbuild.analyzeMetafile(metafile);
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if (formats.stdout) {
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console.log(report);
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}
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if (formats.text) {
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await fs.writeFile(`${esbuildConfig.outfile}.report.txt`, report);
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}
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}
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if (formats.html) {
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const report = await esbuildVisualizer(metafile, {
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title: files[0],
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});
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await fs.writeFile(`${esbuildConfig.outfile}.report.html`, report);
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}
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});
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},
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};
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}
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