Timothy J. Aveni
70 lines
3.1 KiB
JavaScript
70 lines
3.1 KiB
JavaScript
import { createRequire } from "node:module";
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import path from "node:path";
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// Resolve build dependencies from the package's locked node_modules, not from
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// the helper's own Nix-store location. This program runs only during the build.
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const require = createRequire(path.join(process.cwd(), "package.json"));
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const { build } = require("esbuild");
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const options = JSON.parse(process.argv[2]);
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const platform = new Map([
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["react", "/__quixos/platform/react/v18.mjs"],
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["react/jsx-runtime", "/__quixos/platform/react-jsx-runtime/v18.mjs"],
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["react/jsx-dev-runtime", "/__quixos/platform/react-jsx-dev-runtime/v18.mjs"],
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["@quixos/web-studio-react-runtime", "/__quixos/platform/web-studio-react-runtime/v1.mjs"],
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]);
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await build({
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...options,
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plugins: [
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{
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name: "quixos-browser-source",
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setup(api) {
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api.onResolve({ filter: /\?browser-source$/ }, async ({ path: specifier, resolveDir }) => {
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if (!specifier.startsWith("./") && !specifier.startsWith("../"))
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throw new Error("Browser source imports must name a relative compiled module");
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const resolved = await api.resolve(specifier.slice(0, -"?browser-source".length), {
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resolveDir,
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kind: "import-statement",
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});
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if (resolved.errors.length) return { errors: resolved.errors };
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return { path: resolved.path, namespace: "browser-source" };
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});
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api.onLoad({ filter: /.*/, namespace: "browser-source" }, async ({ path: entry }) => {
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const browser = await build({
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entryPoints: [entry],
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bundle: true,
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write: false,
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outfile: "component.mjs",
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format: "esm",
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platform: "browser",
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target: "es2022",
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metafile: true,
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plugins: [
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{
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name: "quixos-platform",
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setup(browserApi) {
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browserApi.onResolve({ filter: /.*/ }, ({ path: name }) =>
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platform.has(name) ? { path: platform.get(name), external: true } : undefined,
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);
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},
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},
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],
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});
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const js = browser.outputFiles.find((file) => file.path.endsWith(".mjs"));
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if (!js) throw new Error("Browser source build produced no JavaScript");
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const css = browser.outputFiles.find((file) => file.path.endsWith(".css"));
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if (css && Object.values(browser.metafile.outputs).some((output) => output.exports?.includes("styles")))
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throw new Error("Use either imported CSS or an explicit styles export, not both");
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if (browser.outputFiles.some((file) => !file.path.endsWith(".mjs") && !file.path.endsWith(".css")))
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throw new Error("Browser assets must be embedded, not emitted as unserved files");
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const source = js.text + (css ? `\nexport const styles = ${JSON.stringify(css.text)};\n` : "");
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return {
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contents: `export default ${JSON.stringify(source)};`,
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loader: "js",
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watchFiles: Object.keys(browser.metafile.inputs),
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};
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});
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},
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},
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],
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});
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