57 lines
3.0 KiB
JavaScript
57 lines
3.0 KiB
JavaScript
import crypto from "node:crypto";
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import fs from "node:fs";
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import path from "node:path";
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import { spawnSync } from "node:child_process";
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const root = path.resolve(import.meta.dirname, "../..");
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const arg = (name, fallback = null) => {
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const index = process.argv.indexOf(name);
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return index >= 0 ? process.argv[index + 1] : fallback;
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};
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const wasmSplit = path.join(root, ".emsdk/upstream/bin/wasm-split");
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const input = arg("--input", "web/app/public/vendor/blender/web_engine.wasm");
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const outputDir = arg("--output-dir", "web/app/public/vendor/blender/modules");
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const manifestPath = arg("--manifest", "web/app/public/wasm-module-manifest.json");
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const splitFunctions = arg("--split-funcs", "web_engine_get_live_handles");
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if (!fs.existsSync(path.join(root, input))) throw new Error(`WASM input is missing: ${input}`);
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if (!fs.existsSync(wasmSplit)) throw new Error(`wasm-split is missing: ${wasmSplit}`);
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const destination = path.join(root, outputDir);
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fs.mkdirSync(destination, { recursive: true });
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const stem = path.basename(input, ".wasm");
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const primary = path.join(destination, `${stem}.primary.wasm`);
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const secondary = path.join(destination, `${stem}.secondary.wasm`);
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const result = spawnSync(wasmSplit, [
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"--split", "--all-features", "--split-funcs", splitFunctions,
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"--primary-output", primary,
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"--secondary-output", secondary,
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path.join(root, input),
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], { cwd: root, encoding: "utf8" });
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if (result.status !== 0 || !fs.existsSync(primary) || !fs.existsSync(secondary)) {
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throw new Error(`wasm-split failed (${result.status}):\n${result.stdout ?? ""}${result.stderr ?? ""}`);
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}
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const digest = (file) => crypto.createHash("sha256").update(fs.readFileSync(file)).digest("hex");
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const variant = input.includes("/pthread/") ? "pthread" : "single";
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if (fs.existsSync(path.join(root, manifestPath))) {
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const manifestFile = path.join(root, manifestPath);
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const manifest = JSON.parse(fs.readFileSync(manifestFile, "utf8"));
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const debug = manifest.modules?.find((entry) => entry.id === "debug-incremental");
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const secondaryEntry = manifest.modules?.find((entry) => entry.id === "debug-incremental-secondary");
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if (debug?.resources?.[variant]) {
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debug.resources[variant].sha256 = digest(path.join(root, input));
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debug.resources[variant].url = `/${input.replace(/^web\/app\/public\//u, "")}`;
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}
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if (secondaryEntry?.resources?.[variant]) {
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secondaryEntry.resources[variant].fileName = path.basename(secondary);
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secondaryEntry.resources[variant].url = `/${path.relative(path.join(root, "web/app/public"), secondary).replaceAll(path.sep, "/")}`;
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secondaryEntry.resources[variant].sha256 = digest(secondary);
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}
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fs.writeFileSync(manifestFile, `${JSON.stringify(manifest, null, 2)}\n`);
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}
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console.log(JSON.stringify({
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status: "PASS",
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input,
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splitFunctions: splitFunctions.split(",").filter(Boolean),
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primary: { path: path.relative(root, primary), bytes: fs.statSync(primary).size, sha256: digest(primary) },
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secondary: { path: path.relative(root, secondary), bytes: fs.statSync(secondary).size, sha256: digest(secondary) },
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}, null, 2));
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