Nick SzaunigandClaude Opus 5.5
2207bd2e67
scripts/check-3d-budget.mjs misst den three.js-Chunk (Marker WebGLRenderer und __THREE__) mit gzip -9 und bricht den Image-Build ab, wenn er 320 kB übersteigt oder nicht gefunden wird. Heute 299 kB. Co-Authored-By: Claude Opus 5.5 (1M context) <[email protected]>
52 lines
1.9 KiB
TypeScript
52 lines
1.9 KiB
TypeScript
// @vitest-environment node
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import { mkdtempSync, rmSync, writeFileSync } from "node:fs";
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import { randomBytes } from "node:crypto";
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import { tmpdir } from "node:os";
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import path from "node:path";
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import { afterEach, beforeEach, describe, expect, it } from "vitest";
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import { BUDGET_BYTES, checkBudget } from "./check-3d-budget.mjs";
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const threeChunk = (filler: string) => `/*WebGLRenderer*/window.__THREE__="186";${filler}`;
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// Hex of random bytes is barely compressible by gzip (about 50 %).
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const noise = (bytes: number) => randomBytes(bytes).toString("hex");
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describe("check-3d-budget", () => {
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let dir: string;
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beforeEach(() => {
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dir = mkdtempSync(path.join(tmpdir(), "budget-"));
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});
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afterEach(() => rmSync(dir, { recursive: true, force: true }));
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it("passes when the three.js chunk is under budget", () => {
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writeFileSync(path.join(dir, "a.js"), threeChunk("x".repeat(1000)));
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writeFileSync(path.join(dir, "other.js"), "console.log(1)");
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const result = checkBudget(dir);
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expect(result.ok).toBe(true);
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expect(result.file).toBe("a.js");
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});
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it("fails when the three.js chunk is over budget", () => {
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writeFileSync(path.join(dir, "big.js"), threeChunk(noise(1000)));
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const result = checkBudget(dir, 100);
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expect(result.ok).toBe(false);
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expect(result.gzipBytes).toBeGreaterThan(100);
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});
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it("measures the largest of several three.js chunks", () => {
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writeFileSync(path.join(dir, "small.js"), threeChunk("x"));
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writeFileSync(path.join(dir, "large.js"), threeChunk(noise(2000)));
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expect(checkBudget(dir).file).toBe("large.js");
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});
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it("fails when no three.js chunk exists", () => {
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writeFileSync(path.join(dir, "app.js"), "export const a = 1; // WebGLRenderer only");
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const result = checkBudget(dir);
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expect(result.ok).toBe(false);
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expect(result.file).toBeNull();
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});
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it("uses the spec budget of 320 kB by default", () => {
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expect(BUDGET_BYTES).toBe(320_000);
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});
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});
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