sanspie
5eb1832907
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44 lines
2.4 KiB
JavaScript
44 lines
2.4 KiB
JavaScript
// The additional pre-touch observation changes the timing of this diagnostic.
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// Keep the unmodified demo.mjs run as the independent production gate.
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import { createHash } from "node:crypto";
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import fs from "node:fs";
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import os from "node:os";
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import path from "node:path";
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import { spawnSync } from "node:child_process";
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if (!process.argv.some(arg => arg.startsWith("--diagnose-tab="))) throw Error("supply --diagnose-tab=/path/to/observations.json");
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if (process.argv.some(arg => arg.startsWith("--update"))) throw Error("tab diagnostics cannot update image references");
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const source = fs.readFileSync(new URL("./demo.mjs", import.meta.url), "utf8");
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if (createHash("sha256").update(source).digest("hex") !== "1ea93f4582c046841014292057530212ea3988f04042b617ea631bbaf6a55ced") {
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throw Error("the official smoke changed; review the diagnostic instrumentation before use");
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}
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let code = source;
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for (const dep of ["playwright-core", "pixelmatch", "pngjs"]) {
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code = code.replace('from "' + dep + '"', "from " + JSON.stringify(import.meta.resolve(dep)));
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}
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code = code.replace("async function frameLimit() {", `
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const samples = [];
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const tabState = () => page.evaluate(() => {
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const canvas = document.getElementById("game");
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return {time: performance.now(), frames: aegoGame.frames(), hidden: document.hidden,
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focus: document.hasFocus(), dpr: devicePixelRatio, buffer: [canvas.width, canvas.height]};
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});
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async function frameLimit(phase = "after-touch") {`);
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code = code.replace(" const f0 =", " const start = await tabState();\n const f0 =");
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code = code.replace(" if (fps < 26", ` const end = await tabState();
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samples.push({phase, start, end, originalFPS: fps, elapsedFPS: 1000 * (end.frames-start.frames)/(end.time-start.time)});
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fs.writeFileSync(opts["diagnose-tab"], JSON.stringify(samples, null, 2));
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if (phase === "before-touch") return;
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if (fps < 26`);
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code = code.replace(" await touchPad();", ' await frameLimit("before-touch");\n await touchPad();');
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const dir = fs.mkdtempSync(path.join(os.tmpdir(), "aego-tab-probe-"));
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try {
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const script = path.join(dir, "probe.mjs");
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fs.writeFileSync(script, code);
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const child = spawnSync(process.execPath, [script, ...process.argv.slice(2)], {stdio: "inherit"});
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if (child.error) throw child.error;
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process.exitCode = child.status ?? 1;
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} finally {
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fs.rmSync(dir, {recursive: true, force: true});
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}
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