@mochi.js/profiles - npm Package Compare versions

Comparing version 0.1.1 to 0.2.0

data/linux-chrome-stable/expected-divergences.json

@@ -111,3 +111,3 @@ {
       "path": "bot.chromeRuntime",
-      "comment": "Real Chrome exposes window.chrome.runtime; Chromium-for-Testing does not. Restoring chrome.runtime polyfill is task 0140 (stealth conformance) — tracked separately."
+      "comment": "Real Chrome exposes window.chrome.runtime; Chromium-for-Testing does not. Restoring chrome.runtime polyfill."
     },
@@ -114,0 +114,0 @@ {

data/linux-chrome-stable/profile.json

@@ -19,9 +19,9 @@ {
     "model": "generic-x64",
-    "cpuFamily": "intel-core",
-    "cores": 32,
-    "memoryGB": 64
+    "cpuFamily": "intel-core-i7",
+    "cores": 8,
+    "memoryGB": 16
   },
   "display": {
-    "width": 1280,
-    "height": 800,
+    "width": 1920,
+    "height": 1080,
     "dpr": 1,
@@ -32,6 +32,6 @@ "colorDepth": 24,
   "gpu": {
-    "vendor": "Google Inc.",
-    "renderer": "Generic Renderer",
-    "webglUnmaskedVendor": "Google Inc.",
-    "webglUnmaskedRenderer": "ANGLE (Generic)",
+    "vendor": "Intel Inc.",
+    "renderer": "Intel Iris Xe Graphics",
+    "webglUnmaskedVendor": "Google Inc. (Intel Inc.)",
+    "webglUnmaskedRenderer": "ANGLE (Intel Inc., Intel Iris Xe Graphics, OpenGL 4.1)",
     "webglMaxTextureSize": 16384,
@@ -77,3 +77,3 @@ "webglMaxColorAttachments": 8,
   "uaCh": {
-    "sec-ch-ua": "\"Chromium\";v=\"147\", \"Not.A/Brand\";v=\"8\"",
+    "sec-ch-ua": "\"Google Chrome\";v=\"147\", \"Not.A/Brand\";v=\"8\", \"Chromium\";v=\"147\"",
     "sec-ch-ua-mobile": "?0",
@@ -85,4 +85,3 @@ "sec-ch-ua-platform": "\"Linux\"",
     "sec-ch-ua-model": "\"\"",
-    "sec-ch-ua-full-version": "\"147\"",
-    "sec-ch-ua-os": "\"linux\""
+    "sec-ch-ua-full-version": "\"147.0.7727.138\""
   },
@@ -89,0 +88,0 @@ "entropyBudget": {

data/linux-chrome-stable/PROVENANCE.md

@@ -15,3 +15,3 @@ # PROVENANCE — linux-chrome-stable
 | imported at (UTC) | 2026-05-08T20:50:37.035Z |
-| importer | `mochi profiles import` (task 0260) |
+| importer | `mochi profiles import` |
 
@@ -28,3 +28,3 @@ ## Multi-snapshot policy
 
-None at import time. The harvester's `navigator` snapshot is captured by real Chrome (not headless), so the `--headless=new` artifacts that needed manual correction in `mac-m4-chrome-stable` (task 0070) are absent here.
+None at import time. The harvester's `navigator` snapshot is captured by real Chrome (not headless), so the `--headless=new` artifacts that needed manual correction in `mac-m4-chrome-stable` are absent here.
 

data/mac-brave-stable/expected-divergences.json

@@ -111,3 +111,3 @@ {
       "path": "bot.chromeRuntime",
-      "comment": "Real Chrome exposes window.chrome.runtime; Chromium-for-Testing does not. Restoring chrome.runtime polyfill is task 0140 (stealth conformance) — tracked separately."
+      "comment": "Real Chrome exposes window.chrome.runtime; Chromium-for-Testing does not. Restoring chrome.runtime polyfill."
     },
@@ -114,0 +114,0 @@ {

data/mac-brave-stable/PROVENANCE.md

@@ -15,3 +15,3 @@ # PROVENANCE — mac-brave-stable
 | imported at (UTC) | 2026-05-08T20:50:38.368Z |
-| importer | `mochi profiles import` (task 0260) |
+| importer | `mochi profiles import` |
 
@@ -28,3 +28,3 @@ ## Multi-snapshot policy
 
-None at import time. The harvester's `navigator` snapshot is captured by real Chrome (not headless), so the `--headless=new` artifacts that needed manual correction in `mac-m4-chrome-stable` (task 0070) are absent here.
+None at import time. The harvester's `navigator` snapshot is captured by real Chrome (not headless), so the `--headless=new` artifacts that needed manual correction in `mac-m4-chrome-stable` are absent here.
 

data/mac-chrome-beta/expected-divergences.json

@@ -111,3 +111,3 @@ {
       "path": "bot.chromeRuntime",
-      "comment": "Real Chrome exposes window.chrome.runtime; Chromium-for-Testing does not. Restoring chrome.runtime polyfill is task 0140 (stealth conformance) — tracked separately."
+      "comment": "Real Chrome exposes window.chrome.runtime; Chromium-for-Testing does not. Restoring chrome.runtime polyfill."
     },
@@ -114,0 +114,0 @@ {

data/mac-chrome-beta/PROVENANCE.md

@@ -15,3 +15,3 @@ # PROVENANCE — mac-chrome-beta
 | imported at (UTC) | 2026-05-08T20:50:35.794Z |
-| importer | `mochi profiles import` (task 0260) |
+| importer | `mochi profiles import` |
 
@@ -28,3 +28,3 @@ ## Multi-snapshot policy
 
-None at import time. The harvester's `navigator` snapshot is captured by real Chrome (not headless), so the `--headless=new` artifacts that needed manual correction in `mac-m4-chrome-stable` (task 0070) are absent here.
+None at import time. The harvester's `navigator` snapshot is captured by real Chrome (not headless), so the `--headless=new` artifacts that needed manual correction in `mac-m4-chrome-stable` are absent here.
 

data/mac-chrome-stable/expected-divergences.json

@@ -111,3 +111,3 @@ {
       "path": "bot.chromeRuntime",
-      "comment": "Real Chrome exposes window.chrome.runtime; Chromium-for-Testing does not. Restoring chrome.runtime polyfill is task 0140 (stealth conformance) — tracked separately."
+      "comment": "Real Chrome exposes window.chrome.runtime; Chromium-for-Testing does not. Restoring chrome.runtime polyfill."
     },
@@ -114,0 +114,0 @@ {

data/mac-chrome-stable/PROVENANCE.md

@@ -15,3 +15,3 @@ # PROVENANCE — mac-chrome-stable
 | imported at (UTC) | 2026-05-08T20:50:33.447Z |
-| importer | `mochi profiles import` (task 0260) |
+| importer | `mochi profiles import` |
 
@@ -28,3 +28,3 @@ ## Multi-snapshot policy
 
-None at import time. The harvester's `navigator` snapshot is captured by real Chrome (not headless), so the `--headless=new` artifacts that needed manual correction in `mac-m4-chrome-stable` (task 0070) are absent here.
+None at import time. The harvester's `navigator` snapshot is captured by real Chrome (not headless), so the `--headless=new` artifacts that needed manual correction in `mac-m4-chrome-stable` are absent here.
 

data/mac-m4-chrome-stable/PROVENANCE.md

@@ -17,3 +17,3 @@ # PROVENANCE — mac-m4-chrome-stable
 
-- 2026-05-08, task 0051: `uaCh.sec-ch-ua-model` corrected from `"\"Mac\""`
+- 2026-05-08, `uaCh.sec-ch-ua-model` corrected from `"\"Mac\""`
   to `"\"\""` (empty quoted string). Real Chrome 147 desktop reports
@@ -26,3 +26,3 @@ `model: ""` from `getHighEntropyValues`; the v0.4 capture incorrectly
 
-- 2026-05-08, task 0070: headless-mode-leak corrections in
+- 2026-05-08, headless-mode-leak corrections in
   `baseline.manifest.json` + `profile.json`. The original capture ran
@@ -29,0 +29,0 @@ against `--headless=new` Chromium-for-Testing, which emits several

data/windows-chrome-stable/expected-divergences.json

@@ -111,3 +111,3 @@ {
       "path": "bot.chromeRuntime",
-      "comment": "Real Chrome exposes window.chrome.runtime; Chromium-for-Testing does not. Restoring chrome.runtime polyfill is task 0140 (stealth conformance) — tracked separately."
+      "comment": "Real Chrome exposes window.chrome.runtime; Chromium-for-Testing does not. Restoring chrome.runtime polyfill."
     },
@@ -114,0 +114,0 @@ {

data/windows-chrome-stable/PROVENANCE.md

@@ -15,3 +15,3 @@ # PROVENANCE — windows-chrome-stable
 | imported at (UTC) | 2026-05-08T20:50:36.301Z |
-| importer | `mochi profiles import` (task 0260) |
+| importer | `mochi profiles import` |
 
@@ -28,3 +28,3 @@ ## Multi-snapshot policy
 
-None at import time. The harvester's `navigator` snapshot is captured by real Chrome (not headless), so the `--headless=new` artifacts that needed manual correction in `mac-m4-chrome-stable` (task 0070) are absent here.
+None at import time. The harvester's `navigator` snapshot is captured by real Chrome (not headless), so the `--headless=new` artifacts that needed manual correction in `mac-m4-chrome-stable` are absent here.
 

package.json

 {
   "name": "@mochi.js/profiles",
-  "version": "0.1.1",
+  "version": "0.2.0",
   "description": "Profile data fixtures for mochi — captured baselines (profile.json + Probe Manifest + audio bytes + canvas hashes) per device class.",
@@ -42,3 +42,3 @@ "license": "MIT",
   "dependencies": {
-    "@mochi.js/consistency": "^0.1.3"
+    "@mochi.js/consistency": "^0.1.4"
   },
@@ -45,0 +45,0 @@ "publishConfig": {

src/__tests__/smoke.test.ts

 import { describe, expect, it } from "bun:test";
-import { getProfile, KNOWN_PROFILE_IDS, VERSION } from "../index";
+import {
+  getProfile,
+  hasProfile,
+  KNOWN_PROFILE_IDS,
+  ProfileBaselineMissingError,
+  UnknownProfileIdError,
+  VERSION,
+} from "../index";
 
-describe("@mochi.js/profiles (claim release)", () => {
+describe("@mochi.js/profiles", () => {
   it("exports VERSION", () => {
@@ -14,5 +21,48 @@ expect(VERSION).toMatch(/^\d+\.\d+\.\d+/);
 
-  it("getProfile throws until phase 0.4", () => {
-    expect(() => getProfile("mac-m2-chrome-stable")).toThrow(/not yet implemented/);
+  it("getProfile loads a captured baseline (linux-chrome-stable)", async () => {
+    const p = await getProfile("linux-chrome-stable");
+    expect(p.id).toBe("linux-chrome-stable");
+    expect(p.engine).toBe("chromium");
+    // The captured Linux baseline pins Chrome 147 — guards against the
+    // regression where launch.ts's placeholder shipped Chrome/131 to users.
+    expect(p.browser.name).toBe("chrome");
+    expect(Number.parseInt(p.browser.minVersion, 10)).toBeGreaterThanOrEqual(147);
+    expect(p.os.name).toBe("linux");
+    expect(p.userAgent).toMatch(/Chrome\/\d+/);
   });
+
+  it("getProfile loads every captured baseline declared in PROFILES_WITH_CAPTURED_BASELINE", async () => {
+    // Sanity: every id reported as having a baseline by hasProfile() must
+    // also load via getProfile() without throwing.
+    for (const id of KNOWN_PROFILE_IDS) {
+      const has = await hasProfile(id);
+      if (!has) continue;
+      const p = await getProfile(id);
+      expect(p.id).toBe(id);
+    }
+  });
+
+  it("hasProfile returns true for ids with a captured baseline", async () => {
+    expect(await hasProfile("linux-chrome-stable")).toBe(true);
+    expect(await hasProfile("mac-m4-chrome-stable")).toBe(true);
+  });
+
+  it("hasProfile returns false for known ids without a captured baseline", async () => {
+    expect(await hasProfile("mac-m2-chrome-stable")).toBe(false);
+  });
+
+  it("hasProfile returns false for unknown ids", async () => {
+    expect(await hasProfile("not-a-real-profile-id")).toBe(false);
+  });
+
+  it("getProfile throws ProfileBaselineMissingError for known ids without a baseline", async () => {
+    await expect(getProfile("mac-m2-chrome-stable")).rejects.toThrow(ProfileBaselineMissingError);
+  });
+
+  it("getProfile throws UnknownProfileIdError for ids outside the catalog", async () => {
+    // Cast through unknown — callers using `as ProfileId` may slip past TS.
+    await expect(getProfile("not-a-real-profile-id" as never)).rejects.toThrow(
+      UnknownProfileIdError,
+    );
+  });
 });

src/generated/profile.ts

 // AUTO-GENERATED — do not edit. Run `bun run codegen` to regenerate.
-// Source schema lives in schemas/. See scripts/codegen.ts and tasks/0003-schemas-and-codegen.md.
+// Source schema lives in schemas/. See scripts/codegen.ts.
 // Re-export of the canonical ProfileV1 type from @mochi.js/consistency.
@@ -4,0 +4,0 @@ // @mochi.js/profiles is a data-fixture package; the type lives in consistency

src/index.ts

@@ -11,6 +11,6 @@ /**
  *
- * v0.0.1 claim release; first profile (`mac-m2-chrome-stable`) lands in phase 0.4.
- *
  * @see PLAN.md §5.6 and §12
  */
+import { join } from "node:path";
+
 export const VERSION = "0.0.1" as const;
@@ -23,2 +23,4 @@
 
+import type { ProfileV1 } from "./generated/profile";
+
 /** ProfileV1 IDs that ship in the v1 catalog. */
@@ -33,3 +35,3 @@ export const KNOWN_PROFILE_IDS = [
   "linux-chrome-stable",
-  // Imported from harvester corpus per task 0260.
+  // Imported from harvester corpus per
   "mac-chrome-stable",
@@ -44,9 +46,103 @@ "mac-chrome-beta",
 /**
- * Resolve a profile by id. Lands in phase 0.4 when the first baseline is captured.
+ * The subset of {@link KNOWN_PROFILE_IDS} for which a captured baseline
+ * (`data/<id>/profile.json`) actually ships in the npm package. The rest are
+ * declared in the catalog so the type system tracks them, but {@link getProfile}
+ * throws {@link ProfileBaselineMissingError} for those — callers should
+ * fall back to a placeholder synthesis (see `@mochi.js/core.launch`'s
+ * `synthesizePlaceholderProfile` for the pattern).
  */
-export function getProfile(_id: ProfileId): never {
-  throw new Error(
-    "@mochi.js/profiles.getProfile is not yet implemented (v0.0.1 claim). " +
-      "Lands in phase 0.4; see PLAN.md §12.",
-  );
+const PROFILES_WITH_CAPTURED_BASELINE: ReadonlySet<ProfileId> = new Set([
+  "mac-m4-chrome-stable",
+  "mac-chrome-stable",
+  "mac-chrome-beta",
+  "linux-chrome-stable",
+  "mac-brave-stable",
+  "windows-chrome-stable",
+]);
+
+/** Thrown when `id` isn't in {@link KNOWN_PROFILE_IDS} at all. */
+export class UnknownProfileIdError extends Error {
+  override readonly name = "UnknownProfileIdError";
+  readonly id: string;
+  constructor(id: string) {
+    super(
+      `@mochi.js/profiles: unknown profile id "${id}". ` +
+        `Expected one of: ${KNOWN_PROFILE_IDS.join(", ")}.`,
+    );
+    this.id = id;
+  }
 }
+
+/**
+ * Thrown when `id` is a known catalog entry but no captured baseline
+ * (`data/<id>/profile.json`) ships in the package — typically a
+ * declared-but-not-yet-captured device class. Callers may catch this
+ * and fall back to a synthesized placeholder profile.
+ */
+export class ProfileBaselineMissingError extends Error {
+  override readonly name = "ProfileBaselineMissingError";
+  readonly id: ProfileId;
+  constructor(id: ProfileId) {
+    super(
+      `@mochi.js/profiles: profile "${id}" is declared in KNOWN_PROFILE_IDS ` +
+        `but no captured baseline ships in the package. ` +
+        `Profiles with captured baselines: ${[...PROFILES_WITH_CAPTURED_BASELINE].join(", ")}.`,
+    );
+    this.id = id;
+  }
+}
+
+/** True when `id` is a known catalog entry. */
+function isKnownProfileId(id: string): id is ProfileId {
+  return (KNOWN_PROFILE_IDS as readonly string[]).includes(id);
+}
+
+/**
+ * True when {@link getProfile} can successfully load `id` (i.e. the id is
+ * known AND a captured baseline ships). Useful for callers that want to
+ * decide between the real-baseline path and a placeholder synthesis without
+ * catching exceptions.
+ */
+export async function hasProfile(id: string): Promise<boolean> {
+  if (!isKnownProfileId(id)) return false;
+  if (!PROFILES_WITH_CAPTURED_BASELINE.has(id)) return false;
+  return await Bun.file(profilePath(id)).exists();
+}
+
+/**
+ * Resolve a profile by id, loading the captured `data/<id>/profile.json`
+ * baseline that ships with this package.
+ *
+ * Throws:
+ *   - {@link UnknownProfileIdError} if `id` isn't in {@link KNOWN_PROFILE_IDS}.
+ *   - {@link ProfileBaselineMissingError} if `id` is known but no baseline
+ *     ships in the package — callers may fall back to a placeholder.
+ */
+export async function getProfile(id: ProfileId): Promise<ProfileV1> {
+  if (!isKnownProfileId(id)) {
+    // Defensive: callers using `as ProfileId` may sneak unknown values past
+    // the type system. Surface a precise error rather than a file-not-found.
+    throw new UnknownProfileIdError(id);
+  }
+  if (!PROFILES_WITH_CAPTURED_BASELINE.has(id)) {
+    throw new ProfileBaselineMissingError(id);
+  }
+  const file = Bun.file(profilePath(id));
+  if (!(await file.exists())) {
+    // Inconsistency between the in-source set and the on-disk data —
+    // surface as the same baseline-missing error so callers' fallback
+    // logic still kicks in. This shouldn't happen in published builds.
+    throw new ProfileBaselineMissingError(id);
+  }
+  return (await file.json()) as ProfileV1;
+}
+
+/**
+ * Absolute path to a profile's captured `profile.json`. Uses
+ * `import.meta.dir` so the lookup works both in-source (running from
+ * `packages/profiles/src/`) and after publish (the `data/` dir ships as a
+ * sibling of `src/` per the package's `files` array).
+ */
+function profilePath(id: ProfileId): string {
+  return join(import.meta.dir, "..", "data", id, "profile.json");
+}

No alert changes

Improved metrics

Total package byte prevSize

321823

1.64%

Lines of code

11173

1.19%

Dependency changes

• Updated

  @mochi.js/consistency@^0.1.4