test(thumbnail): [PKG-TOOL-THUMB-01] freeze recovered release and workspace contracts

2026-10-26 08:51:20 -08:00 · 2026-09-13 03:16:30 +08:00
1 parent cb6c767731
commit 0338e0b8b1
@@ -0,0 +1,79 @@
+{
+  "schemaVersion": 1,
+  "task": "PKG-TOOL-THUMB-01",
+  "verifiedAt": "2026-09-12T19:16:08.007Z",
+  "startedFrom": "cb6c7677319f22074ae2ec09989022ddf0f8ea87",
+  "runtime": {
+    "node": "v24.21.0",
+    "yarn": "1.22.22",
+    "platform": "win32"
+  },
+  "checks": {
+    "contract": {
+      "passed": 26,
+      "failed": 0,
+      "skipped": 0
+    },
+    "focusedLint": {
+      "exitCode": 0
+    },
+    "ci": {
+      "exitCode": 0,
+      "unit": 1365,
+      "engineering": 14,
+      "baseline": 191,
+      "total": 1570,
+      "productionTs": 330
+    }
+  },
+  "inputs": [
+    {
+      "file": "refactor/baselines/thumbnail-release.json",
+      "sha256": "ad02af2abdb3185598b76a0c617eb5a5ffc89f89a7ef6f01ba8f3db0a87012be",
+      "algorithm": "sha256-lf"
+    },
+    {
+      "file": "refactor/baselines/thumbnail-contract.md",
+      "sha256": "7048d504335f4e39c39d833bae36e7a3c6fccc6ad29d475781ca84158ff23278",
+      "algorithm": "sha256-lf"
+    },
+    {
+      "file": "refactor/scripts/thumbnail-contract.mjs",
+      "sha256": "14ab6157f14bac00ecc4974f67e7afbe98001e7f6490e94da7839bf4556837fb",
+      "algorithm": "sha256-lf"
+    },
+    {
+      "file": "refactor/scripts/thumbnail-contract.test.mjs",
+      "sha256": "77786d54a20a485203812be9145c13f1a9cbca62d3180993e6cc6ee296cb7437",
+      "algorithm": "sha256-lf"
+    },
+    {
+      "file": "test/helpers/thumbnail.js",
+      "sha256": "18d3ab1a73867399ec32e99ba2c60a0427289fe9773e8cee6284e1d699520ed8",
+      "algorithm": "sha256-lf"
+    }
+  ],
+  "logs": [
+    {
+      "file": "refactor/.cache/thumbnail01-contract.log",
+      "sha256": "c4b44783bffb1a997614d0ff5677d253a536302a1ef05c4d9fd975fd8effd75b",
+      "algorithm": "sha256-lf"
+    },
+    {
+      "file": "refactor/.cache/thumbnail01-lint.log",
+      "sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+      "algorithm": "sha256-lf"
+    },
+    {
+      "file": "refactor/.cache/thumbnail01-ci.log",
+      "sha256": "fb0c351f0697efc3059f86f5efb7deb4a2ad25810e4733fc1a3054368c61d76c",
+      "algorithm": "sha256-lf"
+    }
+  ],
+  "limitations": [
+    "Controlled DOM/media only; no new browser or coverage run.",
+    "Original npm archive unavailable; recovered CDN main verified byte-for-byte against frozen Git.",
+    "No production source/build/manifest/type changes; default compatibility decision and resource fixes remain open.",
+    "Existing generated core editor lint warning and Yarn url.parse deprecation remain; no new focused lint warnings."
+  ]
+}
@@ -0,0 +1,92 @@
+# Thumbnail tool compatibility baseline
+
+Task: PKG-TOOL-THUMB-01. This is a contract inventory, not completion of the
+runtime migration or release acceptance. No production source or build output
+changes in this task. Run `node --test refactor/scripts/thumbnail-contract.test.mjs`.
+
+## Evidence and version boundaries
+
+`thumbnail-release.json` freezes 11 HTTP observations, 12 baseline workspace Git
+inputs and 8 historical Git inputs. The verifier checks bytes/hashes and core
+associations without accessing the network. Registry observations are dated
+snapshots, not permanent assertions about package availability.
+
+The registry returned unpublished metadata, listing releases through 3.5.31 and
+an unpublish timestamp of 2024-05-26T01:46:10.518Z. Version metadata and original
+tarballs for 3.5.31 and 4.4.0 were unavailable. Cached jsDelivr 3.5.31 package.json
+and main JS were recovered. The main JS is byte-identical to Git commit
+af1a116a31b088efdd77afa81c4b6565d12bd162; its manifest matches that commit except
+Git's stale gitHead field. This proves the recovered runtime identity, **not a
+complete original npm archive or original registry integrity**. The associated
+historical core is 3.5.31, while baseline workspace tool 4.4.0 is associated with
+core 5.4.1 at 40fcda6a37d0049d42e49c1e64e70d4fd9ba5f7f.
+
+| Surface | Recovered 3.5.31 | Baseline workspace 4.4.0 |
+| --- | --- | --- |
+| Main | Explicit dist/artplayer-tool-thumbnail.js | No main; require/default exports point to existing JS |
+| ESM | No declared ESM entry | Declared .esm.js missing; actual .mjs exists |
+| Types | No declaration entry | Declared types/artplayer-tool-thumbnail.d.ts missing |
+| CSS | Declared dist/artplayer-tool-thumbnail.css; recovery returned 404 | No style entry |
+| Emitter | Declared tiny-emitter ^2.1.0, bundled into recovered main | Local src/emitter.js; provenance review remains open |
+| File event | Synchronous, before assigning video.src | Same |
+| Video event | After delay (default 300 ms) | Synchronous after assigning video.src |
+| Screenshot height | Configured height, clamped 10–1000 | Derived from source aspect ratio at start |
+| Frame completion | Configured delay per frame; final delay * 2 | oncanplay per frame; no final delay |
+| File input | Does not reset value | Resets event.target.value after load |
+| Missing metadata | Timer calls unbound this.start | Timer preserves receiver but can poll indefinitely |
+
+The missing historical CSS observation does not prove it never shipped. The
+missing workspace entries are checked against the actual frozen Git tree.
+The same constructor call cannot simultaneously preserve both versions' height
+and event timing defaults. This difference predates the refactor. Tasks 02–04
+must document a concrete compatibility decision before changing these defaults;
+there is no user approval to silently reinterpret the recovered version.
+
+## Public surface to preserve
+
+CJS exports the constructor directly, with no self-default property. Script
+global is `ArtplayerToolThumbnail`; workspace ESM has only the default export.
+The constructor accepts an option object and requires a same-realm Element in
+fileInput. A non-file-input element receives a transparent child file input.
+Unknown option fields survive setup; number/width/column clamp without rounding.
+DEFAULTS returns a fresh object and end is NaN.
+
+Keep historical spellings `creatVideo`, `creatScreenshotDate`, `creatCanvas`.
+Other methods: setup, inputChange, ondrop, loadVideo, start, download,
+errorHandle, destroy; static ondragover. Initial own fields are processing,
+option, video, duration, inputChange and ondrop in that order. file, videoUrl,
+thumbnailUrl, density and emitter e appear during use. setup/download and
+on/once/emit/off return this; loadVideo/destroy return undefined. start returns
+a promise after synchronous preflight, which can emit error and throw.
+
+Events: file(File), video(video element), canvas(canvas), update(blob URL,
+progress), done(), download(filename), error(message), destroy(). Error listeners
+run before synchronous errors escape. Emitter preserves context, listener
+snapshots and removal of once listeners by their original callback.
+
+Grid samples interval midpoints, lays rows by column and appends a 30 px footer
+with the existing attribution and geometry. Download replaces the final filename
+extension with .png; a filename without a dot currently becomes .png.
+
+## Defects and remaining validation
+
+Historical and workspace tests reproduce undefined static drop listener binding
+(the callable method is on the instance), non-idempotent destroy, and odd
+extensionless download names. Source review additionally finds unreleased old
+video URLs on replacement, no pending extraction/timer cancellation, generated
+input ownership gaps and asynchronous callback paths that can remain unsettled.
+These are repair candidates, not requirements to perpetuate defects. Task 02
+must reproduce asynchronous paths; 03 must pair fixes with regression evidence.
+
+The 26 Node contract cases use controlled DOM/media objects. They establish
+export shape, event timing, defaults, geometry and deterministic legacy behavior;
+they do not prove native decoding, seek readiness, toBlob failure behavior or
+real browser cleanup. Task 02 adds extraction/failure sequences; 05 validates
+real media and generated sheets with old/new cores; 06 verifies installed
+tarballs, old paths, CSS disposition and the actual docs editor on port 8082.
+
+The tool demo is `docs/assets/example/tool.thumbnail.js`. Current
+`docs/assets/example/thumbnail.js` is an external thumbnail plugin and must not
+be substituted. The package README's example=thumbnail link needs correction
+with final demo verification. Emitter source/license attribution needs evidence
+before classifying it as fully self-authored or removing dependency notices.
@@ -0,0 +1,172 @@
+{
+  "schemaVersion": 1,
+  "task": "PKG-TOOL-THUMB-01",
+  "capturedAt": "2026-09-12T19:02:10.350Z",
+  "sourceCommit": "40fcda6a37d0049d42e49c1e64e70d4fd9ba5f7f",
+  "observations": [
+    {
+      "url": "https://registry.npmjs.org/artplayer-tool-thumbnail",
+      "status": 200,
+      "contentType": "application/json",
+      "sha256": "1a5bbf4d14852e0dba2ed51351818bddf742a1278b46ef60366a6a544d443bcf",
+      "bytes": 2552,
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+    },
+    {
+      "url": "https://registry.npmjs.org/artplayer-tool-thumbnail/4.4.0",
+      "status": 404,
+      "contentType": "application/json",
+      "sha256": "a29f419cca9cebf83537c6e6f756310c63d1452c02a1e49b1a6869b33ef0f982",
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+      "text": "\"version not found: 4.4.0\""
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+      "status": 404,
+      "contentType": "application/json",
+      "sha256": "7b65582bd77080c46c5a306ef6108709b5b8919a678498b2d9dda8c6fcf9e49e",
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+      "url": "https://registry.npmjs.org/artplayer-tool-thumbnail/-/artplayer-tool-thumbnail-3.5.31.tgz",
+      "status": 404,
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+      "text": "{\"error\":\"Not found\"}"
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+      "url": "https://registry.npmjs.org/artplayer-tool-thumbnail/-/artplayer-tool-thumbnail-4.4.0.tgz",
+      "status": 404,
+      "contentType": "application/json",
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+      "bytes": 21,
+      "text": "{\"error\":\"Not found\"}"
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+      "url": "https://cdn.jsdelivr.net/npm/artplayer-tool-thumbnail@3.5.31/package.json",
+      "status": 200,
+      "contentType": "application/json; charset=utf-8",
+      "sha256": "f9607cb3c5d6edfbfc417b71abdf88148da1ed8ed5d23b03017ba851b2b6c9de",
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+    },
+    {
+      "url": "https://cdn.jsdelivr.net/npm/artplayer-tool-thumbnail@3.5.31/dist/artplayer-tool-thumbnail.js",
+      "status": 200,
+      "contentType": "application/javascript; charset=utf-8",
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+      "identicalGit": {
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+        "file": "packages/artplayer-tool-thumbnail/dist/artplayer-tool-thumbnail.js"
+      }
+    },
+    {
+      "url": "https://cdn.jsdelivr.net/npm/artplayer-tool-thumbnail@3.5.31/dist/artplayer-tool-thumbnail.css",
+      "status": 404,
+      "contentType": "text/plain; charset=utf-8",
+      "sha256": "525a0f43f5b5fa874ba9306afade56063dcf874a59a2769af9efbc9cbf7a32b0",
+      "bytes": 58,
+      "text": "Failed to fetch version info for artplayer-tool-thumbnail."
+    },
+    {
+      "url": "https://cdn.jsdelivr.net/npm/artplayer-tool-thumbnail@3.5.31/src/index.js",
+      "status": 404,
+      "contentType": "text/plain; charset=utf-8",
+      "sha256": "525a0f43f5b5fa874ba9306afade56063dcf874a59a2769af9efbc9cbf7a32b0",
+      "bytes": 58,
+      "text": "Failed to fetch version info for artplayer-tool-thumbnail."
+    },
+    {
+      "url": "https://cdn.jsdelivr.net/npm/artplayer-tool-thumbnail@4.4.0/package.json",
+      "status": 404,
+      "contentType": "text/plain; charset=utf-8",
+      "sha256": "525a0f43f5b5fa874ba9306afade56063dcf874a59a2769af9efbc9cbf7a32b0",
+      "bytes": 58,
+      "text": "Failed to fetch version info for artplayer-tool-thumbnail."
+    },
+    {
+      "url": "https://data.jsdelivr.com/v1/package/npm/artplayer-tool-thumbnail@3.5.31",
+      "status": 404,
+      "contentType": "application/json; charset=utf-8",
+      "sha256": "ca673be59ba098d94b6734968b8e9b6f8c57c3a1b0f03d2a80e97ec0cc599255",
+      "bytes": 176,
+      "text": "{\n\t\"status\": 404,\n\t\"message\": \"Couldn't find version 3.5.31 for artplayer-tool-thumbnail. Make sure you use a specific version number, and not a version range or an npm tag.\"\n}"
+    }
+  ],
+  "recovered": {
+    "name": "artplayer-tool-thumbnail",
+    "version": "3.5.31",
+    "manifest": {
+      "name": "artplayer-tool-thumbnail",
+      "version": "3.5.31",
+      "expose": "ArtplayerToolThumbnail",
+      "description": "thumbnail tool for ArtPlayer",
+      "main": "dist/artplayer-tool-thumbnail.js",
+      "style": "dist/artplayer-tool-thumbnail.css",
+      "scripts": {
+        "test": "echo \"Error: no test specified\" && exit 1"
+      },
+      "repository": {
+        "type": "git",
+        "url": "git+https://github.com/zhw2590582/ArtPlayer.git"
+      },
+      "keywords": [
+        "video",
+        "player"
+      ],
+      "author": "Harvey Zack <laozhaochaguan@gmail.com>",
+      "license": "MIT",
+      "bugs": {
+        "url": "https://github.com/zhw2590582/ArtPlayer/issues"
+      },
+      "homepage": "https://github.com/zhw2590582/ArtPlayer#readme",
+      "dependencies": {
+        "tiny-emitter": "^2.1.0"
+      },
+      "gitHead": "af1a116a31b088efdd77afa81c4b6565d12bd162"
+    },
+    "historicalCommit": "af1a116a31b088efdd77afa81c4b6565d12bd162",
+    "originalTarballAvailable": false,
+    "completeArchiveAvailable": false,
+    "scope": "CDN manifest and main runtime recovered; runtime is byte-identical to the matching Git build. Registry manifests/tarballs are unavailable. Missing CSS is an observed unavailable target, not proof it never existed."
+  },
+  "source": {
+    "packages/artplayer-tool-thumbnail/src/index.js": "67bc1b6a58faf11b14c8d410ae829edd64b84dc9e7b4b388b2e2dd60788bcbe4",
+    "packages/artplayer-tool-thumbnail/src/emitter.js": "5aa71e4317037c06b94e259beed2e964bbbb7117edbe78d29cc941c4916fd2ff",
+    "packages/artplayer-tool-thumbnail/src/utils.js": "dc19fe2f338df7058084eb2301d37db59ec4c914a85ba819a856d270c1267105",
+    "packages/artplayer-tool-thumbnail/package.json": "9f4f9c6628ee48068f380bc52f4058c1f6aac31c20de6ed069a2c96ba635e23f",
+    "packages/artplayer-tool-thumbnail/README.md": "91477fe542a44713089e384308ae6f311f887cfe63aafe1483b778a37acfa458",
+    "packages/artplayer-tool-thumbnail/.npmignore": "6b340a1f9a1f36dbd84cc1fff61de20f4ab2041d767a996da9f9d8de1a582ae8",
+    "packages/artplayer-tool-thumbnail/dist/artplayer-tool-thumbnail.js": "f77419cc62eeaa45c0413f4b04d169f78178fd539443cbf7b1e5db4ad4c95c98",
+    "packages/artplayer-tool-thumbnail/dist/artplayer-tool-thumbnail.legacy.js": "f77419cc62eeaa45c0413f4b04d169f78178fd539443cbf7b1e5db4ad4c95c98",
+    "packages/artplayer-tool-thumbnail/dist/artplayer-tool-thumbnail.mjs": "4d46df8cccdc92d18efc6f12abedf85e8881737023f4ead28697c8b1e85eead1",
+    "docs/assets/example/tool.thumbnail.js": "ef830a5f499e14c09d51aa31aaa0a194ea1f910b27f14ef97c0ca8f67d529a54",
+    "docs/assets/example/thumbnail.js": "e166845905f131dea0979eb77471f5531a59b93ab2dc28fef1b6791adb42fc30",
+    "packages/artplayer/package.json": "06cbc0de3f944dfc215ea1c4e7c3376e6352ee5d6f1f459828f45025c62f57f0"
+  },
+  "historicalSource": {
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