0.6

Adjusted Signal

0.6

Raw Pattern Score

100%

Time Factor

2026-10-30

Last Push

54.1K

Stars

JavaScript

Language

287.7K

Lines of Code

608

Files

133

Pattern Hits

2026-10-31

Scan Date

0.00

HC Hit Rate

Risk Review · Payload v1

Use each vector to guide manual verification of the underlying findings.

Payload schema: 1.0.0 · Engine: 2.0.0 · Scoring: heuristic-density-v1 · Scan date: 2026-10-31.

Cognitive Ownership Risk 2.1/100 · LOW

Can maintainers explain intent, assumptions, and trade-offs? 115 finding(s).

Hallucinated Dependency & Supply Chain Risk 0.5/100 · LOW

Are imports declared and package/API names verified? 12 finding(s).

Agent Over-Engineering Ratio 1.3/100 · LOW

Are wrappers, guards, and repeated structures necessary? 67 finding(s).

PR Review Velocity Impact 2.8/100 · LOW

Which changes need focused human review? 133 finding(s).

What These Metrics Mean

Adjusted Signal: Legacy pattern score normalized per 1,000 scanned lines and multiplied by the repository-level time factor. It is not an estimate of AI authorship.
Raw Pattern Score: Sum of severity- and context-weighted pattern findings before applying the time factor.
Time Factor: A coarse multiplier based on repository last-push metadata. It does not identify when individual code was written.
Pattern Hits: Count of configured pattern findings. Review each location and surrounding code before acting.
HC Hit Rate: High- and critical-severity findings per scanned file. Severity is a configured detector weight, not proof of a vulnerability or authorship.
Lines / Files: Scan coverage denominators used by the legacy normalized score.

Pattern-Signal History

This chart tracks the legacy adjusted pattern score across scan runs. Changes can reflect source changes, scan coverage, or detector/scoring versions; they do not measure AI adoption or prove that a team refactored code. Compare runs only when their scoring versions are compatible. The dashed line tracks the raw pattern-hit count.

Severity Breakdown

Groups findings by configured severity weight. Severity is not a confidence estimate, security rating, or proof that a package is missing. Verify imports against the project's manifests and inspect each finding in its local design context.

CRITICAL 1HIGH 1MEDIUM 7LOW 124

Directory Score Breakdown

This horizontal bar chart shows where configured pattern scores accumulate across directories. Treat the bars as locations to inspect, not as evidence of authorship or code quality. Use the file-level findings to decide whether a directory needs a focused ownership, dependency, complexity, or review check.

Pattern Findings

The scanner identified 133 distinct pattern matches across 12 syntactic categories. Each entry below represents a discrete location in the source code where the engine recorded a detector match to inspect in context. Expand any category row to inspect the individual file paths, line numbers, code snippets, and the lexical context (CODE, COMMENT, or STRING) in which each match was detected.

Reading the findings table: The Severity column indicates the configured finding weight (CRITICAL / HIGH / MEDIUM / LOW). The Context column identifies whether the match occurred inside executable code, an inline comment, or a string literal — legacy comment-context matches receive a ×1.5 score weight. The ⚡ bolt icon marks clustered matches: three or more patterns within a 10-line window, each receiving an additional ×1.5 density multiplier under the legacy scoring model.

Hyper-Verbose Identifiers61 hits · 61 pts

Severity	File	Line	Snippet	Context
LOW	test/coverage_utils.js	43	async function fetchAndMergeWorkerCoverage(worker) {	CODE
LOW	test/unit/pattern_spec.js	27	function createFunctionBasedShading({	CODE
LOW	test/unit/function_spec.js	48	function createExponentialFunction(c0, c1) {	CODE
LOW	test/unit/crypto_spec.js	610	function ensureAESEncryptedStringHasCorrectLength(	CODE
LOW	test/unit/crypto_spec.js	634	function ensureEncryptDecryptIsIdentity(dict, fileId, password, string) {	CODE
LOW	test/unit/crypto_spec.js	643	function ensureCrossCipherIsIdentity(	CODE
LOW	test/unit/api_spec.js	130	function buildSharedImageResourcePdf() {	CODE
LOW	test/unit/api_spec.js	150	function buildGeneratedAppearancePdf(pageContents = null) {	CODE
LOW	test/unit/api_spec.js	1132	function getDocumentWithGatedRenderer(body, filename = basicApiFileName) {	CODE
LOW	test/unit/api_spec.js	1204	async function countDiffsWithReadyRenderer(context, filename) {	CODE
LOW	test/unit/api_spec.js	6721	async function checkImageSmoothingPixelRatio(disableWorkerRendering) {	CODE
LOW	test/unit/common_pdfstream_tests.js	66	function getCrossOriginUrlWithRedirects(testserverUrl, redirectIfRange) {	CODE
LOW	test/unit/jasmine-boot.js	146	function installWorkerCoverageHook(WorkerClass, targetName) {	CODE
LOW	test/unit/jasmine-boot.js	179	async function flushPendingWorkerCoverage() {	CODE
LOW	test/benchmarks/stream_utils.js	68	async function capturePNGPredictorInputs(	CODE
LOW	test/pdfs/sig_corpus/generate.py	52	def _resolve_mozilla_central_dir(cli_value):	CODE
LOW	web/ui_utils.js	322	function backtrackBeforeAllVisibleElements(index, views, top) {	CODE
LOW	web/ui_utils.js	457	function isElementBottomAfterViewTop(view) {	CODE
LOW	web/ui_utils.js	463	function isElementNextAfterViewHorizontally(view) {	CODE
LOW	web/ui_utils.js	582	function normalizeWheelEventDirection(evt) {	CODE
LOW	web/ui_utils.js	741	function getActiveOrFocusedElement() {	CODE
LOW	web/ui_utils.js	760	function apiPageLayoutToViewerModes(layout) {	CODE
LOW	web/chromecom.js	151	function isAllowedFileSchemeAccess(callback) {	CODE
LOW	web/chromecom.js	166	function reloadIfRuntimeIsUnavailable() {	CODE
LOW	web/pdf_viewer.js	83	function isValidAnnotationEditorMode(mode) {	CODE
LOW	web/app.js	2536	function addWindowResolutionChange(evt = null) {	CODE
LOW	extensions/chromium/pdfHandler.js	222	async function isHeaderConditionSupported() {	CODE
LOW	external/openjpeg/openjpeg.js	2	async function OpenJPEG(moduleArg={}){var Module=moduleArg;var ENVIRONMENT_IS_WEB=true;var ENVIRONMENT_IS_WORKER=false;v	CODE
LOW	external/brotli/decode.js	67	function calculateDistanceAlphabetSize(npostfix, ndirect, maxndistbits) {	CODE
LOW	external/brotli/decode.js	77	function calculateDistanceAlphabetLimit(s, maxDistance, npostfix, ndirect) {	CODE
LOW	external/brotli/decode.js	371	function inverseMoveToFrontTransform(v, vLen) {	CODE
LOW	external/brotli/decode.js	736	function decodeDistanceBlockSwitch(s) {	CODE
LOW	external/brotli/decode.js	744	function maybeReallocateRingBuffer(s) {	CODE
LOW	external/brotli/decode.js	882	function readMetablockHuffmanCodesAndContextMaps(s) {	CODE
LOW	external/brotli/decode.js	1047	function huffmanTreeGroupAllocSize(alphabetSizeLimit, n) {	CODE
LOW	external/brotli/decode.js	1133	function initializeCompoundDictionary(s) {	CODE
LOW	external/brotli/decode.js	1157	function initializeCompoundDictionaryCopy(s, address, length) {	CODE
LOW	external/brotli/decode.js	1182	function copyFromCompoundDictionary(s, fence) {	CODE
LOW	external/jbig2/jbig2.js	2	async function JBig2(moduleArg={}){var Module=moduleArg;var ENVIRONMENT_IS_WEB=true;var ENVIRONMENT_IS_WORKER=false;var	CODE
LOW	…nal/builder/fixtures_babel/instantiatewasm-expected.js	33	function aliasBeforeInitialization() {	CODE
LOW	external/builder/fixtures_babel/instantiatewasm.js	56	function aliasBeforeInitialization() {	CODE
LOW	src/core/pattern.js	52	function getColorConversionBatchSize(count, numComps) {	CODE
LOW	src/core/annotation.js	710	function writeLineToCurveToAppearance(data, buffer, maybeClose = false) {	CODE
LOW	src/core/fonts.js	386	function applyStandardFontGlyphMap(map, glyphMap) {	CODE
LOW	src/core/fonts.js	1509	function readTrueTypeCollectionHeader(ttc) {	CODE
LOW	src/core/fonts.js	1542	function readTrueTypeCollectionData(ttc, fontName) {	CODE
LOW	src/core/evaluator.js	1748	function closePendingMarkedContentOPS() {	CODE
LOW	src/core/evaluator.js	3203	function closePendingMarkedContentItems(level = 0) {	CODE
LOW	src/core/glyf.js	695	function pruneCompositeGlyphCycles(glyfTable, locaEntries, numGlyphs) {	CODE
LOW	src/core/crypto.js	805	function cipherTransformDecryptStream(data, finalize) {	CODE
LOW	src/core/xfa/data.js	25	class DataHandler {	CODE
LOW	src/core/postscript/wasm_compiler.js	1074	function buildPostScriptWasmFunction(source, domain, range) {	CODE
LOW	src/core/postscript/js_evaluator.js	822	function buildPostScriptJsFunction(	CODE
LOW	src/shared/image_utils.js	29	function convertBlackAndWhiteToRGBA({	CODE
LOW	src/display/content_disposition.js	30	function getFilenameFromContentDispositionHeader(contentDisposition) {	CODE
LOW	src/display/display_utils.js	98	function getCurrentTransformInverse(ctx) {	CODE
LOW	src/display/network_utils.js	51	function validateRangeRequestCapabilities({	CODE
LOW	src/display/network_utils.js	94	function extractFilenameFromHeader(responseHeaders) {	CODE
LOW	src/display/editor/drawers/highlight.js	24	function getHighlightSVGProperties(outline) {	CODE
LOW	src/display/editor/drawers/highlight.js	45	function getHighlightFocusSVGProperties(outline, rotation) {	CODE
1 more matches not shown…

Over-Commented Block44 hits · 44 pts

Severity	File	Line	Snippet	Context
LOW	test/unit/ui_utils_spec.js	201		COMMENT
LOW	test/unit/ui_utils_spec.js	221	// margins, borders, or padding.	COMMENT
LOW	test/unit/api_spec.js	10901	});	COMMENT
LOW	test/unit/api_spec.js	11081	await newLoadingTask.destroy();	COMMENT
LOW	web/ui_utils.js	321	*/	COMMENT
LOW	web/ui_utils.js	341	// **** = fully hidden	COMMENT
LOW	web/ui_utils.js	361	// case 3, and this assumption is correct.	COMMENT
LOW	web/chromecom.js	261	// to the background page.	COMMENT
LOW	web/pdf_history.js	561	// more than `POSITION_UPDATED_THRESHOLD` times.	COMMENT
LOW	web/pdf_find_controller.js	161	// The goal of this function is to normalize the string and	COMMENT
LOW	extensions/chromium/telemetry.js	21	// determine whether it is safe to drop support for old Chrome versions in	COMMENT
LOW	extensions/chromium/contentscript.js	141	}	COMMENT
LOW	extensions/chromium/contentscript.js	181	// <object> and <embed> elements have a "display:inline" style by default.	COMMENT
LOW	examples/learning/helloworld.html	21	//	COMMENT
LOW	.github/workflows/ref_tests_request.yml	1	name: Request reference tests	COMMENT
LOW	src/core/cff_parser.js	961	privateDict.setByName("BlueShift", DEFAULT_BLUE_SHIFT);	COMMENT
LOW	src/core/cff_parser.js	1641		COMMENT
LOW	src/core/annotation.js	661	// lies outside the region specified by the rectangle. The rectangle	COMMENT
LOW	src/core/annotation.js	2441	rotation = this.rotation;	COMMENT
LOW	src/core/evaluator.js	2481	negativeSpaceMax: -Infinity,	COMMENT
LOW	src/core/evaluator.js	2541		COMMENT
LOW	src/core/evaluator.js	5421	// - An empty array. This indicates that the caller is providing the	COMMENT
LOW	src/core/type1_font.js	121	warn('Unable to recover "Length1" property in Type1 font -- using as is.');	COMMENT
LOW	src/core/parser.js	921	// While lexing, we build up many strings one char at a time. Using += for	COMMENT
LOW	src/core/xfa/formcalc_parser.js	241	// operation ('... * - ...' can't be a subtraction).	COMMENT
LOW	src/core/postscript/ast.js	1361	// When the condition is a numeric comparison between two expressions A and	COMMENT
LOW	src/core/editor/pdf_editor.js	141	// times. This is used to determine if we can preserve information that can't	COMMENT
LOW	src/display/content_disposition.js	181	// We are more strict and only recognize RFC 2047-encoding if the value	COMMENT
LOW	src/display/canvas_dependency_tracker.js	1201	sin < 1e-6 \|\|	COMMENT
LOW	src/display/canvas_dependency_tracker.js	1221	// are helper variables used to compute the effective transform.	COMMENT
LOW	src/display/canvas.js	561	static #pathCaches = new WeakMap();	COMMENT
LOW	src/display/canvas.js	641	this.smaskPreparedEntry = null;	COMMENT
LOW	src/display/canvas.js	1381	// Alpha, or Luminosity with no backdrop: OOB input is transparent,	COMMENT
LOW	src/display/canvas.js	1661	}	COMMENT
LOW	src/display/canvas.js	3541	// mode and/or a soft mask) can't use the direct path above, so it	COMMENT
LOW	src/display/canvas.js	3561	// case, left untouched to avoid changing its rendering (issue 13520).	COMMENT
LOW	src/display/canvas.js	3741	colorCtx.drawImage(groupCtx.canvas, 0, 0);	COMMENT
LOW	src/display/pattern_helper.js	761	//	COMMENT
LOW	src/display/dom_filter_factory.js	421	newBgRGB,	COMMENT
LOW	src/display/editor/draw.js	641	// We've to deal with two rotations: the rotation of the annotation and the	COMMENT
LOW	src/display/editor/drawers/inkdraw.js	61		COMMENT
LOW	src/display/editor/drawers/freedraw.js	21		COMMENT
LOW	src/display/editor/drawers/signaturedraw.js	661	height,	COMMENT
LOW	src/scripting_api/app.js	61	#runtimeHighlightColor = ["T"];	COMMENT

Decorative Section Separators6 hits · 14 pts

Severity	File	Line	Snippet	Context
MEDIUM	test/pdfs/sig_corpus/generate.py	98	# ---------------------------------------------------------------------	COMMENT
MEDIUM	test/pdfs/sig_corpus/generate.py	100	# ---------------------------------------------------------------------	COMMENT
MEDIUM	test/pdfs/sig_corpus/generate.py	290	# ---------------------------------------------------------------------	COMMENT
MEDIUM	test/pdfs/sig_corpus/generate.py	292	# ---------------------------------------------------------------------	COMMENT
MEDIUM	test/pdfs/sig_corpus/generate.py	462	# ---------------------------------------------------------------------	STRING
MEDIUM	test/pdfs/sig_corpus/generate.py	464	# ---------------------------------------------------------------------	STRING

Fake / Example Data10 hits · 12 pts

Severity	File	Line	Snippet	Context
LOW	test/unit/scripting_spec.js	3364	value = await myeval(`eMailValidate("foo@bar.com")`);	CODE
LOW	test/unit/annotation_spec.js	2184	"(Lorem ipsum dolor sit amet, consectetur adipiscing elit.) Tj\n" +	CODE
LOW	test/unit/annotation_spec.js	2184	"(Lorem ipsum dolor sit amet, consectetur adipiscing elit.) Tj\n" +	CODE
LOW	test/unit/annotation_spec.js	2213	"Lorem ipsum dolor sit amet, consectetur adipiscing elit.\r" +	CODE
LOW	test/unit/annotation_spec.js	2213	"Lorem ipsum dolor sit amet, consectetur adipiscing elit.\r" +	CODE
LOW⚡	test/unit/bidi_spec.js	96	const str = "Lorem ipsum dolor sit amet, consectetur adipisicing elit.";	CODE
LOW⚡	test/unit/bidi_spec.js	96	const str = "Lorem ipsum dolor sit amet, consectetur adipisicing elit.";	CODE
LOW⚡	test/unit/bidi_spec.js	100	"Lorem ipsum dolor sit amet, consectetur adipisicing elit."	CODE
LOW⚡	test/unit/bidi_spec.js	100	"Lorem ipsum dolor sit amet, consectetur adipisicing elit."	CODE
LOW	web/pdf_thumbnail_viewer.js	800	placeholder.classList.add("thumbnailImageContainer", "placeholder");	CODE

Hallucination Indicators1 hit · 10 pts

Severity	File	Line	Snippet	Context
CRITICAL	docs/contents/js/jquery-3.7.1.min.js	2	!function(e,t){"use strict";"object"==typeof module&&"object"==typeof module.exports?module.exports=e.document?t(e,!0):f	CODE

Cross-Language Confusion (JS/TS)1 hit · 5 pts

Severity	File	Line	Snippet	Context
HIGH	src/scripting_api/doc.js	1207	print(	CODE

TODO Padding3 hits · 4 pts

Severity	File	Line	Snippet	Context
LOW	src/core/xfa/html_utils.js	151	// TODO: implement this correctly !	COMMENT
LOW	src/core/xfa/som.js	63	// TODO: implement that stuff and the remove the noExpr param.	COMMENT
LOW	src/core/xfa/template.js	1640	// TODO: implement all the missing properties.	COMMENT

AI Slop Vocabulary1 hit · 3 pts

Severity	File	Line	Snippet	Context
MEDIUM	src/core/annotation.js	4947	// In order to simplify things, we utilize straight lines for now.	COMMENT

Verbosity Indicators2 hits · 3 pts

Severity	File	Line	Snippet	Context
LOW	src/display/editor/tools.js	907	// like zooming, hence we need to check if the container has the	COMMENT
LOW	src/display/editor/tools.js	920	// like zooming, hence we need to check if the container has the	COMMENT

Slop Phrases2 hits · 2 pts

Severity	File	Line	Snippet	Context
LOW	web/toggle_button.css	23	in such a case don't forget to change the revision in the above link).	CODE
LOW	src/core/parser.js	563	// Finally, don't forget to reset the stream position.	COMMENT

Structural Annotation Overuse1 hit · 2 pts

Severity	File	Line	Snippet	Context
LOW	web/firefoxcom.js	285	// NOTE: This method is currently not invoked in the Firefox PDF Viewer.	COMMENT

Deep Nesting1 hit · 1 pts

Severity	File	Line	Snippet	Context
LOW	test/pdfs/sig_corpus/generate.py	103		CODE

mozilla/pdf.js

Open-Source Code Quality, Security and Technical Debt Review