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2107 lines (1873 loc) · 88.6 KB
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Browser Environment Comparator</title>
<style>
* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: #0f0f0f; color: #e5e5e5; font-family: monospace; font-size: 12px; height: 100vh; display: flex; flex-direction: column; overflow: hidden; }
#toolbar {
background: #161616; border-bottom: 1px solid #2a2a2a;
padding: 7px 10px; display: flex; gap: 7px; align-items: center; flex-wrap: wrap; flex-shrink: 0;
}
.btn { padding: 3px 11px; background: #222; color: #ccc; border: 1px solid #444; cursor: pointer; border-radius: 3px; font-family: monospace; font-size: 12px; white-space: nowrap; }
.btn:hover { background: #2e2e2e; }
.btn:disabled { opacity: 0.3; cursor: default; pointer-events: none; }
.btn.active { background: #1a2e1a; border-color: #4a4; color: #8f8; }
.sep { width: 1px; background: #333; height: 18px; flex-shrink: 0; }
#search { padding: 3px 8px; background: #111; border: 1px solid #444; color: #eee; border-radius: 3px; font-family: monospace; font-size: 12px; width: 170px; }
.filters { display: flex; gap: 5px; }
.filters label { cursor: pointer; color: #888; font-size: 11px; user-select: none; }
#stats { color: #777; font-size: 11px; }
.dfilter-group { display: flex; gap: 3px; }
.dfbtn { padding: 2px 9px; background: #1a1a1a; border: 1px solid #333; color: #666; cursor: pointer; border-radius: 3px; font-size: 11px; white-space: nowrap; }
.dfbtn:hover { border-color: #555; color: #aaa; }
.dfbtn.active { color: #fff; }
.dfbtn[data-f="all"].active { background: #222; border-color: #666; color: #ccc; }
.dfbtn[data-f="diff"].active { background: #2a1a00; border-color: #c87; color: #c87; }
.dfbtn[data-f="same"].active { background: #0a1a0a; border-color: #484; color: #8c8; }
.dfbtn[data-f="missing"].active { background: #1a0a1a; border-color: #85a; color: #b8d; }
#import-drop { border: 1px dashed #444; border-radius: 3px; padding: 3px 10px; color: #666; font-size: 11px; cursor: pointer; white-space: nowrap; }
#import-drop:hover { border-color: #888; color: #bbb; }
#import-drop.has-data { border-color: #4a4; color: #8c8; }
#file-input { display: none; }
/* BODY */
#body { flex: 1; display: flex; overflow: hidden; min-height: 0; }
/* RESIZE HANDLE — shared style */
.resizer {
flex-shrink: 0; background: #1e1e1e; position: relative; z-index: 5;
transition: background 0.1s;
}
.resizer:hover, .resizer.dragging { background: #4a8; }
.resizer.vertical { width: 4px; cursor: col-resize; }
.resizer.horizontal { height: 4px; cursor: row-resize; }
.resizer::after {
content: ""; position: absolute; inset: 0;
/* extend hit area without affecting layout */
margin: -3px;
}
/* SIDEBAR */
#sidebar { width: 190px; min-width: 80px; max-width: 400px; flex-shrink: 0; background: #111; display: flex; flex-direction: column; overflow: hidden; }
#ns-search-wrap { padding: 5px 6px; border-bottom: 1px solid #1e1e1e; flex-shrink: 0; }
#ns-search { width: 100%; padding: 3px 7px; background: #0d0d0d; border: 1px solid #333; color: #ccc; border-radius: 3px; font-family: monospace; font-size: 11px; }
#ns-search::placeholder { color: #444; }
#sidebar-list { flex: 1; overflow-y: auto; }
.cat-item { padding: 3px 8px; cursor: pointer; color: #666; white-space: nowrap; overflow: hidden; display: flex; align-items: center; justify-content: space-between; gap: 4px; }
.cat-item:hover { background: #1a1a1a; color: #bbb; }
.cat-item.active { background: #1e2a1e; color: #8f8; }
.cat-name { overflow: hidden; text-overflow: ellipsis; flex: 1; font-size: 11px; }
.cat-badge { font-size: 9px; padding: 0 4px; border-radius: 8px; flex-shrink: 0; }
.cb-diff { background: #3a1500; color: #c87; }
.cb-count { background: #181818; color: #555; }
.cat-all { border-bottom: 1px solid #1e1e1e; }
.cat-all .cat-name { color: #888; font-size: 11px; }
/* MAIN */
#main { flex: 1; display: flex; overflow: hidden; min-height: 0; position: relative; }
#single-pane { flex: 1; overflow-y: auto; padding: 4px 8px; }
#compare-pane { display: none; flex: 1; min-height: 0; overflow: hidden; }
/* COMPARE — flex instead of grid so resizer works */
.cmp-wrap { display: flex; height: 100%; width: 100%; overflow: hidden; }
.cmp-col { display: flex; flex-direction: column; min-width: 80px; min-height: 0; overflow: hidden; }
#cmp-col-a { flex: 0 0 50%; }
#cmp-col-b { flex: 1; }
.col-head { flex-shrink: 0; padding: 5px 10px; background: #141414; border-bottom: 1px solid #222; display: flex; gap: 8px; align-items: center; }
.col-head span { font-size: 10px; color: #555; text-transform: uppercase; letter-spacing: 1px; }
.col-head .env-browser { background: #1e2e1e; color: #5a9a5a; border: 1px solid #2a4a2a; border-radius: 3px; padding: 1px 6px; font-size: 10px; letter-spacing: 0; text-transform: none; }
.badge { font-size: 10px; padding: 1px 7px; border-radius: 8px; }
.badge-a { background: #0a1e30; color: #5af; border: 1px solid #1a4060; }
.badge-b { background: #1a0a30; color: #c8f; border: 1px solid #3a1a60; }
.col-body { flex: 1; overflow-y: auto; padding: 4px 8px; }
/* ROWS */
.row { height: 18px; line-height: 18px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.t-string { color: #98c379; }
.t-integer { color: #d19a66; }
.t-float { color: #e8b070; }
.t-boolean { color: #56b6c2; }
.t-null { color: #888; }
.t-object { color: #4a7aa0; }
.t-function { color: #5a3a7a; }
.t-throws { color: #5a1818; }
.t-undefined{ color: #3a3a3a; }
.t-symbol { color: #e5c07b; }
.t-bigint { color: #d19a66; }
.d-same { color: #303030; }
.d-only { color: #c87941; }
.d-absent { color: #1e1e1e; font-style: italic; }
.d-val { color: #c9a84c; }
.d-type { color: #c05060; }
.tag { font-size: 9px; padding: 0 4px; border-radius: 2px; margin-left: 5px; vertical-align: middle; }
.tg-only { background: #3a1500; color: #c87; }
.tg-val { background: #2e2200; color: #ba8; }
.tg-type { background: #2e0808; color: #d66; }
/* TOOLTIP */
#tooltip {
display: none; position: fixed; z-index: 9999; pointer-events: none;
background: #0c0c18; border: 1px solid #2a2a3a;
padding: 6px 10px; font: 11px/1 monospace;
max-width: 440px; box-shadow: 0 3px 10px rgba(0,0,0,.6);
}
.tt-row { display: flex; gap: 10px; padding: 2px 0; }
.tt-label { color: #3a3a4a; min-width: 38px; flex-shrink: 0; }
.tt-delta { color: #6af; }
.tt-other { color: #8c8; word-break: break-all; }
.tt-absent{ color: #444; font-style: italic; }
/* LOADING OVERLAY */
#panel-loading {
position: absolute; inset: 0; z-index: 20;
display: none; flex-direction: column; align-items: center; justify-content: center;
gap: 10px; background: rgba(12,12,12,0.82); pointer-events: none;
}
#panel-loading.visible { display: flex; }
#pl-label { color: #3a9; font-size: 12px; letter-spacing: 3px; text-transform: uppercase; }
#pl-bar { color: #2a7; font-size: 13px; font-family: monospace; letter-spacing: 0; }
#pl-sub { color: #445; font-size: 11px; }
/* STATUSBAR */
#statusbar {
flex-shrink: 0; background: #090909; border-top: 1px solid #1a1a1a;
padding: 3px 12px 4px; display: flex; gap: 18px; align-items: center;
font-size: 11px; font-family: monospace; color: #3a3a3a; white-space: nowrap;
}
.sb { color: #444; }
.sb b { font-weight: normal; }
.sb.sb-keys b { color: #5a7a5a; }
.sb.sb-diff b { color: #a06030; }
.sb.sb-same b { color: #2a4a2a; }
.sb.sb-miss b { color: #5a3a6a; }
.sb.sb-scan { color: #3a8a5a; flex: 1; }
#sb-bar { color: #2a6a4a; letter-spacing: 0; }
</style>
</head>
<body>
<div id="toolbar">
<button class="btn" id="scan-btn">▶ Scan</button>
<button class="btn" id="export-btn" disabled>↓ Export</button>
<div id="import-drop">⊕ Import</div>
<input type="file" id="file-input" accept=".json">
<button class="btn" id="compare-btn" disabled>⇌ Compare</button>
<div class="sep"></div>
<div class="dfilter-group">
<button class="dfbtn active" data-f="all">All</button>
<button class="dfbtn" data-f="diff">≠ Different</button>
<button class="dfbtn" data-f="same">= Same</button>
<button class="dfbtn" data-f="missing">∅ Missing</button>
</div>
<div class="sep"></div>
<input id="search" type="text" placeholder="filter paths / values…">
<div class="filters">
<label><input type="checkbox" class="tf" value="string" checked> str</label>
<label><input type="checkbox" class="tf" value="integer" checked> int</label>
<label><input type="checkbox" class="tf" value="float" checked> float</label>
<label><input type="checkbox" class="tf" value="boolean" checked> bool</label>
<label><input type="checkbox" class="tf" value="null" checked> null</label>
<label><input type="checkbox" class="tf" value="object" checked> obj</label>
<label><input type="checkbox" class="tf" value="function"> fn</label>
<label><input type="checkbox" class="tf" value="undefined"> undef</label>
<label><input type="checkbox" class="tf" value="throws" checked> throws</label>
</div>
</div>
<div id="body">
<div id="sidebar">
<div id="ns-search-wrap">
<input id="ns-search" type="text" placeholder="namespace…">
</div>
<div id="sidebar-list"></div>
</div>
<!-- sidebar ↔ main resizer -->
<div class="resizer vertical" id="resizer-sidebar"></div>
<div id="main">
<div id="panel-loading">
<div id="pl-label">initializing</div>
<div id="pl-bar"></div>
<div id="pl-sub"></div>
</div>
<div id="single-pane"></div>
<div id="compare-pane">
<div class="cmp-wrap">
<div class="cmp-col" id="cmp-col-a">
<div class="col-head">
<span>Current browser</span>
<span class="env-browser" id="env-label-a"></span>
<div class="badge badge-a" id="badge-a">—</div>
</div>
<div class="col-body" id="col-a"></div>
</div>
<!-- pane A ↔ pane B resizer -->
<div class="resizer vertical" id="resizer-panes"></div>
<div class="cmp-col" id="cmp-col-b">
<div class="col-head">
<span>Imported environment</span>
<span class="env-browser" id="env-label-b"></span>
<div class="badge badge-b" id="badge-b">—</div>
</div>
<div class="col-body" id="col-b"></div>
</div>
</div>
</div>
</div>
</div>
<div id="tooltip"></div>
<div id="statusbar">
<span class="sb sb-keys">keys <b id="sb-keys">—</b></span>
<span class="sb sb-diff">diff <b id="sb-diff">—</b></span>
<span class="sb sb-same">same <b id="sb-same">—</b></span>
<span class="sb sb-miss">miss <b id="sb-miss">—</b></span>
<span class="sb sb-scan" id="sb-scan"></span>
<span id="sb-bar"></span>
</div>
<script>
(function () {
'use strict';
// ───────────────────────────────────────────────────────────────────────
// src/utils.js
// ───────────────────────────────────────────────────────────────────────
const YIELD = () => new Promise(r => setTimeout(r, 0));
const BATCH = 1500;
function debounce(fn, ms) {
let t;
return (...args) => { clearTimeout(t); t = setTimeout(() => fn(...args), ms); };
}
function esc(s) {
return String(s).replace(/&/g, "&").replace(/</g, "<").replace(/>/g, ">");
}
function attr(s) {
return String(s).replace(/&/g, "&").replace(/"/g, """);
}
function getCat(path) {
return path.split(".")[0];
}
function getTypes() {
const s = new Set();
document.querySelectorAll(".tf").forEach(c => { if (c.checked) s.add(c.value); });
return s;
}
function pbar(frac, w = 28) {
const f = Math.round(Math.max(0, Math.min(1, frac)) * w);
return "▐" + "█".repeat(f) + "░".repeat(w - f) + "▌";
}
// ───────────────────────────────────────────────────────────────────────
// src/state.js
// ───────────────────────────────────────────────────────────────────────
let curMap = null;
let impMap = null;
let cmpMode = false;
let activeCat = "__all__";
let diffFilter = "all";
let renderGen = 0;
let singleCache = null;
let cmpCache = null;
const scanBtn = document.getElementById("scan-btn");
const exportBtn = document.getElementById("export-btn");
const importDrop = document.getElementById("import-drop");
const fileInput = document.getElementById("file-input");
const compareBtn = document.getElementById("compare-btn");
const searchEl = document.getElementById("search");
const nsSearch = document.getElementById("ns-search");
const singlePane = document.getElementById("single-pane");
const comparePan = document.getElementById("compare-pane");
const badgeA = document.getElementById("badge-a");
const badgeB = document.getElementById("badge-b");
const colA = document.getElementById("col-a");
const colB = document.getElementById("col-b");
const sidebarList = document.getElementById("sidebar-list");
const envLabelA = document.getElementById("env-label-a");
const envLabelB = document.getElementById("env-label-b");
const plEl = document.getElementById("panel-loading");
const plLabel = document.getElementById("pl-label");
const plBar = document.getElementById("pl-bar");
const plSub = document.getElementById("pl-sub");
const sbKeys = document.getElementById("sb-keys");
const sbDiff = document.getElementById("sb-diff");
const sbSame = document.getElementById("sb-same");
const sbMiss = document.getElementById("sb-miss");
const sbScan = document.getElementById("sb-scan");
const sbBarEl = document.getElementById("sb-bar");
// ───────────────────────────────────────────────────────────────────────
// src/walker.js
// ───────────────────────────────────────────────────────────────────────
const PROTO_STOPS = new Set([
Object.prototype, Function.prototype, EventTarget.prototype,
]);
const SKIP_KEYS = new Set(["prototype", "__proto__", "constructor", "caller", "arguments"]);
function collectKeys(obj) {
const keys = new Set();
let cur = obj;
while (cur !== null && !PROTO_STOPS.has(cur)) {
for (const k of Reflect.ownKeys(cur))
if (typeof k === "string" && !SKIP_KEYS.has(k)) keys.add(k);
cur = Object.getPrototypeOf(cur);
}
return keys;
}
function naturalDisplay(val) {
if (val === null) return "null";
if (val === undefined) return "undefined";
if (typeof val === "string") return val;
if (typeof val === "number") return String(val);
if (typeof val === "boolean") return String(val);
if (typeof val === "bigint") return String(val) + "n";
if (val instanceof Float32Array || val instanceof Float64Array ||
val instanceof Int32Array || val instanceof Uint32Array ||
val instanceof Int16Array || val instanceof Uint8Array)
return Array.from(val).join(", ");
if (Array.isArray(val)) return val.join(", ");
return String(val);
}
async function walk(obj, ns, map, seen, depth) {
if (depth > 10) return;
if (obj === null || typeof obj !== "object") return;
if (seen.has(obj)) return;
seen.add(obj);
for (const key of collectKeys(obj)) {
const path = ns + "." + key;
let val, threw = false;
try { val = obj[key]; } catch { threw = true; }
if (threw) {
map.set(path, { type: "throws", display: "[throws]" });
continue;
}
const vt = val === null ? "null" : typeof val;
if (vt === "function") {
map.set(path, { type: "function", display: "[fn]" });
continue;
}
if (vt === "object") {
if (Array.isArray(val) && val.length > 0 &&
val.every(v => v === null || (typeof v !== "object" && typeof v !== "function"))) {
seen.add(val);
const sorted = [...val].sort((a, b) => String(a) < String(b) ? -1 : String(a) > String(b) ? 1 : 0);
map.set(path, { type: "string", display: sorted.join(", ") });
continue;
}
map.set(path, { type: "object", display: "[" + (val?.constructor?.name ?? "Object") + "]" });
await walk(val, path, map, seen, depth + 1);
continue;
}
const type = vt === "number"
? (Number.isInteger(val) ? "integer" : "float")
: vt;
map.set(path, { type, display: naturalDisplay(val) });
if (map.size % 500 === 0) await YIELD();
}
}
// ───────────────────────────────────────────────────────────────────────
// src/constants/canvas.js
// ───────────────────────────────────────────────────────────────────────
const CANVAS_W = 500;
const CANVAS_H = 200;
const CANVAS_MEASURE_FONTS = [
["16px Arial", "mmmmmmmmmmlli"],
["16px serif", "mmmmmmmmmmlli"],
["16px monospace", "mmmmmmmmmmlli"],
["bold 20px Arial", "Sphinx of quartz judge my vow"],
["italic 14px serif", "0Oljl| 1IiLl"],
];
const CANVAS_TEXT_LAYERS = [
["bold 14px Arial", "Sphinx of quartz"],
["italic 12px serif", "judge my vow 0Oljl|"],
["11px monospace", "1IiLl0O !@#$"],
];
const CANVAS_SAMPLE_POINTS = [
[250, 100], [10, 10], [490, 10], [10, 190], [490, 190], [125, 100], [375, 100],
];
const CANVAS_BLEND_MODES = ["multiply", "screen", "overlay", "difference", "xor"];
// ───────────────────────────────────────────────────────────────────────
// src/constants/date.js
// ───────────────────────────────────────────────────────────────────────
const DATE_REF = "2024-06-15T12:00:00Z";
const DATE_REF_FORMATS = [
[{}, "default"],
[{dateStyle: "full", timeStyle: "long"}, "full_long"],
[{year: "numeric", month: "2-digit", day: "2-digit"}, "numeric_date"],
[{weekday: "long", hour: "2-digit", minute: "2-digit"}, "weekday_time"],
];
// ───────────────────────────────────────────────────────────────────────
// src/constants/fonts.js
// ───────────────────────────────────────────────────────────────────────
const FONT_FAMILIES = [
"Arial", "serif", "sans-serif", "monospace", "cursive", "fantasy",
"system-ui", "Arial Black", "Times New Roman", "Courier New", "Georgia",
"Verdana", "Impact", "Comic Sans MS", "Trebuchet MS", "Helvetica",
"Palatino", "Garamond", "Bookman", "Tahoma", "Lucida Console",
];
// ───────────────────────────────────────────────────────────────────────
// src/constants/math.js
// ───────────────────────────────────────────────────────────────────────
const MATH_PROBES = [
["tan_neg1e300", () => Math.tan(-1e300)],
["sin_pi", () => Math.sin(Math.PI)],
["sinh_1", () => Math.sinh(1)],
["cosh_1", () => Math.cosh(1)],
["acos_sqrt2_inv", () => Math.acos(Math.SQRT1_2)],
["log2e", () => Math.LOG2E],
["pow_neg0", () => Math.pow(-0, 0)],
["atan2_0_neg0", () => Math.atan2(0, -0)],
["hypot_1_1", () => Math.hypot(1, 1)],
["cbrt_neg1", () => Math.cbrt(-1)],
["expm1_1", () => Math.expm1(1)],
["log1p_1", () => Math.log1p(1)],
["round_neg0_5", () => Math.round(-0.5)],
["fround_1_1", () => Math.fround(1.1)],
["imul_3_4", () => Math.imul(3, 4)],
["clz32_1", () => Math.clz32(1)],
];
// ───────────────────────────────────────────────────────────────────────
// src/constants/media-queries.js
// ───────────────────────────────────────────────────────────────────────
const MEDIA_QUERIES = {
"prefers-color-scheme:dark": "(prefers-color-scheme: dark)",
"prefers-color-scheme:light": "(prefers-color-scheme: light)",
"prefers-reduced-motion": "(prefers-reduced-motion: reduce)",
"prefers-reduced-transparency": "(prefers-reduced-transparency: reduce)",
"pointer:fine": "(pointer: fine)",
"pointer:coarse": "(pointer: coarse)",
"hover:hover": "(hover: hover)",
"hover:none": "(hover: none)",
"any-pointer:fine": "(any-pointer: fine)",
"any-pointer:coarse": "(any-pointer: coarse)",
"any-hover:hover": "(any-hover: hover)",
"display-mode:browser": "(display-mode: browser)",
"display-mode:standalone": "(display-mode: standalone)",
"color-gamut:srgb": "(color-gamut: srgb)",
"color-gamut:p3": "(color-gamut: p3)",
"color-gamut:rec2020": "(color-gamut: rec2020)",
"forced-colors": "(forced-colors: active)",
"inverted-colors": "(inverted-colors: inverted)",
"prefers-contrast:more": "(prefers-contrast: more)",
"prefers-contrast:less": "(prefers-contrast: less)",
"dynamic-range:high": "(dynamic-range: high)",
"scripting:enabled": "(scripting: enabled)",
"scripting:none": "(scripting: none)",
"update:fast": "(update: fast)",
"update:slow": "(update: slow)",
};
// ───────────────────────────────────────────────────────────────────────
// src/constants/permissions.js
// ───────────────────────────────────────────────────────────────────────
const PERMISSION_NAMES = [
"geolocation",
"notifications",
"camera",
"microphone",
"clipboard-read",
"clipboard-write",
"payment-handler",
"persistent-storage",
"push",
"midi",
"background-sync",
"accelerometer",
"gyroscope",
"magnetometer",
"ambient-light-sensor",
"screen-wake-lock",
"nfc",
"storage-access",
];
// ───────────────────────────────────────────────────────────────────────
// src/constants/webgl.js
// ───────────────────────────────────────────────────────────────────────
const WEBGL_CONSTANT_RANGE = { min: 0x0001, max: 0xFFFF };
// ───────────────────────────────────────────────────────────────────────
// src/constants/integrity.js
// ───────────────────────────────────────────────────────────────────────
const INTEGRITY_NATIVE_FNS = [
["Function.prototype.toString", () => Function.prototype.toString],
["Object.getOwnPropertyDescriptor", () => Object.getOwnPropertyDescriptor],
["Object.defineProperty", () => Object.defineProperty],
["document.createElement", () => document.createElement],
["window.fetch", () => window.fetch],
["XMLHttpRequest.open", () => XMLHttpRequest.prototype.open],
["JSON.stringify", () => JSON.stringify],
["JSON.parse", () => JSON.parse],
["Array.prototype.push", () => Array.prototype.push],
["Proxy", () => Proxy],
["Reflect.get", () => Reflect.get],
["history.pushState", () => history.pushState],
["performance.now", () => performance.now],
["crypto.getRandomValues", () => crypto.getRandomValues],
["navigator.getBattery", () => navigator.getBattery],
["navigator.permissions.query", () => navigator.permissions?.query],
["CanvasRenderingContext2D.getImageData", () => CanvasRenderingContext2D.prototype.getImageData],
["CanvasRenderingContext2D.fillText", () => CanvasRenderingContext2D.prototype.fillText],
["WebGLRenderingContext.getParameter", () => WebGLRenderingContext?.prototype?.getParameter],
["WebGLRenderingContext.getExtension", () => WebGLRenderingContext?.prototype?.getExtension],
["speechSynthesis.getVoices", () => speechSynthesis.getVoices],
["navigator.mediaDevices.enumerateDevices", () => navigator.mediaDevices?.enumerateDevices],
];
const INTEGRITY_PROTO_PAIRS = [
["navigator", () => [navigator, Navigator.prototype]],
["document", () => [document, Document.prototype]],
["location", () => [location, Location.prototype]],
["screen", () => [screen, Screen.prototype]],
["history", () => [history, History.prototype]],
["performance", () => [performance, Performance.prototype]],
];
const INTEGRITY_DESCRIPTORS = [
[Navigator.prototype, "userAgent"],
[Navigator.prototype, "hardwareConcurrency"],
[Navigator.prototype, "language"],
[Navigator.prototype, "platform"],
[Navigator.prototype, "cookieEnabled"],
[Navigator.prototype, "onLine"],
[Screen.prototype, "width"],
[Screen.prototype, "height"],
[Screen.prototype, "colorDepth"],
[Screen.prototype, "pixelDepth"],
];
// ───────────────────────────────────────────────────────────────────────
// src/constants/css.js
// ───────────────────────────────────────────────────────────────────────
const CSS_SUPPORTS_PROBES = [
["display_grid", "display", "grid"],
["display_flex", "display", "flex"],
["display_contents", "display", "contents"],
["display_flow_root", "display", "flow-root"],
["container_type", "container-type", "inline-size"],
["aspect_ratio", "aspect-ratio", "1"],
["gap", "gap", "10px"],
["backdrop_filter", "backdrop-filter", "blur(4px)"],
["content_visibility", "content-visibility", "auto"],
["subgrid", "grid-template-columns", "subgrid"],
["color_oklch", "color", "oklch(0.5 0.2 120)"],
["color_p3", "color", "color(display-p3 1 0 0)"],
["color_lab", "color", "lab(50% 0 0)"],
["color_hdr", "color", "color(rec2020 1 0 0)"],
["animation_timeline", "animation-timeline", "scroll()"],
["overscroll_behavior", "overscroll-behavior", "contain"],
["text_decoration_skip", "text-decoration-skip-ink", "auto"],
["mask", "mask", "none"],
["clip_path", "clip-path", "circle(50%)"],
["scroll_snap", "scroll-snap-type", "x mandatory"],
["conic_gradient", "background", "conic-gradient(red, blue)"],
["math_style", "math-style", "compact"],
["text_wrap_balance", "text-wrap", "balance"],
["scroll_timeline", "scroll-timeline", "none"],
["view_timeline", "view-timeline", "none"],
["anchor_name", "anchor-name", "--a"],
["field_sizing", "field-sizing", "content"],
["interpolate_size", "interpolate-size", "allow-keywords"],
["selector_has", "selector(:has(*))"],
["selector_is", "selector(:is(*))"],
["selector_where", "selector(:where(*))"],
["selector_not", "selector(:not(*))"],
["at_layer", "@layer"],
["at_container", "@container (min-width: 1px) {}"],
["nesting", "selector(& .x)"],
];
const CSS_COMPUTED_PROBES = [
"-webkit-font-smoothing",
"-moz-osx-font-smoothing",
"text-rendering",
"image-rendering",
"font-kerning",
"font-optical-sizing",
"font-synthesis",
"font-variant-ligatures",
"text-size-adjust",
"-webkit-text-size-adjust",
"zoom",
"appearance",
"-webkit-appearance",
"user-select",
"-webkit-user-select",
"scrollbar-width",
"scrollbar-gutter",
"color-scheme",
"print-color-adjust",
"touch-action",
"overscroll-behavior",
"-webkit-tap-highlight-color",
"text-underline-offset",
"text-decoration-thickness",
"hyphenate-character",
];
// ───────────────────────────────────────────────────────────────────────
// src/constants/wasm-features.js
// ───────────────────────────────────────────────────────────────────────
const WASM_FEATURES = [
["simd", [0,97,115,109,1,0,0,0,1,6,1,96,1,123,1,123,3,2,1,0,10,6,1,4,0,32,0,11]],
["exceptions", [0,97,115,109,1,0,0,0,1,5,1,96,1,127,0,13,3,1,0,0]],
["tail_calls", [0,97,115,109,1,0,0,0,1,4,1,96,0,0,3,2,1,0,10,6,1,4,0,18,0,11]],
["memory64", [0,97,115,109,1,0,0,0,5,3,1,4,0]],
["reference_types", [0,97,115,109,1,0,0,0,4,4,1,111,0,0]],
["multi_value", [0,97,115,109,1,0,0,0,1,6,1,96,0,2,127,127,3,2,1,0,10,8,1,6,0,65,1,65,2,11]],
];
// ───────────────────────────────────────────────────────────────────────
// src/constants/drm.js
// ───────────────────────────────────────────────────────────────────────
const DRM_KEY_SYSTEMS = [
["clearkey", "org.w3.clearkey"],
["widevine", "com.widevine.alpha"],
["playready", "com.microsoft.playready"],
["playready30", "com.microsoft.playready.recommendation"],
["fairplay", "com.apple.fps"],
["fairplay10", "com.apple.fps.1_0"],
["primetime", "com.adobe.primetime"],
];
const DRM_BASE_CONFIGS = [{
initDataTypes: ["cenc", "keyids", "webm"],
videoCapabilities: [
{ contentType: 'video/mp4; codecs="avc1.42E01E"' },
{ contentType: 'video/mp4; codecs="avc1.4d401e"' },
{ contentType: 'video/webm; codecs="vp8"' },
{ contentType: 'video/webm; codecs="vp9"' },
{ contentType: 'video/webm; codecs="vp09.00.10.08"' },
],
audioCapabilities: [
{ contentType: 'audio/mp4; codecs="mp4a.40.2"' },
{ contentType: 'audio/webm; codecs="vorbis"' },
{ contentType: 'audio/webm; codecs="opus"' },
],
}];
const DRM_WIDEVINE_ROBUSTNESS = [
["HW_SECURE_ALL", "HW_SECURE_ALL"],
["HW_SECURE_DECODE", "HW_SECURE_DECODE"],
["HW_SECURE_CRYPTO", "HW_SECURE_CRYPTO"],
["SW_SECURE_DECODE", "SW_SECURE_DECODE"],
["SW_SECURE_CRYPTO", "SW_SECURE_CRYPTO"],
];
// ───────────────────────────────────────────────────────────────────────
// src/constants/gpu-fp.js
// ───────────────────────────────────────────────────────────────────────
const GPU_FP_BIAS = 8.0;
const GPU_FP_RANGE = 16.0;
const GPU_FP_TESTS = [
// [name, glsl_expr_using_u_a_and_u_b, a_val, b_val]
["sin", "sin(u_a)", 0.5, 0.0],
["cos", "cos(u_a)", 0.5, 0.0],
["tan", "tan(u_a)", 0.5, 0.0],
["asin", "asin(u_a)", 0.5, 0.0],
["acos", "acos(u_a)", 0.5, 0.0],
["atan1", "atan(u_a)", 1.0, 0.0],
["atan2", "atan(u_a, u_b)", 1.0, 2.0],
["exp", "exp(u_a)", 1.0, 0.0],
["log", "log(u_a)", 2.718281828, 0.0],
["exp2", "exp2(u_a)", 2.5, 0.0],
["log2", "log2(u_a)", 5.0, 0.0],
["sqrt", "sqrt(u_a)", 2.0, 0.0],
["inversesqrt", "inversesqrt(u_a)", 2.0, 0.0],
["pow", "pow(u_a, u_b)", 2.0, 0.333333343],
["fma", "u_a * u_b + u_a", 1.0000001, 2.0000002],
["sum_fp", "u_a + u_b", 0.1, 0.2],
["fract", "fract(u_a)", 3.14159265358979, 0.0],
["mod", "mod(u_a, u_b)", 10.5, 3.0],
["smoothstep", "smoothstep(0.0, u_b, u_a)", 0.5, 1.0],
["mix", "mix(u_a, u_b, 0.3)", 1.0, 4.0],
["normalize_x", "normalize(vec2(u_a, u_b)).x", 3.0, 4.0],
["length_2d", "length(vec2(u_a, u_b))", 3.0, 4.0],
["dot_2d", "dot(vec2(u_a,u_a),vec2(u_b,u_b))", 0.5, 0.7],
["reflect_x", "reflect(vec2(u_a,0.0),normalize(vec2(u_b,u_b))).x", 1.0, 1.0],
["cross_z", "cross(vec3(u_a,u_b,0.0),vec3(u_b,u_a,0.0)).z", 0.6, 0.8],
];
// ───────────────────────────────────────────────────────────────────────
// src/activators.js
// ───────────────────────────────────────────────────────────────────────
const ACTIVATORS = [
{ ns: "navigator", get: () => navigator },
{ ns: "visualViewport", get: () => visualViewport },
{ ns: "screen", get: () => screen },
{ ns: "performance", get: () => performance },
{ ns: "history", get: () => history },
{ ns: "location", get: () => location },
{ ns: "document", get: () => document },
{ ns: "crypto", get: () => crypto },
{ ns: "indexedDB", get: () => indexedDB },
{ ns: "caches", get: () => caches },
{
ns: "canvas",
get: () => {
const c = document.createElement("canvas");
c.width = CANVAS_W; c.height = CANVAS_H;
const ctx = c.getContext("2d");
const W = CANVAS_W, H = CANVAS_H;
const rg = ctx.createRadialGradient(W/2,H/2,10,W/2,H/2,W/2);
rg.addColorStop(0,"#1a1a2e"); rg.addColorStop(0.5,"#16213e"); rg.addColorStop(1,"#0f3460");
ctx.fillStyle = rg; ctx.fillRect(0,0,W,H);
ctx.save(); ctx.translate(W/2, H/2);
for (let i = 0; i < 12; i++) {
const a = (i/12)*Math.PI*2, r1=60, r2=90;
ctx.beginPath(); ctx.moveTo(0,0);
ctx.bezierCurveTo(
Math.cos(a-0.3)*r1, Math.sin(a-0.3)*r1,
Math.cos(a+0.3)*r2, Math.sin(a+0.3)*r2,
Math.cos(a)*r2, Math.sin(a)*r2
);
ctx.strokeStyle = `hsla(${(i/12)*360},90%,65%,0.8)`;
ctx.lineWidth = 1.5; ctx.stroke();
}
ctx.restore();
const lg = ctx.createLinearGradient(0,0,W,H);
["rgba(255,100,100,0.3)","rgba(100,255,100,0.3)","rgba(100,100,255,0.3)",
"rgba(255,255,100,0.3)","rgba(255,100,255,0.3)"].forEach((col,i) => lg.addColorStop(i/4, col));
ctx.fillStyle = lg; ctx.fillRect(0,0,W,H);
ctx.beginPath(); ctx.moveTo(0, H/2);
for (let x = 0; x <= W; x += 2)
ctx.lineTo(x, H/2 + Math.sin(x/W*Math.PI*4)*40 + Math.sin(x/W*Math.PI*7)*15 + Math.cos(x/W*Math.PI*11)*8);
ctx.strokeStyle = "rgba(255,255,255,0.6)"; ctx.lineWidth = 1.5; ctx.stroke();
ctx.save();
ctx.beginPath(); ctx.ellipse(W*0.25, H*0.5, 40, 30, Math.PI/6, 0, Math.PI*2); ctx.clip();
ctx.fillStyle = "rgba(255,200,50,0.8)"; ctx.fillRect(0,0,W,H);
ctx.restore();
ctx.save(); ctx.shadowColor = "rgba(0,255,200,0.9)"; ctx.shadowBlur = 18;
ctx.beginPath(); ctx.arc(W*0.75, H*0.5, 25, 0, Math.PI*2);
ctx.fillStyle = "rgba(0,200,180,0.7)"; ctx.fill(); ctx.restore();
CANVAS_TEXT_LAYERS.forEach(([f,t],i) => {
ctx.font = f; ctx.fillStyle = "rgba(255,255,255,0.85)"; ctx.fillText(t, 8, 18+i*16);
});
CANVAS_BLEND_MODES.forEach((mode,i) => {
ctx.globalCompositeOperation = mode;
ctx.fillStyle = `hsla(${i*72},80%,60%,0.6)`;
ctx.beginPath(); ctx.arc(350+i*8, 100+i*6, 20, 0, Math.PI*2); ctx.fill();
});
ctx.globalCompositeOperation = "source-over";
const result = { measureText: {}, pixels: {}, rowHash: null, pixelHash: null, context: {} };
for (const [font, text] of CANVAS_MEASURE_FONTS) {
ctx.font = font;
const m = ctx.measureText(text);
const k = font.replace(/\s+/g,"_").replace(/[^a-z0-9_]/gi,"");
result.measureText[k] = {
width: m.width,
actualBoundingBoxAscent: m.actualBoundingBoxAscent,
actualBoundingBoxDescent: m.actualBoundingBoxDescent,
fontBoundingBoxAscent: m.fontBoundingBoxAscent ?? null,
fontBoundingBoxDescent: m.fontBoundingBoxDescent ?? null,
};
}
for (const [px, py] of CANVAS_SAMPLE_POINTS) {
const d = ctx.getImageData(px, py, 1, 1).data;
result.pixels[`x${px}_y${py}`] = `${d[0]},${d[1]},${d[2]},${d[3]}`;
}
const row = ctx.getImageData(0, Math.round(H/2), W, 1).data;
let rh = 0; for (let i = 0; i < row.length; i++) rh = ((rh*31) + row[i]) >>> 0;
result.rowHash = rh;
let ph = 0;
for (const v of Object.values(result.pixels))
for (const n of v.split(",").map(Number)) ph = ((ph*31) + n) >>> 0;
result.pixelHash = ph;
result.context = ctx;
return result;
}
},
{
ns: "audio",
get: async () => {
const ac = new OfflineAudioContext(1, 44100, 44100);
const osc = ac.createOscillator();
const comp = ac.createDynamicsCompressor();
osc.type = "triangle"; osc.frequency.value = 10000;
osc.connect(comp); comp.connect(ac.destination); osc.start(0);
const buf = await ac.startRendering();
const data = buf.getChannelData(0);
let sum = 0, min = Infinity, max = -Infinity;
for (let i = 0; i < data.length; i++) {
const v = data[i]; sum += Math.abs(v);
if (v < min) min = v; if (v > max) max = v;
}
let hash = 0;
for (let i = 0; i < 4096; i++) hash = ((hash*31) + Math.round(data[i]*1e9)) >>> 0;
return {
sampleRate: buf.sampleRate,
length: buf.length,
numberOfChannels: buf.numberOfChannels,
channelData: { sum, min, max, mean: sum / data.length, hash4096: hash },
compressor: {
threshold: comp.threshold.value, knee: comp.knee.value,
ratio: comp.ratio.value, attack: comp.attack.value, release: comp.release.value,
},
context: {
sampleRate: ac.sampleRate, length: ac.length,
numberOfChannels: ac.numberOfChannels, currentTime: ac.currentTime,
},
};
}
},
{
ns: "webgl",
get: () => {
const c = document.createElement("canvas");
const gl = c.getContext("webgl") || c.getContext("experimental-webgl");
if (!gl) return { available: false };
const result = { available: true, params: {}, extensions: null };
const walkGlParams = (ctx) => {
const out = {};
const seen = new Set();
let p = Object.getPrototypeOf(ctx);
while (p && p !== Object.prototype) {
for (const k of Object.getOwnPropertyNames(p)) {
if (seen.has(k)) continue; seen.add(k);
try {
const v = ctx[k];
if (typeof v === "number" && Number.isInteger(v) && v > WEBGL_CONSTANT_RANGE.min && v < WEBGL_CONSTANT_RANGE.max) {
try {
const r = ctx.getParameter(v);
if (r == null) continue;
out[k] = r instanceof Float32Array || r instanceof Int32Array ? Array.from(r) : r;
} catch {}
}
} catch {}
}
p = Object.getPrototypeOf(p);
}
return out;
};
const enumExtension = (ctx, name) => {
try {
const ext = ctx.getExtension(name);
if (!ext) return null;
const out = {};
for (const k of Object.getOwnPropertyNames(Object.getPrototypeOf(ext)).concat(Object.getOwnPropertyNames(ext))) {
try {
const v = ext[k];
if (typeof v === "function") continue;
out[k] = v instanceof Float32Array || v instanceof Int32Array ? Array.from(v) : v;
} catch {}
}
return out;
} catch { return null; }
};
try { result.extensions = gl.getSupportedExtensions(); } catch {}
result.params = walkGlParams(gl);
try {
const dbgExt = gl.getExtension("WEBGL_debug_renderer_info");
if (dbgExt) {
result.unmaskedVendor = gl.getParameter(dbgExt.UNMASKED_VENDOR_WEBGL);
result.unmaskedRenderer = gl.getParameter(dbgExt.UNMASKED_RENDERER_WEBGL);
}
} catch {}
if (result.extensions) {
result.extensionData = {};
for (const name of result.extensions) {
const d = enumExtension(gl, name);
if (d && Object.keys(d).length) result.extensionData[name] = d;
}
}
const c2 = document.createElement("canvas");
const gl2 = c2.getContext("webgl2");
if (gl2) {
result.webgl2 = { available: true, params: {}, extensions: null, extensionData: {} };
try { result.webgl2.extensions = gl2.getSupportedExtensions(); } catch {}
result.webgl2.params = walkGlParams(gl2);
if (result.webgl2.extensions) {
for (const name of result.webgl2.extensions) {
const d = enumExtension(gl2, name);
if (d && Object.keys(d).length) result.webgl2.extensionData[name] = d;
}
}
}
return result;
}
},
{
ns: "storage",
get: async () => {
const est = await navigator.storage.estimate();
return {
quota: est.quota,
usage: est.usage,
persisted: await navigator.storage.persisted().catch(() => null),
};
}
},
{
ns: "fonts",
get: async () => {
const result = { method: null, count: 0, families: null, checks: null };
if (typeof queryLocalFonts === "function") {
try {
const local = await queryLocalFonts();
const families = new Set(local.map(f => f.family));
result.method = "queryLocalFonts";
result.count = families.size;
result.families = [...families].sort();
result.raw = local.map(f => ({ family: f.family, style: f.style, fullName: f.fullName, postscriptName: f.postscriptName }));
} catch(e) {
result.method = "queryLocalFonts_denied";
}
}
if (!result.families) {
const checks = {};
for (const f of FONT_FAMILIES)
try { checks[f.replace(/\s/g,"_")] = document.fonts.check("16px " + f); } catch {}