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1656 lines (1564 loc) · 45.6 KB
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1, viewport-fit=cover" />
<title>FuckMark — Remove statistical marks</title>
<meta name="color-scheme" content="dark" />
<link rel="preconnect" href="https://fonts.googleapis.com" />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Instrument+Serif:ital@0;1&display=swap" rel="stylesheet" />
<style>
:root {
--bg: #050505;
--ink: #f4f4f1;
--mute: #8a8a86;
--faint: #4a4a46;
--line: rgba(255,255,255,0.1);
--ease: cubic-bezier(0.16, 1, 0.3, 1);
--ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
--font: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
--serif: "Instrument Serif", ui-serif, Georgia, serif;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
margin: 0;
background: var(--bg);
color: var(--ink);
font-family: var(--font);
-webkit-font-smoothing: antialiased;
overflow-x: hidden;
}
.glow {
position: fixed; inset: 0; pointer-events: none; z-index: 0;
background:
radial-gradient(820px 460px at 50% 16%, rgba(255,255,255,0.075), transparent 62%),
radial-gradient(900px 560px at 50% 110%, rgba(255,255,255,0.03), transparent 55%);
opacity: 0;
}
.noise {
position: fixed; inset: 0; pointer-events: none; opacity: 0.03; z-index: 1;
background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.stage {
position: relative; z-index: 2;
min-height: 100%;
display: grid;
place-items: start center;
padding: 56px 24px 80px;
}
.card { width: min(560px, 100%); text-align: center; margin-top: min(8vh, 72px); }
h1 {
margin: 0;
font-family: var(--serif);
font-weight: 400;
font-size: clamp(44px, 9vw, 64px);
letter-spacing: -0.04em;
line-height: 0.95;
opacity: 0;
transform: translateY(18px);
}
.lead {
margin: 14px auto 0;
max-width: 34ch;
color: var(--mute);
font-size: 15.5px;
line-height: 1.55;
opacity: 0;
transform: translateY(14px);
}
.panel {
margin-top: 40px;
text-align: left;
}
.label {
display: flex;
align-items: baseline;
justify-content: space-between;
gap: 12px;
margin-bottom: 10px;
font-size: 12px;
letter-spacing: 0.04em;
text-transform: uppercase;
color: var(--faint);
}
.label b {
font-weight: 500;
color: var(--mute);
text-transform: none;
letter-spacing: 0;
font-variant-numeric: tabular-nums;
}
.field {
position: relative;
border-radius: 18px;
transition: transform 700ms var(--ease), filter 700ms var(--ease);
}
.field.is-work {
transform: scale(0.992);
filter: saturate(0.85) brightness(0.92);
}
textarea {
width: 100%;
min-height: 150px;
resize: vertical;
border-radius: 18px;
border: 1px solid var(--line);
background: rgba(255,255,255,0.03);
color: var(--ink);
font: inherit;
font-size: 15.5px;
line-height: 1.55;
padding: 18px;
outline: none;
transition:
border-color 360ms var(--ease-soft),
background 360ms var(--ease-soft),
box-shadow 420ms var(--ease-soft);
}
textarea::placeholder { color: var(--faint); }
textarea:focus {
border-color: rgba(255,255,255,0.3);
background: rgba(255,255,255,0.05);
box-shadow:
0 0 0 4px rgba(255,255,255,0.035),
0 18px 50px rgba(0,0,0,0.28);
}
.go {
width: 100%;
height: 52px;
margin-top: 16px;
border: 0;
border-radius: 999px;
background: #fff;
color: #0a0a0a;
font: inherit;
font-size: 14.5px;
font-weight: 600;
letter-spacing: -0.015em;
cursor: pointer;
position: relative;
overflow: hidden;
display: inline-flex;
align-items: center;
justify-content: center;
gap: 10px;
box-shadow: 0 12px 36px rgba(0,0,0,0.4);
opacity: 0;
transform: translateY(16px) scale(0.98);
transition:
background 320ms var(--ease-soft),
box-shadow 320ms var(--ease-soft),
transform 180ms var(--ease-soft);
}
.go:hover:not(:disabled) { background: #ececeb; box-shadow: 0 16px 44px rgba(0,0,0,0.5); }
.go:active:not(:disabled) { transform: scale(0.985); }
.go:disabled { cursor: wait; }
.go .sheen {
position: absolute; inset: 0; pointer-events: none;
background: linear-gradient(105deg, transparent 38%, rgba(255,255,255,0.7) 50%, transparent 62%);
transform: translateX(-140%);
}
.go .spin {
width: 14px; height: 14px; border-radius: 50%;
border: 2px solid rgba(0,0,0,0.12); border-top-color: #111;
display: none; animation: spin .75s linear infinite;
}
.go.is-load .spin { display: block; }
.go .label-t {
display: inline-block;
transition: opacity 280ms var(--ease-soft), transform 280ms var(--ease-soft);
}
.go.is-load .label-t { opacity: 0.5; transform: translateY(1px); }
@keyframes spin { to { transform: rotate(360deg); } }
.after {
display: grid;
grid-template-rows: 0fr;
margin-top: 0;
opacity: 0;
filter: blur(8px);
transform: translateY(10px);
transition:
grid-template-rows 900ms var(--ease),
opacity 780ms var(--ease),
filter 900ms var(--ease),
transform 900ms var(--ease),
margin-top 900ms var(--ease);
pointer-events: none;
text-align: left;
}
.after.open {
grid-template-rows: 1fr;
opacity: 1;
filter: blur(0);
transform: translateY(0);
margin-top: 28px;
pointer-events: auto;
}
.after-inner { overflow: hidden; min-height: 0; }
.success {
display: flex;
align-items: flex-start;
gap: 14px;
padding: 18px 18px;
border-radius: 18px;
border: 1px solid rgba(255,255,255,0.12);
background: linear-gradient(180deg, rgba(255,255,255,0.055), rgba(255,255,255,0.025));
opacity: 0;
transform: translateY(10px) scale(0.98);
}
.success .check {
flex: 0 0 36px;
width: 36px; height: 36px;
border-radius: 50%;
display: grid; place-items: center;
background: #fff;
color: #0a0a0a;
box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}
.success .check svg { width: 18px; height: 18px; display: block; }
.success h2 {
margin: 2px 0 0;
font-size: 17px;
font-weight: 600;
letter-spacing: -0.02em;
}
.success p {
margin: 6px 0 0;
color: var(--mute);
font-size: 13.5px;
line-height: 1.45;
}
.history {
margin-top: 22px;
opacity: 0;
transform: translateY(12px);
}
.history .label { margin-bottom: 12px; }
.history-list {
list-style: none;
margin: 0;
padding: 0;
display: grid;
gap: 8px;
}
.history-list:empty::after {
content: "No history yet";
display: block;
color: var(--faint);
font-size: 13.5px;
padding: 8px 2px;
}
.h-item {
display: grid;
grid-template-columns: 1fr auto;
gap: 12px;
align-items: center;
padding: 14px 14px;
border-radius: 14px;
border: 1px solid var(--line);
background: rgba(255,255,255,0.025);
opacity: 0;
transform: translateY(8px);
}
.h-item .preview {
min-width: 0;
font-size: 13.5px;
line-height: 1.4;
color: var(--ink);
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.h-item .meta {
margin-top: 4px;
font-size: 11.5px;
color: var(--faint);
font-variant-numeric: tabular-nums;
}
.h-item .copy-one {
appearance: none;
border: 1px solid var(--line);
background: transparent;
color: var(--ink);
font: inherit;
font-size: 12.5px;
font-weight: 600;
height: 34px;
padding: 0 12px 0 10px;
border-radius: 999px;
cursor: pointer;
white-space: nowrap;
display: inline-flex;
align-items: center;
gap: 6px;
transition: background 240ms var(--ease-soft), border-color 240ms var(--ease-soft);
}
.h-item .copy-one svg { width: 14px; height: 14px; display: block; }
.h-item .copy-one:hover {
background: rgba(255,255,255,0.05);
border-color: rgba(255,255,255,0.22);
}
.fine {
margin-top: 24px;
font-size: 12px;
color: var(--faint);
line-height: 1.5;
opacity: 0;
}
.work {
opacity: 0;
transform: translateY(18px);
}
.work.is-bursting {
pointer-events: none;
}
.fail-view {
display: none;
flex-direction: column;
align-items: center;
margin-top: 40px;
min-height: 280px;
width: 100%;
}
.fail-view.show { display: flex; }
.fail-icon {
width: 80px;
height: 80px;
color: var(--ink);
margin-bottom: 22px;
}
.fail-icon svg {
width: 80px;
height: 80px;
display: block;
overflow: visible;
}
.fail-copy {
width: 100%;
max-width: 42ch;
}
.fail-title {
margin: 0;
font-size: 18px;
font-weight: 500;
letter-spacing: -0.025em;
line-height: 1.45;
}
.fail-sub {
margin: 12px 0 0;
color: var(--mute);
font-size: 14.5px;
line-height: 1.55;
}
.fail-ask {
margin: 18px 0 0;
color: var(--mute);
font-size: 14.5px;
line-height: 1.55;
}
.text-link {
appearance: none;
border: 0;
background: none;
color: var(--ink);
font: inherit;
padding: 0;
cursor: pointer;
border-bottom: 1px solid rgba(255,255,255,0.22);
transition: border-color 220ms var(--ease-soft), color 220ms var(--ease-soft);
}
.text-link:hover { border-color: rgba(255,255,255,0.55); }
.try-again {
appearance: none;
border: 0;
background: none;
color: var(--faint);
font: inherit;
font-size: 13px;
margin-top: 22px;
padding: 0;
cursor: pointer;
border-bottom: 1px solid transparent;
transition: color 220ms var(--ease-soft), border-color 220ms var(--ease-soft);
}
.try-again:hover {
color: var(--ink);
border-color: rgba(255,255,255,0.22);
}
.tf {
width: 100%;
text-align: left;
position: relative;
min-height: 260px;
overflow: hidden;
padding: 0 8px;
}
.tf-step {
width: 100%;
}
.tf-step.is-leave, .tf-step.is-enter {
position: absolute;
left: 0; right: 0; top: 0;
will-change: transform, opacity;
}
.tf-num {
font-size: 12.5px;
color: var(--faint);
letter-spacing: 0.04em;
margin-bottom: 10px;
font-variant-numeric: tabular-nums;
}
.tf-q {
margin: 0 0 18px;
font-family: var(--serif);
font-weight: 400;
font-size: clamp(26px, 5vw, 32px);
letter-spacing: -0.03em;
line-height: 1.15;
}
.tf input[type="text"] {
width: 100%;
height: 52px;
border-radius: 14px;
border: 1px solid var(--line);
background: rgba(255,255,255,0.03);
color: var(--ink);
font: inherit;
font-size: 15px;
padding: 0 16px;
outline: none;
transition: border-color 240ms var(--ease-soft), background 240ms var(--ease-soft), box-shadow 240ms var(--ease-soft);
}
.tf input[type="text"]::placeholder { color: var(--faint); }
.tf input[type="text"]:focus,
.tf textarea:focus {
border-color: rgba(255,255,255,0.28);
background: rgba(255,255,255,0.05);
box-shadow: 0 0 0 4px rgba(255,255,255,0.04);
}
.tf textarea {
min-height: 120px;
resize: none;
}
.tf-go {
width: auto;
min-width: 140px;
height: 44px;
margin-top: 16px;
padding: 0 22px;
border: 0;
border-radius: 999px;
background: #fff;
color: #0a0a0a;
font: inherit;
font-size: 14px;
font-weight: 600;
letter-spacing: -0.015em;
cursor: pointer;
box-shadow: 0 10px 28px rgba(0,0,0,0.35);
transition: background 280ms var(--ease-soft), transform 160ms var(--ease-soft);
}
.tf-go:hover { background: #ececeb; }
.tf-go:active { transform: scale(0.985); }
.tf-done {
color: var(--mute);
font-size: 14.5px;
line-height: 1.55;
text-align: center;
}
.tf-done .addr {
display: block;
margin-top: 10px;
color: var(--ink);
font-size: 13.5px;
}
.tf-done .again {
display: inline-block;
margin-top: 14px;
}
.gear {
position: fixed;
top: 18px;
right: 18px;
z-index: 32;
width: 40px;
height: 40px;
border-radius: 50%;
border: 1px solid var(--line);
background: transparent;
color: var(--ink);
display: grid;
place-items: center;
cursor: pointer;
padding: 0;
opacity: 0;
transform: translateY(-8px);
transition:
background 240ms var(--ease-soft),
border-color 240ms var(--ease-soft);
}
.gear:hover {
background: rgba(255,255,255,0.05);
border-color: rgba(255,255,255,0.22);
}
.gear svg { width: 18px; height: 18px; display: block; overflow: visible; }
.sheet-back {
position: fixed;
inset: 0;
z-index: 30;
background: rgba(0,0,0,0.28);
opacity: 0;
pointer-events: none;
transition: opacity 520ms var(--ease);
}
.sheet-back.on {
opacity: 1;
pointer-events: auto;
}
.sheet {
position: fixed;
top: 68px;
right: 18px;
z-index: 31;
width: min(280px, calc(100vw - 36px));
padding: 18px 18px 16px;
border-radius: 16px;
border: 1px solid var(--line);
background: rgba(12,12,12,0.92);
backdrop-filter: blur(18px);
-webkit-backdrop-filter: blur(18px);
text-align: left;
opacity: 0;
pointer-events: none;
transform: translateY(-10px) scale(0.98);
filter: blur(6px);
transition:
opacity 640ms var(--ease),
transform 640ms var(--ease),
filter 640ms var(--ease);
}
.sheet.on {
opacity: 1;
pointer-events: auto;
transform: none;
filter: blur(0);
}
.sheet p {
margin: 0;
font-size: 13.5px;
color: var(--mute);
line-height: 1.5;
}
.sheet .clear {
appearance: none;
margin-top: 14px;
border: 1px solid var(--line);
background: transparent;
color: var(--ink);
font: inherit;
font-size: 13px;
font-weight: 600;
height: 36px;
padding: 0 14px;
border-radius: 999px;
cursor: pointer;
transition: background 240ms var(--ease-soft), border-color 240ms var(--ease-soft);
}
.sheet .clear:hover {
background: rgba(255,255,255,0.05);
border-color: rgba(255,255,255,0.22);
}
.toast {
position: fixed;
left: 50%;
bottom: 28px;
transform: translateX(-50%) translateY(14px);
z-index: 40;
padding: 10px 16px;
border-radius: 999px;
background: rgba(20,20,20,0.92);
border: 1px solid rgba(255,255,255,0.1);
color: var(--ink);
font-size: 13px;
opacity: 0;
pointer-events: none;
backdrop-filter: blur(12px);
transition: opacity 420ms var(--ease), transform 420ms var(--ease);
}
.toast.on {
opacity: 1;
transform: translateX(-50%) translateY(0);
}
#burst {
position: fixed;
inset: 0;
pointer-events: none;
z-index: 50;
}
@media (prefers-reduced-motion: reduce) {
h1, .lead, .work, .go, .fine, .glow, .after, .success, .history, .h-item, .gear {
opacity: 1 !important;
transform: none !important;
filter: none !important;
transition: none !important;
}
.after { grid-template-rows: 1fr !important; margin-top: 28px !important; pointer-events: auto !important; }
.sheet, .sheet-back { transition: none !important; }
}
</style>
</head>
<body>
<div class="glow" id="glow" aria-hidden="true"></div>
<div class="noise" aria-hidden="true"></div>
<canvas id="burst" aria-hidden="true"></canvas>
<button class="gear" id="gear" type="button" aria-label="Settings" aria-expanded="false" aria-controls="sheet">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
<path id="gearPath"></path>
</svg>
</button>
<div class="sheet-back" id="sheetBack"></div>
<div class="sheet" id="sheet" role="dialog" aria-label="Settings">
<p id="sheetCopy">Uses the local FuckMark Python server when available. Falls back to in-browser detect.</p>
<button class="clear" id="clearHist" type="button">Clear history</button>
</div>
<main class="stage">
<div class="card">
<h1 id="title">FuckMark</h1>
<p class="lead" id="lead">No CLI needed. Paste text here.<br>FuckMark checks for its insertions, then strips them.</p>
<div class="work" id="work">
<div class="panel" id="panel">
<div class="label"><span>Input</span><b id="inMeta">0 chars</b></div>
<div class="field" id="field">
<textarea id="input" spellcheck="false" placeholder="Paste text to scan for FuckMark insertions…"></textarea>
</div>
</div>
<button class="go" id="go" type="button">
<span class="sheen" id="sheen" aria-hidden="true"></span>
<span class="spin" aria-hidden="true"></span>
<span class="label-t" id="goLabel">Remove marks</span>
</button>
<div class="after" id="after" aria-live="polite">
<div class="after-inner">
<div class="success" id="success">
<div class="check" aria-hidden="true">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.4" stroke-linecap="round" stroke-linejoin="round">
<path id="okPath"></path>
</svg>
</div>
<div>
<h2>Success</h2>
<p id="successMsg">Text copied to your clipboard.</p>
</div>
</div>
<section class="history" id="history">
<div class="label"><span>History</span><b id="histCount">0</b></div>
<ul class="history-list" id="histList"></ul>
</section>
</div>
</div>
<p class="fine" id="fine">Uses the local FuckMark Python server when available. Falls back to in-browser detect if the API is down. Contact Fhelp@q1z.org if a miss is wrong.</p>
</div>
<div class="fail-view" id="failView" aria-live="polite">
<div class="fail-icon" id="failIcon" aria-hidden="true">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.6" stroke-linecap="round" stroke-linejoin="round">
<path id="failPath"></path>
</svg>
</div>
<div class="fail-copy" id="failCopy">
<p class="fail-title">We did not detect a watermark in this text.</p>
<p class="fail-sub">Closed-set scan of FuckMark insertion characters only. Not a general AI-watermark detector.</p>
<p class="fail-ask">What? You think there is a watermark in this? <button type="button" class="text-link" id="contactUs">Contact us</button></p>
<button type="button" class="try-again" id="tryAgain">Try again</button>
</div>
<div class="tf" id="tf" hidden>
<div class="tf-step" id="step1">
<div class="tf-num">1 →</div>
<h3 class="tf-q">Where did this text come from?</h3>
<input id="q1" type="text" autocomplete="off" placeholder="ChatGPT, a friend, a website…" />
<button class="tf-go" id="tfNext" type="button">Continue</button>
</div>
<div class="tf-step" id="step2" hidden>
<div class="tf-num">2 →</div>
<h3 class="tf-q">Please paste your text.</h3>
<textarea id="q2" spellcheck="false" placeholder="Paste the text here…"></textarea>
<button class="tf-go" id="tfSubmit" type="button">Submit</button>
</div>
<div class="tf-done" id="tfDone" hidden>
<p>Your email app should open. Hit send when you’re ready.</p>
<a class="text-link again" id="mailAgain" href="#">Open email again</a>
<span class="addr" id="mailAddr" hidden>Fhelp@q1z.org</span>
<div><button type="button" class="try-again" id="tryAgain2">Try again</button></div>
</div>
</div>
</div>
</div>
</main>
<div class="toast" id="toast" role="status"></div>
<script type="module">
import { createMorph } from "https://esm.sh/morphicons@1.7.0/dom";
import { CircleAlert, Frown, Settings, X, Check, Copy } from "https://esm.sh/lucide@1.34.0";
const reduce = matchMedia("(prefers-reduced-motion: reduce)").matches;
const easeExpo = (t) => (t >= 1 ? 1 : 1 - Math.pow(2, -11 * t));
const ease = "cubic-bezier(0.16, 1, 0.3, 1)";
const FM_MARKS = ["\u034F", "\uFE00"];
const FM_CCS = [
"\u007F",
"\u0080", "\u0081", "\u0082", "\u0083", "\u0084",
"\u0086", "\u0087", "\u0088", "\u0089", "\u008A", "\u008B", "\u008C", "\u008D",
"\u008E", "\u008F", "\u0090", "\u0091", "\u0092", "\u0093", "\u0094", "\u0095",
"\u0096", "\u0097", "\u0098", "\u0099", "\u009A", "\u009B", "\u009C", "\u009D",
"\u009E", "\u009F",
];
const FM_ME = "\u20DD";
const FM_CFS = Array.from({ length: 9 }, (_, i) => String.fromCodePoint(0x13430 + i));
const FM_IAS = ["\uFFF9", "\uFFFA", "\uFFFB"];
const FM_CARRIER_SET = new Set(
[...FM_MARKS, ...FM_CCS, FM_ME, ...FM_CFS, ...FM_IAS].map((ch) => ch.codePointAt(0))
);
const HIST_KEY = "mark.history.v1";
const HIST_MAX = 20;
const glow = document.getElementById("glow");
const title = document.getElementById("title");
const lead = document.getElementById("lead");
const work = document.getElementById("work");
const panel = document.getElementById("panel");
const field = document.getElementById("field");
const input = document.getElementById("input");
const go = document.getElementById("go");
const goLabel = document.getElementById("goLabel");
const sheen = document.getElementById("sheen");
const after = document.getElementById("after");
const success = document.getElementById("success");
const successMsg = document.getElementById("successMsg");
const history = document.getElementById("history");
const histList = document.getElementById("histList");
const histCount = document.getElementById("histCount");
const inMeta = document.getElementById("inMeta");
const fine = document.getElementById("fine");
const toast = document.getElementById("toast");
const gear = document.getElementById("gear");
const sheet = document.getElementById("sheet");
const sheetBack = document.getElementById("sheetBack");
const clearHist = document.getElementById("clearHist");
const failView = document.getElementById("failView");
const failCopy = document.getElementById("failCopy");
const failIcon = document.getElementById("failIcon");
const tf = document.getElementById("tf");
const step1 = document.getElementById("step1");
const step2 = document.getElementById("step2");
const tfDone = document.getElementById("tfDone");
const q1 = document.getElementById("q1");
const q2 = document.getElementById("q2");
const tfNext = document.getElementById("tfNext");
const tfSubmit = document.getElementById("tfSubmit");
const mailAgain = document.getElementById("mailAgain");
const mailAddr = document.getElementById("mailAddr");
const canvas = document.getElementById("burst");
const ctx = canvas.getContext("2d");
const gearMorph = createMorph(document.getElementById("gearPath"), Settings);
const failMorph = createMorph(document.getElementById("failPath"), CircleAlert);
const okMorph = createMorph(document.getElementById("okPath"), Check);
let busy = false;
let toastT = 0;
let afterOpen = false;
let sheetOpen = false;
let failLoopOn = false;
let failLoopGen = 0;
let lastSrc = "";
let lastMailto = "";
let demoRun = false;
let backendReady = false;
const copyMorphs = [];
function sleep(ms) {
return new Promise((r) => setTimeout(r, ms));
}
function tween(from, to, dur, delay, apply, easing = easeExpo) {
return new Promise((resolve) => {
if (reduce) {
apply(to);
resolve();
return;
}
const startT = performance.now() + (delay || 0);
function frame(now) {
if (now < startT) { requestAnimationFrame(frame); return; }
const p = Math.min(1, (now - startT) / dur);
const e = easing(p);
const cur = {};
for (const k of Object.keys(to)) cur[k] = from[k] + (to[k] - from[k]) * e;
apply(cur);
if (p < 1) requestAnimationFrame(frame);
else resolve();
}
requestAnimationFrame(frame);
});
}
function rise(el, dur, delay, fromY = 16) {
el.style.opacity = "0";
el.style.transform = `translateY(${fromY}px)`;
return tween(
{ o: 0, y: fromY },
{ o: 1, y: 0 },
dur,
delay,
({ o, y }) => {
el.style.opacity = String(o);
el.style.transform = `translateY(${y}px)`;
}
);
}
function fade(el, to, dur, delay = 0) {
const from = parseFloat(getComputedStyle(el).opacity) || 0;
return tween({ o: from }, { o: to }, dur, delay, ({ o }) => {
el.style.opacity = String(o);
});
}
function tip(msg) {
toast.textContent = msg;
toast.classList.add("on");
clearTimeout(toastT);
toastT = setTimeout(() => toast.classList.remove("on"), 1700);
}
function isFuckMarkCarrier(cp) {
return FM_CARRIER_SET.has(cp);
}
function hasMarks(text) {
for (const ch of text) {
if (isFuckMarkCarrier(ch.codePointAt(0))) return true;
}
return false;
}
function stripMarks(text) {
let removed = 0;
let out = "";
for (const ch of text) {
if (isFuckMarkCarrier(ch.codePointAt(0))) {
removed += 1;
continue;
}
out += ch;
}
return { text: out, removed };
}
function detectFuckMark(text) {
let found = 0;
let mark = 0;
let cc = 0;
let me = 0;
let cf = 0;
let ia = 0;
let first = "";
let index = 0;
for (const ch of text) {
const cp = ch.codePointAt(0);
if (!isFuckMarkCarrier(cp)) {
index += 1;
continue;
}
if (!first) first = "U+" + cp.toString(16).toUpperCase().padStart(4, "0") + "@" + index;
found += 1;
if (cp === 0x034f || cp === 0xfe00) mark += 1;
else if (cp === 0x20dd) me += 1;
else if (cp >= 0x13430 && cp <= 0x13438) cf += 1;
else if (cp >= 0xfff9 && cp <= 0xfffb) ia += 1;
else cc += 1;
index += 1;
}
return { detected: found > 0, found, mark, cc, me, cf, ia, first };
}
async function probeBackend() {
try {
const ctrl = new AbortController();
const timer = setTimeout(() => ctrl.abort(), 800);
const response = await fetch("/api/health", { cache: "no-store", signal: ctrl.signal });
clearTimeout(timer);
if (!response.ok) return false;
const payload = await response.json();
return !!(payload && payload.ok === true && payload.backend === "python");
} catch {
return false;
}
}
function applyBackendCopy(connected) {
fine.textContent = connected
? "Talks to the local FuckMark Python server. Detect and strip use the same engine as fuckmark --detect. Contact Fhelp@q1z.org if a miss is wrong."
: "Uses the local FuckMark Python server when available. Falls back to in-browser detect if the API is down. Contact Fhelp@q1z.org if a miss is wrong.";
const sheetCopy = document.getElementById("sheetCopy");
if (sheetCopy) {
sheetCopy.textContent = connected
? "Talks to the local FuckMark Python server. Same engine as fuckmark --detect."
: "Uses the local FuckMark Python server when available. Falls back to in-browser detect.";
}
}
function scanLocal(src) {
const scan = detectFuckMark(src);
if (!scan.detected) return { detected: false, text: src, removed: 0 };
const stripped = stripMarks(src);
return { detected: true, text: stripped.text, removed: stripped.removed };
}
async function scanViaPython(src) {
const response = await fetch("/api/remove-marks", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({ text: src }),
});
const payload = await response.json();
if (!payload || payload.backend !== "python") throw new Error("not-python");
if (payload.reason === "too-large") throw new Error("too-large");
if (payload.reason === "not-detected") {
return { detected: false, text: src, removed: 0 };
}
if (payload.ok === true && payload.reason === "stripped" && typeof payload.text === "string") {
return { detected: true, text: payload.text, removed: Number(payload.removed) || 0 };
}
throw new Error("bad");
}
async function scanText(src) {
if (backendReady) {
try {
return await scanViaPython(src);
} catch (err) {
if (String(err && err.message) === "too-large") throw err;
return scanLocal(src);
}
}
return scanLocal(src);
}
function morphIcon(m, icon, spring) {
if (!m) return;
if (reduce) m.set(icon);
else m.morphTo(icon, spring);
}
function sizeCanvas() {
const dpr = Math.min(window.devicePixelRatio || 1, 2);
canvas.width = Math.floor(innerWidth * dpr);
canvas.height = Math.floor(innerHeight * dpr);
canvas.style.width = innerWidth + "px";
canvas.style.height = innerHeight + "px";
ctx.setTransform(dpr, 0, 0, dpr, 0, 0);
}
sizeCanvas();
addEventListener("resize", sizeCanvas);
function burstFromMany(els) {
return new Promise((resolve) => {
if (reduce) { resolve(); return; }
const parts = [];
for (const el of els) {
if (!el) continue;
const r = el.getBoundingClientRect();
if (r.width < 2 && r.height < 2) continue;