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|
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>writing desk</title>
<link rel="icon" href="/favicon.ico">
<style>
@font-face{font-family:"Fira Code";font-weight:400;font-display:swap;src:url("/fira/woff2/FiraCode-Regular.woff2") format("woff2");}
@font-face{font-family:"Fira Code";font-weight:500;font-display:swap;src:url("/fira/woff2/FiraCode-Medium.woff2") format("woff2");}
@font-face{font-family:"Fira Code";font-weight:700;font-display:swap;src:url("/fira/woff2/FiraCode-Bold.woff2") format("woff2");}
:root{
--bg:#1d2021; --bg1:#282828; --bg2:#32302f; --bg3:#3c3836;
--fg:#ebdbb2; --fg-dim:#a89984; --fg-faint:#7c6f64;
--red:#fb4934; --green:#b8bb26; --yellow:#fabd2f;
--blue:#83a598; --purple:#d3869b; --aqua:#8ec07c; --orange:#fe8019;
}
*{box-sizing:border-box;}
html,body{height:100%;}
body{
margin:0; background:var(--bg); color:var(--fg);
font:13px/1.6 "Fira Code",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
display:grid; grid-template-rows:2.6rem 1fr 1.7rem; overflow:hidden;
}
button{font:inherit; cursor:pointer;}
::selection{background:var(--yellow); color:var(--bg);}
/* ---------- top bar ---------- */
.bar{
display:flex; align-items:center; gap:.5rem; padding:0 .8rem;
background:var(--bg1); border-bottom:1px solid var(--bg3); min-width:0;
}
.bar__brand{color:var(--fg-faint); font-size:.78rem; white-space:nowrap; margin-right:.4rem;}
.bar__spacer{flex:1 1 auto;}
.btn{
appearance:none; background:var(--bg2); border:1px solid var(--bg3); color:var(--fg-dim);
font-size:.75rem; padding:.28rem .8rem; white-space:nowrap;
}
.btn:hover{background:var(--bg3); color:var(--fg);}
.btn:focus-visible{outline:2px solid var(--aqua); outline-offset:1px;}
.btn--go{border-color:var(--green); color:var(--green);}
.btn--go:hover{background:var(--green); color:var(--bg);}
.btn--warn{border-color:var(--bg3); color:var(--fg-faint);}
.btn--warn:hover{background:var(--red); border-color:var(--red); color:var(--bg);}
.btn[disabled]{opacity:.35; pointer-events:none;}
.pill{font-size:.68rem; letter-spacing:.08em; text-transform:uppercase; padding:.15rem .5rem; border:1px solid;}
.pill--draft{color:var(--orange); border-color:var(--orange);}
.pill--published{color:var(--green); border-color:var(--green);}
.dot{color:var(--yellow); font-size:1.1rem; line-height:1; width:.7rem;}
/* ---------- panes ---------- */
.panes{display:grid; grid-template-columns:15rem 1fr 1fr; min-height:0;}
.pane{min-width:0; min-height:0; display:flex; flex-direction:column; border-right:1px solid var(--bg3);}
.pane:last-child{border-right:0;}
.pane__head{
flex:0 0 auto; display:flex; align-items:center; gap:.5rem;
background:var(--bg2); border-bottom:1px solid var(--bg3); padding:.3rem .7rem;
font-size:.68rem; letter-spacing:.09em; text-transform:uppercase; color:var(--fg-faint);
}
.pane__head b{color:var(--yellow); font-weight:500; letter-spacing:.09em;}
.pane__head .right{margin-left:auto; text-transform:none; letter-spacing:0;}
/* ---------- sidebar ---------- */
.side{overflow-y:auto; padding-bottom:1rem;}
.side__group{color:var(--fg-faint); font-size:.65rem; letter-spacing:.1em; text-transform:uppercase; padding:.9rem .8rem .3rem;}
.item{
display:block; width:100%; text-align:left; background:none; border:0;
color:var(--fg-dim); padding:.4rem .8rem; border-left:2px solid transparent;
}
.item:hover{background:var(--bg1); color:var(--fg);}
.item.is-active{background:var(--bg2); color:var(--fg); border-left-color:var(--yellow);}
.item__title{display:block; font-size:.8rem; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;}
.item__meta{display:block; font-size:.65rem; color:var(--fg-faint);}
.side__empty{color:var(--fg-faint); font-size:.72rem; padding:.4rem .8rem;}
/* ---------- editor ---------- */
.meta{flex:0 0 auto; padding:.7rem .9rem .55rem; border-bottom:1px solid var(--bg3); background:var(--bg);}
.meta input{
background:none; border:0; outline:none; color:var(--fg); font:inherit; width:100%; padding:0;
}
.meta input::placeholder{color:var(--fg-faint);}
.meta__title{font-size:1.05rem; font-weight:700; margin-bottom:.35rem;}
.meta__row{display:flex; gap:.9rem; flex-wrap:wrap; align-items:baseline; font-size:.72rem; color:var(--fg-faint);}
.meta__field{display:flex; align-items:baseline; gap:.35rem; min-width:0;}
.meta__field label{flex:0 0 auto;}
.meta__field input{font-size:.72rem; color:var(--fg-dim); width:auto; min-width:4rem;}
.meta__field--grow{flex:1 1 8rem;}
.meta__field--grow input{width:100%;}
.meta__field input:focus{color:var(--aqua);}
.linkbtn{appearance:none; background:none; border:0; padding:0; color:var(--fg-dim); font-size:.72rem;}
.linkbtn:hover,.linkbtn:focus-visible{color:var(--aqua); outline:none;}
.linkbtn--x:hover,.linkbtn--x:focus-visible{color:var(--red);}
.linkbtn[disabled]{opacity:.35; pointer-events:none;}
textarea{
flex:1 1 auto; min-height:0; width:100%; resize:none;
background:var(--bg); border:0; outline:none; color:var(--fg);
font:inherit; font-size:.84rem; line-height:1.75; padding:1rem 1.1rem;
tab-size:2;
}
textarea::placeholder{color:var(--fg-faint);}
textarea::-webkit-scrollbar,.side::-webkit-scrollbar{width:10px;}
textarea::-webkit-scrollbar-thumb,.side::-webkit-scrollbar-thumb{background:var(--bg3);}
/* ---------- preview ---------- */
.preview{flex:1 1 auto; min-height:0; border:0; width:100%; background:var(--bg);}
/* ---------- status ---------- */
.foot{
display:flex; align-items:center; gap:1.1rem; padding:0 .8rem;
background:var(--bg2); border-top:1px solid var(--bg3);
font-size:.68rem; color:var(--fg-faint); white-space:nowrap; overflow:hidden;
}
.foot kbd{color:var(--yellow); font:inherit;}
.foot__msg{margin-left:auto; color:var(--aqua); overflow:hidden; text-overflow:ellipsis;}
.foot__msg.is-err{color:var(--red);}
/* ---------- history ---------- */
.sheet{
position:fixed; inset:0; background:rgba(0,0,0,.55); z-index:20;
display:none; align-items:flex-start; justify-content:center; padding:4rem 1rem;
}
.sheet.is-open{display:flex;}
.sheet__box{
background:var(--bg1); border:1px solid var(--bg3); width:min(30rem,100%);
max-height:70vh; display:flex; flex-direction:column;
}
.sheet__head{
background:var(--bg2); border-bottom:1px solid var(--bg3); padding:.4rem .8rem;
font-size:.7rem; letter-spacing:.09em; text-transform:uppercase; color:var(--fg-faint);
display:flex; align-items:center; gap:.6rem;
}
.sheet__head b{color:var(--yellow); font-weight:500; letter-spacing:.09em;}
.sheet__head .right{margin-left:auto; text-transform:none; letter-spacing:0;}
.sheet__list{overflow-y:auto;}
.sheet__note{color:var(--fg-faint); font-size:.72rem; padding:.9rem .8rem;}
.snap{
display:flex; width:100%; text-align:left; background:none; border:0;
border-bottom:1px solid var(--bg3); color:var(--fg-dim);
padding:.5rem .8rem; gap:.8rem; align-items:baseline;
}
.snap:last-child{border-bottom:0;}
.snap:hover{background:var(--bg2); color:var(--fg);}
.snap__when{font-size:.8rem;}
.snap__size{margin-left:auto; font-size:.68rem; color:var(--fg-faint);}
.snap--current .snap__when{color:var(--green);}
/* ---------- syntax reference ---------- */
#syntaxSheet{padding-top:2rem;}
#syntaxSheet .sheet__box{width:min(40rem,100%); max-height:calc(100vh - 4rem);}
.headbtn{
appearance:none; background:none; border:0; padding:0;
color:var(--fg-faint); font:inherit; font-size:.68rem;
letter-spacing:.09em; text-transform:uppercase;
}
.headbtn:hover,.headbtn:focus-visible{color:var(--aqua); outline:none;}
.ref{overflow-y:auto;}
.ref__row{
display:grid; grid-template-columns:minmax(11rem,4fr) 5fr; gap:1rem;
padding:.42rem .8rem; border-bottom:1px solid var(--bg2); align-items:baseline;
}
.ref__row:last-child{border-bottom:0;}
.ref__md{color:var(--yellow); font-size:.78rem; white-space:pre-wrap;}
.ref__what{color:var(--fg-dim); font-size:.74rem;}
.ref__group{
padding:.7rem .8rem .25rem; color:var(--fg-faint); font-size:.65rem;
letter-spacing:.1em; text-transform:uppercase;
}
.empty{
flex:1 1 auto; display:flex; flex-direction:column; align-items:center; justify-content:center;
gap:.6rem; color:var(--fg-faint); font-size:.8rem; text-align:center; padding:2rem;
}
@media (max-width:1100px){
.panes{grid-template-columns:11rem 1fr 1fr;}
}
@media (max-width:820px){
.panes{grid-template-columns:1fr;}
.pane--side,.pane--preview{display:none;}
}
</style>
</head>
<body>
<header class="bar">
<span class="bar__brand">~/writing</span>
<span class="dot" id="dirty" title="unsaved changes"></span>
<span class="pill pill--draft" id="statusPill">draft</span>
<span class="bar__spacer"></span>
<button class="btn" id="btnHistory" type="button">history</button>
<button class="btn" id="btnPreview" type="button">open preview</button>
<button class="btn" id="btnSave" type="button">save</button>
<button class="btn btn--go" id="btnPublish" type="button">publish</button>
<button class="btn btn--warn" id="btnDelete" type="button">delete</button>
</header>
<main class="panes">
<section class="pane pane--side">
<div class="pane__head"><b>posts</b><span class="right"><button class="btn" id="btnNew" type="button">new</button></span></div>
<div class="side" id="side"></div>
</section>
<section class="pane pane--editor">
<div class="pane__head"><b>source</b><button class="headbtn" id="btnSyntax" type="button" title="markdown reference (ctrl+/)">syntax?</button><span class="right" id="counts"></span></div>
<div class="meta">
<input class="meta__title" id="fTitle" type="text" placeholder="Title" spellcheck="false" autocomplete="off">
<div class="meta__row">
<span class="meta__field"><label for="fDate">date</label><input id="fDate" type="date"></span>
<span class="meta__field meta__field--grow"><label for="fSlug">slug</label><input id="fSlug" type="text" placeholder="auto" spellcheck="false" autocomplete="off"></span>
<span class="meta__field meta__field--grow"><label for="fTags">tags</label><input id="fTags" type="text" placeholder="agents, tooling" spellcheck="false" autocomplete="off"></span>
<span class="meta__field"><label for="fCover">cover</label><button class="linkbtn" id="btnCover" type="button" title="5:2 banner — other shapes are centre-cropped to fit">add 5:2</button><button class="linkbtn linkbtn--x" id="btnCoverRemove" type="button" hidden>× remove</button><input id="fCover" type="file" accept="image/webp,image/png,image/jpeg,image/gif" hidden></span>
</div>
</div>
<textarea id="body" spellcheck="true" placeholder="Write here. Markdown: # heading, **bold**, `code`, > quote, - list, "></textarea>
</section>
<section class="pane pane--preview">
<div class="pane__head"><b>preview</b><span class="right" id="previewNote">live</span></div>
<iframe class="preview" id="preview" title="Live preview"></iframe>
</section>
</main>
<div class="sheet" id="sheet">
<div class="sheet__box" role="dialog" aria-modal="true" aria-label="Version history">
<div class="sheet__head"><b>history</b><span class="right"><button class="btn" id="btnCloseHistory" type="button">close</button></span></div>
<div class="sheet__list" id="snapList"></div>
<p class="sheet__note">Every save that changed something is kept here, newest first. Opening one loads it into the editor without overwriting anything — save to keep it.</p>
</div>
</div>
<div class="sheet" id="syntaxSheet">
<div class="sheet__box" role="dialog" aria-modal="true" aria-label="Markdown reference">
<div class="sheet__head"><b>markdown</b><span class="right"><button class="btn" id="btnCloseSyntax" type="button">close</button></span></div>
<div class="ref">
<div class="ref__group">structure</div>
<div class="ref__row"><span class="ref__md"># Big heading</span><span class="ref__what">section heading — more #, smaller heading (up to ####)</span></div>
<div class="ref__row"><span class="ref__md">---</span><span class="ref__what">divider line between sections</span></div>
<div class="ref__row"><span class="ref__md">> a quote</span><span class="ref__what">pulled-out quote block</span></div>
<div class="ref__row"><span class="ref__md">- first thing</span><span class="ref__what">bullet list, one per line</span></div>
<div class="ref__row"><span class="ref__md">1. first step</span><span class="ref__what">numbered list, one per line</span></div>
<div class="ref__group">inside a sentence</div>
<div class="ref__row"><span class="ref__md">**bold**</span><span class="ref__what">bold — ctrl+b</span></div>
<div class="ref__row"><span class="ref__md">*italic*</span><span class="ref__what">italic, shown underlined (the font has no italics) — ctrl+i</span></div>
<div class="ref__row"><span class="ref__md">~~crossed out~~</span><span class="ref__what">struck through — ctrl+shift+x</span></div>
<div class="ref__row"><span class="ref__md">`code`</span><span class="ref__what">short code or a literal term — ctrl+e</span></div>
<div class="ref__row"><span class="ref__md">[read this](https://…)</span><span class="ref__what">link — ctrl+k; pasting a bare URL also works</span></div>
<div class="ref__group">media & code</div>
<div class="ref__row"><span class="ref__md"></span><span class="ref__what">image on its own line, with the caption shown under it</span></div>
<div class="ref__row"><span class="ref__md">```python
print("hi")
```</span><span class="ref__what">code block — the word after ``` labels the language, optional</span></div>
</div>
<p class="sheet__note"><kbd style="color:var(--yellow)">ctrl</kbd>+<kbd style="color:var(--yellow)">/</kbd> opens and closes this. The formatting keys wrap whatever is selected, and pressing one again takes it back off. The preview pane always shows the truth — when in doubt, just type it and look right.</p>
</div>
</div>
<footer class="foot">
<span><kbd>ctrl</kbd>+<kbd>s</kbd> save</span>
<span><kbd>ctrl</kbd>+<kbd>b</kbd> <kbd>i</kbd> <kbd>k</kbd> format</span>
<span><kbd>ctrl</kbd>+<kbd>/</kbd> syntax</span>
<span>drafts autosave</span>
<span id="fileHint"></span>
<span class="foot__msg" id="msg"></span>
</footer>
<script type="module">
import { renderMarkdown, readingTime, excerpt, plainText } from "/lib/markdown.mjs";
const $ = (id) => document.getElementById(id);
const els = {
side: $("side"), title: $("fTitle"), date: $("fDate"), slug: $("fSlug"), tags: $("fTags"),
body: $("body"), preview: $("preview"), msg: $("msg"), counts: $("counts"), dirty: $("dirty"),
pill: $("statusPill"), fileHint: $("fileHint"), previewNote: $("previewNote"),
};
const MONTHS = ["January","February","March","April","May","June","July","August","September","October","November","December"];
const longDate = (iso) => {
const m = String(iso || "").match(/^(\d{4})-(\d{2})-(\d{2})/);
return m ? `${MONTHS[+m[2] - 1]} ${+m[3]}, ${m[1]}` : "";
};
const slugify = (s) =>
String(s).toLowerCase().normalize("NFKD").replace(new RegExp("[\\u0300-\\u036f]", "g"), "")
.replace(/[^a-z0-9]+/g, "-").replace(/^-+|-+$/g, "").slice(0, 60);
// A slug nobody typed: the title's own, or the "untitled" a body-first draft
// starts with, either one possibly suffixed -2, -3 to dodge a clash. A draft
// leaves these out of the slug field so the slug keeps following the title.
const isAutoSlug = (slug, title) =>
new RegExp(`^(${slugify(title) || "untitled"}|untitled)(-\\d+)?$`).test(slug);
let state = { slug: "", status: "draft", savedSlug: "", savedStatus: "", dirty: false, today: "", cover: null };
let posts = [];
let msgTimer, previewTimer, autosaveTimer;
function flash(text, isError = false) {
els.msg.textContent = text;
els.msg.classList.toggle("is-err", isError);
clearTimeout(msgTimer);
msgTimer = setTimeout(() => { els.msg.textContent = ""; els.msg.classList.remove("is-err"); }, 3200);
}
const api = async (url, options) => {
const res = await fetch(url, options);
if (!res.ok) throw new Error(await res.text());
return res.json();
};
const post = (url, data) =>
api(url, { method: "POST", headers: { "Content-Type": "application/json" }, body: JSON.stringify(data) });
/* ---------- preview ---------- */
// The iframe loads the real post stylesheet, so what shows here is the same
// CSS the published page uses rather than an approximation of it.
const PREVIEW_SHELL = `<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8">
<link rel="stylesheet" href="/style.css">
<link rel="stylesheet" href="/blog.css">
<style>body{overflow:auto;display:block;height:auto;}.main{overflow:visible;}.post{padding-top:1.6rem;}</style>
</head><body><div class="main"><article class="post">
<img class="post__cover" id="pCover" alt="" width="1000" height="400" hidden>
<h1 class="post__title" id="pTitle"></h1>
<p class="post__meta" id="pMeta"></p>
<hr class="post__rule">
<div class="prose" id="pBody"></div>
</article></div></body></html>`;
let previewReady = false;
els.preview.addEventListener("load", () => { previewReady = true; renderPreview(); });
els.preview.srcdoc = PREVIEW_SHELL;
function renderPreview() {
if (!previewReady) return;
const doc = els.preview.contentDocument;
if (!doc || !doc.getElementById("pBody")) return;
const body = els.body.value;
const cover = doc.getElementById("pCover");
cover.hidden = !state.cover;
// Only touch src on a real change, or every keystroke refetches the image.
if (state.cover && cover.getAttribute("src") !== state.cover) cover.src = state.cover;
doc.getElementById("pTitle").textContent = els.title.value || "Untitled";
const tags = els.tags.value.split(",").map((t) => t.trim()).filter(Boolean);
doc.getElementById("pMeta").innerHTML =
`<span>${longDate(els.date.value) || "no date"}</span><span class="sep">·</span>` +
`<span>${readingTime(body)} min read</span>` +
(tags.length ? `<span class="sep">·</span><span class="post__tags">` +
tags.map((t) => `<span class="post__tag">#${t}</span>`).join("") + `</span>` : "");
doc.getElementById("pBody").innerHTML = renderMarkdown(body);
}
function queuePreview() {
clearTimeout(previewTimer);
previewTimer = setTimeout(renderPreview, 90);
}
/* ---------- sidebar ---------- */
function renderSidebar() {
const groups = [
["drafts", posts.filter((p) => p.status === "draft")],
["published", posts.filter((p) => p.status === "published")],
];
els.side.innerHTML = groups
.map(([label, list]) => {
const rows = list.length
? list
.map((p) => {
const active = p.slug === state.savedSlug && p.status === state.savedStatus ? " is-active" : "";
return `<button class="item${active}" data-slug="${p.slug}" type="button">
<span class="item__title">${p.title.replace(/</g, "<")}</span>
<span class="item__meta">${p.date || "no date"} · ${p.minutes} min</span>
</button>`;
})
.join("")
: `<p class="side__empty">nothing yet</p>`;
return `<div class="side__group">${label} (${list.length})</div>${rows}`;
})
.join("");
els.side.querySelectorAll(".item").forEach((btn) => {
btn.addEventListener("click", () => openPost(btn.dataset.slug));
});
}
/* ---------- document state ---------- */
function currentDoc() {
const slug = slugify(els.slug.value || els.title.value) || "untitled";
return {
slug,
status: state.status,
title: els.title.value.trim() || "Untitled",
date: els.date.value || state.today,
description: excerpt(els.body.value),
tags: els.tags.value.split(",").map((t) => t.trim()).filter(Boolean),
body: els.body.value,
previousSlug: state.savedSlug,
previousStatus: state.savedStatus,
};
}
function setDirty(on) {
state.dirty = on;
els.dirty.textContent = on ? "●" : "";
}
function syncChrome() {
const slug = slugify(els.slug.value || els.title.value) || "untitled";
els.pill.textContent = state.status;
els.pill.className = "pill pill--" + state.status;
els.fileHint.textContent = `_writing/${state.status === "draft" ? "drafts" : "posts"}/${slug}.md`;
els.slug.placeholder = slugify(els.title.value) || "auto";
const words = plainText(els.body.value).split(" ").filter(Boolean).length;
els.counts.textContent = `${words} words · ${readingTime(els.body.value)} min`;
els.previewNote.textContent = state.status === "draft" ? "live · draft" : "live";
$("btnPublish").textContent = state.status === "draft" ? "publish" : "rebuild";
$("btnDelete").disabled = !state.savedSlug;
$("btnHistory").disabled = !state.savedSlug;
$("btnPreview").disabled = !state.savedSlug;
}
function onEdit() {
setDirty(true);
syncChrome();
queuePreview();
clearTimeout(autosaveTimer);
// Drafts save themselves so nothing is ever lost mid-thought. A published
// post only changes when you say so.
if (state.status === "draft") autosaveTimer = setTimeout(() => save({ quiet: true }), 1600);
}
[els.title, els.date, els.slug, els.tags, els.body].forEach((el) => {
el.addEventListener("input", onEdit);
});
// Tab indents rather than escaping the writing area.
els.body.addEventListener("keydown", (e) => {
if (e.key !== "Tab") return;
e.preventDefault();
const { selectionStart: a, selectionEnd: b, value } = els.body;
els.body.value = value.slice(0, a) + " " + value.slice(b);
els.body.selectionStart = els.body.selectionEnd = a + 2;
onEdit();
});
/* ---------- formatting shortcuts ---------- */
// Every edit goes through execCommand so ctrl+z still undoes it. Assigning
// .value would wipe the textarea's undo history.
function replaceRange(a, b, text, selA, selB) {
const ta = els.body;
ta.setSelectionRange(a, b);
if (!document.execCommand(text ? "insertText" : "delete", false, text)) {
ta.setRangeText(text, a, b);
onEdit();
}
ta.setSelectionRange(selA, selB);
}
// How many ch sit in a row from i, walking left (dir < 0) or right.
function runAt(s, i, dir, ch) {
let n = 0;
while (s[dir < 0 ? i - 1 - n : i + n] === ch) n++;
return n;
}
/* Wraps the selection in mark, or unwraps it when the marks are already there
(selected along with the text, or sitting just outside it), so a second
press undoes the first like in any editor. */
function toggleMark(mark) {
const v = els.body.value, L = mark.length, ch = mark[0];
let a = els.body.selectionStart, b = els.body.selectionEnd;
// A double-click often grabs a trailing space, and "**word **" is not bold.
while (a < b && /\s/.test(v[a])) a++;
while (b > a && /\s/.test(v[b - 1])) b--;
// One star is italic, two bold, three both — so for stars the run length
// decides which mark is present, not just whether a star is there.
const has = (run) => (ch === "*" ? run === L || run === 3 : run >= L);
if (b - a >= 2 * L && has(Math.min(runAt(v, a, 1, ch), runAt(v, b, -1, ch)))) {
return replaceRange(a, b, v.slice(a + L, b - L), a, b - 2 * L);
}
if (has(Math.min(runAt(v, a, -1, ch), runAt(v, b, 1, ch)))) {
return replaceRange(a - L, b + L, v.slice(a, b), a - L, b - L);
}
replaceRange(a, b, mark + v.slice(a, b) + mark, a + L, b + L);
}
function insertLink() {
const a = els.body.selectionStart, b = els.body.selectionEnd;
const sel = els.body.value.slice(a, b);
// A selected URL becomes the target and the caret waits for the link text.
if (/^https?:\/\/\S+$/.test(sel)) return replaceRange(a, b, `[](${sel})`, a + 1, a + 1);
const caret = sel ? a + sel.length + 3 : a + 1;
replaceRange(a, b, `[${sel}]()`, caret, caret);
}
const SHORTCUTS = {
b: () => toggleMark("**"),
i: () => toggleMark("*"),
e: () => toggleMark("`"),
k: insertLink,
"shift+x": () => toggleMark("~~"),
};
els.body.addEventListener("keydown", (e) => {
if (!(e.ctrlKey || e.metaKey) || e.altKey) return;
const action = SHORTCUTS[(e.shiftKey ? "shift+" : "") + e.key.toLowerCase()];
if (!action) return;
e.preventDefault();
action();
});
/* ---------- actions ---------- */
async function refresh(data) {
posts = data.posts || posts;
if (data.today) state.today = data.today;
// The cover URL follows the slug, so a rename or publish hands back a new one.
const cur = posts.find((p) => p.slug === state.savedSlug && p.status === state.savedStatus);
setCover(cur ? cur.cover : null);
renderSidebar();
syncChrome();
}
async function save({ quiet = false } = {}) {
const doc = currentDoc();
if (!doc.title.trim() && !doc.body.trim()) return;
try {
const data = await post("/api/save", doc);
state.slug = state.savedSlug = data.slug;
state.savedStatus = doc.status;
// Only an explicit slug gets pinned. Pinning the auto one here would freeze
// a body-first draft at "untitled" before it ever had a title.
if (els.slug.value || doc.status === "published") els.slug.value = data.slug;
setDirty(false);
await refresh(data);
if (!quiet) flash("saved");
else els.msg.textContent = "autosaved";
} catch (err) {
flash(String(err.message || err), true);
}
}
async function openPost(slug) {
if (state.dirty) await save({ quiet: true });
try {
const data = await api(`/api/post?slug=${encodeURIComponent(slug)}`);
els.title.value = data.title;
els.date.value = data.date;
// A published slug is a live URL and stays put. A draft's auto slug is
// left unpinned, so retitling it still renames the file.
els.slug.value = data.status === "draft" && isAutoSlug(data.slug, data.title) ? "" : data.slug;
els.tags.value = (data.tags || []).join(", ");
els.body.value = data.body;
state.status = data.status;
state.slug = state.savedSlug = data.slug;
state.savedStatus = data.status;
setCover(data.cover);
setDirty(false);
renderSidebar();
syncChrome();
renderPreview();
els.body.scrollTop = 0;
} catch (err) {
flash(String(err.message || err), true);
}
}
function newPost() {
els.title.value = "";
els.date.value = state.today;
els.slug.value = "";
els.tags.value = "";
els.body.value = "";
state.status = "draft";
state.slug = state.savedSlug = "";
state.savedStatus = "";
setCover(null);
setDirty(false);
renderSidebar();
syncChrome();
renderPreview();
els.title.focus();
}
/* ---------- cover ---------- */
const COVER_RATIO = 5 / 2;
const COVER_MAX_W = 2000;
function setCover(url) {
state.cover = url || null;
$("btnCover").textContent = state.cover ? "replace" : "add 5:2";
$("btnCoverRemove").hidden = !state.cover;
renderPreview();
}
/* A 5:2 image of sane size goes up untouched. Anything else is centre-cropped
to 5:2 and scaled down here, so the file on the site is exactly the banner
that shows. GIFs pass through as-is — redrawing one would freeze it — and the
page's CSS crops them instead. */
async function prepareCover(file) {
const ext = { "image/webp": "webp", "image/png": "png", "image/jpeg": "jpg", "image/gif": "gif" }[file.type];
if (!ext) throw new Error("cover must be webp, png, jpg or gif");
const img = await createImageBitmap(file);
const { width: w, height: h } = img;
const isFiveTwo = Math.abs(w / h - COVER_RATIO) < 0.01;
const fits = isFiveTwo && w <= COVER_MAX_W;
if (fits || ext === "gif") {
img.close();
return { blob: file, ext, note: fits ? `${w}×${h}` : `${w}×${h}, not 5:2 — the page crops it` };
}
const cw = Math.min(w, Math.round(h * COVER_RATIO));
const ch = Math.round(cw / COVER_RATIO);
const outW = Math.min(cw, COVER_MAX_W);
const outH = Math.round(outW / COVER_RATIO);
const canvas = document.createElement("canvas");
canvas.width = outW;
canvas.height = outH;
const ctx = canvas.getContext("2d");
ctx.imageSmoothingQuality = "high";
ctx.drawImage(img, (w - cw) / 2, (h - ch) / 2, cw, ch, 0, 0, outW, outH);
img.close();
const blob = await new Promise((r) => canvas.toBlob(r, "image/webp", 0.9));
// Browsers that cannot encode webp quietly hand back a png instead.
const outExt = blob.type === "image/webp" ? "webp" : "png";
return { blob, ext: outExt, note: `${w}×${h} → ${isFiveTwo ? "resized" : "cropped"} to ${outW}×${outH}` };
}
async function uploadCover(file) {
if (!state.savedSlug) await save({ quiet: true });
if (!state.savedSlug) return flash("write a title first", true);
try {
flash("processing cover…");
const { blob, ext, note } = await prepareCover(file);
const q = new URLSearchParams({ slug: state.savedSlug, status: state.savedStatus, ext });
const data = await api(`/api/cover?${q}`, { method: "POST", body: blob });
await refresh(data);
flash(`cover set · ${note}${state.savedStatus === "published" ? " · rebuild to ship it" : ""}`);
} catch (err) {
flash(String(err.message || err), true);
}
}
$("btnCover").addEventListener("click", () => $("fCover").click());
$("fCover").addEventListener("change", (e) => {
const file = e.target.files[0];
e.target.value = "";
if (file) uploadCover(file);
});
$("btnCoverRemove").addEventListener("click", async () => {
if (!state.savedSlug || !confirm("Remove the cover image?")) return;
try {
const data = await post("/api/cover/remove", { slug: state.savedSlug, status: state.savedStatus });
await refresh(data);
flash(state.savedStatus === "published" ? "cover removed · rebuild to ship it" : "cover removed");
} catch (err) {
flash(String(err.message || err), true);
}
});
$("btnNew").addEventListener("click", newPost);
$("btnSave").addEventListener("click", () => save());
$("btnPublish").addEventListener("click", async () => {
const doc = currentDoc();
if (!doc.title.trim()) return flash("give it a title first", true);
if (state.status === "draft" && !confirm(`Publish "${doc.title}"? It goes live on the site right away.`)) return;
try {
const data = await post("/api/publish", doc);
state.status = "published";
state.slug = state.savedSlug = data.slug;
state.savedStatus = "published";
els.slug.value = data.slug;
setDirty(false);
await refresh(data);
flash(data.log || "published");
} catch (err) {
flash(String(err.message || err), true);
}
});
$("btnDelete").addEventListener("click", async () => {
if (!state.savedSlug) return;
const name = els.title.value || state.savedSlug;
const warning = state.savedStatus === "published"
? `Delete "${name}" permanently? It comes off the live site too.`
: `Delete "${name}" permanently?`;
if (!confirm(warning)) return;
try {
const data = await post("/api/delete", { slug: state.savedSlug, status: state.savedStatus, title: name });
await refresh(data);
newPost();
flash(data.log || "deleted");
} catch (err) {
flash(String(err.message || err), true);
}
});
$("btnPreview").addEventListener("click", async () => {
if (state.dirty) await save({ quiet: true });
window.open(`/preview/${state.savedSlug}/`, "_blank", "noopener");
});
/* ---------- history ---------- */
const sheet = $("sheet");
const closeHistory = () => sheet.classList.remove("is-open");
async function openHistory() {
if (!state.savedSlug) return flash("save it once first", true);
if (state.dirty) await save({ quiet: true });
try {
const { entries } = await api(`/api/history?slug=${encodeURIComponent(state.savedSlug)}`);
const list = $("snapList");
list.innerHTML = entries.length
? entries
.map(
(e, i) => `<button class="snap${i === 0 ? " snap--current" : ""}" data-stamp="${e.stamp}" type="button">
<span class="snap__when">${e.label}${i === 0 ? " · current" : ""}</span>
<span class="snap__size">${(e.bytes / 1024).toFixed(1)} kB</span>
</button>`
)
.join("")
: `<p class="sheet__note">Nothing yet. The first save starts the history.</p>`;
list.querySelectorAll(".snap").forEach((btn) => {
btn.addEventListener("click", () => restore(btn.dataset.stamp));
});
sheet.classList.add("is-open");
} catch (err) {
flash(String(err.message || err), true);
}
}
async function restore(stamp) {
try {
const data = await api(
`/api/history/entry?slug=${encodeURIComponent(state.savedSlug)}&stamp=${encodeURIComponent(stamp)}`
);
els.title.value = data.title;
els.date.value = data.date;
els.tags.value = (data.tags || []).join(", ");
els.body.value = data.body;
// Left dirty on purpose: nothing is committed to disk until you save, so a
// wrong pick costs nothing.
setDirty(true);
syncChrome();
renderPreview();
closeHistory();
flash("loaded — save to keep it");
} catch (err) {
flash(String(err.message || err), true);
}
}
$("btnHistory").addEventListener("click", openHistory);
$("btnCloseHistory").addEventListener("click", closeHistory);
sheet.addEventListener("click", (e) => {
if (e.target === sheet) closeHistory();
});
/* ---------- syntax reference ---------- */
const syntaxSheet = $("syntaxSheet");
const toggleSyntax = () => syntaxSheet.classList.toggle("is-open");
$("btnSyntax").addEventListener("click", toggleSyntax);
$("btnCloseSyntax").addEventListener("click", toggleSyntax);
syntaxSheet.addEventListener("click", (e) => {
if (e.target === syntaxSheet) toggleSyntax();
});
document.addEventListener("keydown", (e) => {
if ((e.ctrlKey || e.metaKey) && e.key.toLowerCase() === "s") {
e.preventDefault();
save();
return;
}
if ((e.ctrlKey || e.metaKey) && e.key === "/") {
e.preventDefault();
toggleSyntax();
return;
}
if (e.key === "Escape") {
if (sheet.classList.contains("is-open")) closeHistory();
if (syntaxSheet.classList.contains("is-open")) syntaxSheet.classList.remove("is-open");
}
});
window.addEventListener("beforeunload", (e) => {
if (!state.dirty) return;
e.preventDefault();
e.returnValue = "";
});
/* ---------- boot ---------- */
(async () => {
const data = await api("/api/list");
state.today = data.today;
posts = data.posts;
renderSidebar();
if (posts.length) await openPost(posts.find((p) => p.status === "draft")?.slug || posts[0].slug);
else newPost();
})();
</script>
</body>
</html>
|
