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* Web file editor — create and edit files directly in the browser.
*
* 2026 polish: this surface uses a scoped `.editor-*` class system that
* mirrors `admin-integrations.tsx` and `collaborators.tsx` — gradient
* hairline, mono breadcrumb pill, commit-message input with focus ring,
* primary commit + ghost cancel buttons, and an AI "Suggest" button that
* sits inline. The git operations themselves are unchanged.
*
* CodeMirror 6 enhancement: The plain textarea is replaced with a
* CodeMirror 6 editor loaded from CDN (esm.sh). The textarea is kept
* hidden and synced on every change so the existing form POST works
* without server changes. Language is auto-detected from the file extension.
*/
import { Hono } from "hono";
import { Layout } from "../views/layout";
import { RepoHeader, RepoNav } from "../views/components";
import { EmptyState } from "../views/ui";
import {
getBlob,
getRepoPath,
} from "../git/repository";
import { generateCommitMessage } from "../lib/ai-generators";
import { isAiAvailable } from "../lib/ai-client";
import { softAuth, requireAuth } from "../middleware/auth";
import type { AuthEnv } from "../middleware/auth";
import { requireRepoAccess } from "../middleware/repo-access";
import { audit } from "../lib/notify";
import { AI_AUDIT_ACTIONS } from "../lib/ai-hours-saved";
const editor = new Hono<AuthEnv>();
editor.use("*", softAuth);
/**
* Inline JS for the editor's "Suggest with AI" commit-message button.
* Picks up the textarea content + form-pinned ref/filePath, POSTs JSON
* to the suggest endpoint, fills the message Input on success.
*
* Built as a string so we don't need a bundler. JSON-escapes against
* </script> breakout. Defensive DOM lookups (silent no-op on absence).
*/
function AI_COMMIT_MSG_SCRIPT(args: {
endpoint: string;
ref: string;
filePath: string;
}): string {
const safe = (v: string) =>
JSON.stringify(v)
.split("<").join("\\u003C")
.split(">").join("\\u003E")
.split("&").join("\\u0026");
const url = safe(args.endpoint);
const ref = safe(args.ref);
const filePath = safe(args.filePath);
return (
"(function(){try{" +
"var btn=document.getElementById('ai-commit-msg-btn');" +
"var status=document.getElementById('ai-commit-msg-status');" +
"var input=document.getElementById('commit-message-input');" +
"var ta=document.querySelector('textarea[name=\"content\"]');" +
"if(!btn||!input||!ta)return;" +
"btn.addEventListener('click',function(ev){ev.preventDefault();" +
"btn.disabled=true;if(status)status.textContent='Drafting (10-30s)...';" +
"var fd='ref='+encodeURIComponent(" + ref + ")+'&filePath='+encodeURIComponent(" + filePath + ")+'&content='+encodeURIComponent(ta.value||'');" +
"fetch(" + url + ",{method:'POST',headers:{'content-type':'application/x-www-form-urlencoded'},body:fd,credentials:'same-origin'})" +
".then(function(r){return r.json().catch(function(){return {ok:false,error:'Server error.'};});})" +
".then(function(j){btn.disabled=false;" +
"if(j&&j.ok&&typeof j.message==='string'){" +
"if(input.value&&input.value.trim().length>0){if(!confirm('Replace existing message?')){if(status)status.textContent='Cancelled.';return;}}" +
"input.value=j.message;if(status)status.textContent='Filled from AI. Edit before committing.';" +
"}else{if(status)status.textContent=(j&&j.error)||'AI unavailable.';}" +
"}).catch(function(){btn.disabled=false;if(status)status.textContent='Network error.';});" +
"});" +
"}catch(e){}})();"
);
}
/**
* Detect a language identifier from a file path/name for CodeMirror.
* Returns a string like "typescript", "python", "markdown", etc.
* Used server-side to embed a data-lang attribute.
*/
function detectEditorLang(filePath: string): string {
const lower = filePath.toLowerCase();
const ext = lower.split(".").pop() || "";
switch (ext) {
case "ts":
case "tsx":
return "typescript";
case "js":
case "jsx":
case "mjs":
case "cjs":
return "javascript";
case "py":
return "python";
case "md":
case "mdx":
return "markdown";
case "json":
case "jsonc":
return "json";
case "css":
case "scss":
case "sass":
case "less":
return "css";
case "html":
case "htm":
return "html";
case "sh":
case "bash":
case "zsh":
return "shell";
case "sql":
return "sql";
case "xml":
return "xml";
case "yaml":
case "yml":
return "yaml";
case "rs":
return "rust";
case "go":
return "go";
case "java":
return "java";
case "rb":
return "ruby";
case "php":
return "php";
case "c":
case "h":
return "c";
case "cpp":
case "cc":
case "cxx":
case "hh":
case "hpp":
return "cpp";
default:
return "plaintext";
}
}
/**
* CodeMirror 6 initialization script — loaded from esm.sh CDN.
* Mounts a CodeMirror editor in place of the hidden textarea.
* Syncs on every change so the form POST continues to work.
* The textareaId identifies the hidden textarea to sync to.
* The lang attribute controls language detection + dynamic import.
*/
function CODEMIRROR_INIT_SCRIPT(args: {
textareaId: string;
wrapperId: string;
lang: string;
}): string {
const safe = (v: string) =>
JSON.stringify(v)
.split("<").join("\\u003C")
.split(">").join("\\u003E")
.split("&").join("\\u0026");
const textareaId = safe(args.textareaId);
const wrapperId = safe(args.wrapperId);
const lang = safe(args.lang);
return `
(async function() {
try {
var ta = document.getElementById(${textareaId});
var wrapper = document.getElementById(${wrapperId});
if (!ta || !wrapper) return;
// Load CodeMirror 6 core from esm.sh
var [cmView, cmState, cmCommands, cmLanguage, cmTheme] = await Promise.all([
import('https://esm.sh/@codemirror/view@6'),
import('https://esm.sh/@codemirror/state@6'),
import('https://esm.sh/@codemirror/commands@6'),
import('https://esm.sh/@codemirror/language@6'),
import('https://esm.sh/@codemirror/theme-one-dark@6')
]);
var { EditorView, keymap, lineNumbers, highlightActiveLine, highlightActiveLineGutter, drawSelection, dropCursor, rectangularSelection, crosshairCursor, highlightSpecialChars } = cmView;
var { EditorState, Compartment } = cmState;
var { defaultKeymap, indentWithTab, historyKeymap, history } = cmCommands;
var { indentOnInput, syntaxHighlighting, defaultHighlightStyle, bracketMatching, foldGutter } = cmLanguage;
var { oneDark } = cmTheme;
// Dynamically load language support
var langExtension = [];
try {
var langStr = ${lang};
if (langStr === 'typescript' || langStr === 'javascript') {
var jsLang = await import('https://esm.sh/@codemirror/lang-javascript@6');
langExtension = [jsLang.javascript({ typescript: langStr === 'typescript', jsx: true })];
} else if (langStr === 'python') {
var pyLang = await import('https://esm.sh/@codemirror/lang-python@6');
langExtension = [pyLang.python()];
} else if (langStr === 'markdown') {
var mdLang = await import('https://esm.sh/@codemirror/lang-markdown@6');
langExtension = [mdLang.markdown()];
} else if (langStr === 'json') {
var jsonLang = await import('https://esm.sh/@codemirror/lang-json@6');
langExtension = [jsonLang.json()];
} else if (langStr === 'css') {
var cssLang = await import('https://esm.sh/@codemirror/lang-css@6');
langExtension = [cssLang.css()];
} else if (langStr === 'html') {
var htmlLang = await import('https://esm.sh/@codemirror/lang-html@6');
langExtension = [htmlLang.html()];
} else if (langStr === 'shell') {
var { StreamLanguage } = cmLanguage;
var shellLang = await import('https://esm.sh/@codemirror/legacy-modes@6/src/shell');
langExtension = [StreamLanguage.define(shellLang.shell)];
} else if (langStr === 'sql') {
var sqlLang = await import('https://esm.sh/@codemirror/lang-sql@6');
langExtension = [sqlLang.sql()];
} else if (langStr === 'rust') {
var rsLang = await import('https://esm.sh/@codemirror/lang-rust@6');
langExtension = [rsLang.rust()];
} else if (langStr === 'cpp' || langStr === 'c') {
var cppLang = await import('https://esm.sh/@codemirror/lang-cpp@6');
langExtension = [cppLang.cpp()];
} else if (langStr === 'java') {
var javaLang = await import('https://esm.sh/@codemirror/lang-java@6');
langExtension = [javaLang.java()];
} else if (langStr === 'xml') {
var xmlLang = await import('https://esm.sh/@codemirror/lang-xml@6');
langExtension = [xmlLang.xml()];
} else if (langStr === 'yaml') {
var { StreamLanguage } = cmLanguage;
var yamlLang = await import('https://esm.sh/@codemirror/legacy-modes@6/src/yaml');
langExtension = [StreamLanguage.define(yamlLang.yaml)];
} else if (langStr === 'go') {
var { StreamLanguage } = cmLanguage;
var goLang = await import('https://esm.sh/@codemirror/legacy-modes@6/src/go');
langExtension = [StreamLanguage.define(goLang.go)];
} else if (langStr === 'ruby') {
var { StreamLanguage } = cmLanguage;
var rubyLang = await import('https://esm.sh/@codemirror/legacy-modes@6/src/ruby');
langExtension = [StreamLanguage.define(rubyLang.ruby)];
} else if (langStr === 'php') {
var phpLang = await import('https://esm.sh/@codemirror/lang-php@6');
langExtension = [phpLang.php()];
}
} catch(e) {
// language load failure is non-fatal — continue without highlighting
langExtension = [];
}
var initialContent = ta.value;
var updateListener = EditorView.updateListener.of(function(update) {
if (update.docChanged) {
ta.value = update.state.doc.toString();
}
});
var editorTheme = EditorView.theme({
'&': {
background: 'var(--bg)',
color: 'var(--text)',
border: '1px solid var(--border-strong)',
borderRadius: '10px',
minHeight: '280px',
fontSize: '13px',
lineHeight: '1.55',
fontFamily: 'var(--font-mono)',
},
'.cm-content': {
padding: '12px 14px',
caretColor: '#a48bff',
},
'.cm-focused': {
outline: 'none',
},
'&.cm-focused': {
borderColor: 'rgba(140,109,255,0.55)',
boxShadow: '0 0 0 3px rgba(140,109,255,0.18)',
},
'.cm-gutters': {
background: 'rgba(255,255,255,0.02)',
borderRight: '1px solid var(--border)',
color: 'var(--text-faint)',
paddingRight: '4px',
},
'.cm-activeLineGutter': {
background: 'rgba(140,109,255,0.08)',
},
'.cm-activeLine': {
background: 'rgba(140,109,255,0.06)',
},
'.cm-scroller': {
overflow: 'auto',
minHeight: '280px',
maxHeight: '70vh',
},
'.cm-cursor': {
borderLeftColor: '#a48bff',
},
});
var state = EditorState.create({
doc: initialContent,
extensions: [
history(),
lineNumbers(),
highlightActiveLine(),
highlightActiveLineGutter(),
drawSelection(),
dropCursor(),
rectangularSelection(),
crosshairCursor(),
highlightSpecialChars(),
indentOnInput(),
syntaxHighlighting(defaultHighlightStyle, { fallback: true }),
bracketMatching(),
foldGutter(),
keymap.of([indentWithTab, ...defaultKeymap, ...historyKeymap]),
oneDark,
editorTheme,
updateListener,
...langExtension,
EditorView.lineWrapping,
],
});
var view = new EditorView({
state: state,
parent: wrapper,
});
// Hide the textarea now that CM is mounted
ta.style.display = 'none';
wrapper.style.display = 'block';
// Sync on form submit (belt-and-suspenders)
var form = ta.closest('form');
if (form) {
form.addEventListener('submit', function() {
ta.value = view.state.doc.toString();
});
}
} catch(e) {
// If CodeMirror fails to load for any reason, fall back to the textarea
var ta2 = document.getElementById(${textareaId});
if (ta2) ta2.style.display = '';
var w2 = document.getElementById(${wrapperId});
if (w2) w2.style.display = 'none';
}
})();
`;
}
// ─── Scoped CSS (.editor-*) ─────────────────────────────────────────────────
// Every selector is prefixed `.editor-*` so this surface can't bleed into
// the repo header / nav above. Tokens reused from layout (--bg-elevated,
// --border, --text-strong, --accent, --space-*, --font-*).
const editorStyles = `
.editor-wrap { max-width: 1100px; margin: 0 auto; padding: var(--space-5) var(--space-4) var(--space-8); }
/* ─── Header strip (sits below RepoHeader + RepoNav) ─── */
.editor-head { margin-bottom: var(--space-5); }
.editor-eyebrow {
display: inline-flex;
align-items: center;
gap: 8px;
text-transform: uppercase;
font-family: var(--font-mono);
font-size: 11px;
letter-spacing: 0.16em;
color: var(--text-muted);
font-weight: 600;
margin-bottom: 10px;
}
.editor-eyebrow-dot {
width: 8px; height: 8px;
border-radius: 9999px;
background: linear-gradient(135deg, #8c6dff, #36c5d6);
box-shadow: 0 0 0 3px rgba(140,109,255,0.18);
}
.editor-title {
font-family: var(--font-display);
font-size: clamp(22px, 3vw, 32px);
font-weight: 800;
letter-spacing: -0.025em;
line-height: 1.15;
margin: 0 0 6px;
color: var(--text-strong);
}
.editor-title-grad {
background-image: linear-gradient(135deg, #a48bff 0%, #8c6dff 50%, #36c5d6 100%);
-webkit-background-clip: text;
background-clip: text;
-webkit-text-fill-color: transparent;
color: transparent;
}
.editor-sub {
margin: 0;
font-size: 14px;
color: var(--text-muted);
line-height: 1.5;
max-width: 700px;
}
/* ─── Toolbar (path breadcrumb + branch pill) ─── */
.editor-toolbar {
display: flex;
align-items: center;
justify-content: space-between;
gap: var(--space-3);
flex-wrap: wrap;
margin-bottom: var(--space-3);
padding: 10px 14px;
background: var(--bg-elevated);
border: 1px solid var(--border);
border-radius: 12px;
}
.editor-path {
display: inline-flex;
align-items: center;
gap: 6px;
font-family: var(--font-mono);
font-size: 13px;
color: var(--text);
flex-wrap: wrap;
min-width: 0;
}
.editor-path-sep { color: var(--text-faint); }
.editor-path-seg {
color: var(--text-muted);
}
.editor-path-name {
color: var(--text-strong);
font-weight: 600;
}
.editor-branch-pill {
display: inline-flex;
align-items: center;
gap: 6px;
padding: 4px 10px;
border-radius: 999px;
font-family: var(--font-mono);
font-size: 12px;
color: #c4b5fd;
background: rgba(140,109,255,0.12);
box-shadow: inset 0 0 0 1px rgba(140,109,255,0.30);
white-space: nowrap;
font-weight: 600;
}
.editor-branch-pill svg { opacity: 0.9; }
/* ─── Form card ─── */
.editor-card {
background: var(--bg-elevated);
border: 1px solid var(--border);
border-radius: 14px;
overflow: hidden;
position: relative;
}
.editor-card::before {
content: '';
position: absolute;
top: 0; left: 0; right: 0;
height: 2px;
background: linear-gradient(90deg, transparent 0%, #8c6dff 30%, #36c5d6 70%, transparent 100%);
opacity: 0.55;
pointer-events: none;
}
.editor-body { padding: var(--space-4) var(--space-5); }
.editor-field { display: block; margin-bottom: var(--space-4); }
.editor-label {
display: block;
font-size: 11.5px;
color: var(--text-muted);
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.06em;
margin-bottom: 6px;
}
.editor-filename-row {
display: flex;
align-items: center;
gap: 6px;
font-family: var(--font-mono);
}
.editor-filename-dir {
font-size: 13px;
color: var(--text-muted);
}
.editor-input {
width: 100%;
box-sizing: border-box;
padding: 10px 12px;
font: inherit;
font-size: 14px;
color: var(--text);
background: rgba(255,255,255,0.03);
border: 1px solid var(--border-strong);
border-radius: 10px;
transition: border-color 120ms ease, background 120ms ease, box-shadow 120ms ease;
}
.editor-input:focus {
outline: none;
border-color: rgba(140,109,255,0.55);
background: rgba(255,255,255,0.05);
box-shadow: 0 0 0 3px rgba(140,109,255,0.18);
}
.editor-input-mono { font-family: var(--font-mono); }
.editor-textarea {
width: 100%;
box-sizing: border-box;
padding: 12px 14px;
font: inherit;
font-family: var(--font-mono);
font-size: 13px;
line-height: 1.55;
tab-size: 2;
color: var(--text);
background: var(--bg);
border: 1px solid var(--border-strong);
border-radius: 10px;
resize: vertical;
min-height: 280px;
transition: border-color 120ms ease, background 120ms ease, box-shadow 120ms ease;
}
.editor-textarea:focus {
outline: none;
border-color: rgba(140,109,255,0.55);
box-shadow: 0 0 0 3px rgba(140,109,255,0.18);
}
/* ─── Action row ─── */
.editor-actions {
display: flex;
align-items: center;
gap: 10px;
flex-wrap: wrap;
padding: var(--space-3) var(--space-5);
border-top: 1px solid var(--border);
background: rgba(255,255,255,0.012);
}
.editor-btn {
display: inline-flex;
align-items: center;
justify-content: center;
gap: 6px;
padding: 9px 16px;
border-radius: 10px;
font-size: 13px;
font-weight: 600;
text-decoration: none;
border: 1px solid transparent;
cursor: pointer;
font: inherit;
transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease, border-color 120ms ease, color 120ms ease;
line-height: 1;
white-space: nowrap;
}
.editor-btn-primary {
background: linear-gradient(135deg, #8c6dff 0%, #36c5d6 100%);
color: #fff;
box-shadow: 0 6px 18px -6px rgba(140,109,255,0.5), inset 0 1px 0 rgba(255,255,255,0.16);
}
.editor-btn-primary:hover {
transform: translateY(-1px);
box-shadow: 0 10px 24px -8px rgba(140,109,255,0.6), inset 0 1px 0 rgba(255,255,255,0.20);
text-decoration: none;
color: #fff;
}
.editor-btn-ghost {
background: transparent;
color: var(--text);
border-color: var(--border-strong);
}
.editor-btn-ghost:hover {
background: rgba(140,109,255,0.06);
border-color: rgba(140,109,255,0.45);
color: var(--text-strong);
text-decoration: none;
}
.editor-btn-ai {
background: transparent;
color: #c4b5fd;
border-color: rgba(140,109,255,0.35);
}
.editor-btn-ai:hover {
border-color: rgba(140,109,255,0.65);
background: rgba(140,109,255,0.08);
color: #ddd6fe;
text-decoration: none;
}
.editor-btn-ai:disabled {
opacity: 0.55;
cursor: progress;
}
.editor-status {
color: var(--text-muted);
font-size: 12.5px;
margin-left: auto;
}
/* ─── CodeMirror wrapper ─── */
.editor-cm-wrapper {
display: none; /* shown by JS after mount */
border-radius: 10px;
overflow: hidden;
}
/* Ensure CM fills the field column */
.editor-field .cm-editor {
width: 100%;
box-sizing: border-box;
font-family: var(--font-mono);
font-size: 13px;
line-height: 1.55;
border-radius: 10px;
min-height: 280px;
}
/* Override oneDark background to match the app's dark bg variable */
.editor-field .cm-editor .cm-scroller {
font-family: var(--font-mono);
}
`;
function IconBranch() {
return (
<svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
<line x1="6" y1="3" x2="6" y2="15" />
<circle cx="18" cy="6" r="3" />
<circle cx="6" cy="18" r="3" />
<path d="M18 9a9 9 0 0 1-9 9" />
</svg>
);
}
// New file form
editor.get("/:owner/:repo/new/:ref{.+$}", requireAuth, requireRepoAccess("write"), async (c) => {
const { owner, repo } = c.req.param();
const user = c.get("user")!;
const refAndPath = c.req.param("ref");
// Parse ref — use first segment
const slashIdx = refAndPath.indexOf("/");
const ref = slashIdx === -1 ? refAndPath : refAndPath.slice(0, slashIdx);
const dirPath = slashIdx === -1 ? "" : refAndPath.slice(slashIdx + 1);
return c.html(
<Layout title={`New file — ${owner}/${repo}`} user={user}>
<RepoHeader owner={owner} repo={repo} />
<RepoNav owner={owner} repo={repo} active="code" />
<div class="editor-wrap">
<header class="editor-head">
<div class="editor-eyebrow">
<span class="editor-eyebrow-dot" aria-hidden="true" />
Editor · New file
</div>
<h1 class="editor-title">
<span class="editor-title-grad">Create a new file.</span>
</h1>
<p class="editor-sub">
Pick a path, paste your content, and write a short commit
message. The commit lands directly on{" "}
<code style="font-size:12.5px">{ref}</code>.
</p>
</header>
<div class="editor-toolbar">
<div class="editor-path" title={dirPath ? `${dirPath}/…` : "Repository root"}>
<span class="editor-path-seg">{owner}/{repo}</span>
{dirPath && (
<>
<span class="editor-path-sep">/</span>
<span class="editor-path-seg">{dirPath}</span>
</>
)}
<span class="editor-path-sep">/</span>
<span class="editor-path-name">new file…</span>
</div>
<span class="editor-branch-pill" title="Target branch">
<IconBranch />
{ref}
</span>
</div>
<form
method="post"
action={`/${owner}/${repo}/new/${ref}`}
class="editor-card"
>
<div class="editor-body">
<input type="hidden" name="dir_path" value={dirPath} />
<div class="editor-field">
<label class="editor-label" for="editor-filename">File path</label>
<div class="editor-filename-row">
{dirPath && (
<span class="editor-filename-dir">{dirPath}/</span>
)}
<input
class="editor-input editor-input-mono"
id="editor-filename"
name="filename"
required
placeholder="filename.ts"
autocomplete="off"
aria-label="File path"
/>
</div>
</div>
<div class="editor-field">
<label class="editor-label" for="editor-content-new">Content</label>
{/* CodeMirror mounts here; falls back to textarea if JS/CDN unavailable */}
<div id="editor-cm-new" class="editor-cm-wrapper" />
<textarea
class="editor-textarea"
id="editor-content-new"
name="content"
rows={20}
placeholder="Enter file content…"
spellcheck={false}
data-lang="plaintext"
/>
</div>
<div class="editor-field" style="margin-bottom:0">
<label class="editor-label" for="commit-message-input">Commit message</label>
<input
class="editor-input"
id="commit-message-input"
name="message"
placeholder="Create new file"
required
aria-label="Commit message"
/>
</div>
</div>
<div class="editor-actions">
<button type="submit" class="editor-btn editor-btn-primary">
Commit new file
</button>
<a href={`/${owner}/${repo}`} class="editor-btn editor-btn-ghost">
Cancel
</a>
</div>
<script
type="module"
dangerouslySetInnerHTML={{
__html: CODEMIRROR_INIT_SCRIPT({
textareaId: "editor-content-new",
wrapperId: "editor-cm-new",
lang: "plaintext",
}),
}}
/>
</Layout>
);
});
// Create file via commit
editor.post("/:owner/:repo/new/:ref", requireAuth, requireRepoAccess("write"), async (c) => {
const { owner, repo } = c.req.param();
const user = c.get("user")!;
const ref = c.req.param("ref");
const body = await c.req.parseBody();
const dirPath = String(body.dir_path || "").trim();
const filename = String(body.filename || "").trim();
const content = String(body.content || "");
const message = String(body.message || `Create ${filename}`).trim();
if (!filename) return c.redirect(`/${owner}/${repo}`);
const fullPath = dirPath ? `${dirPath}/${filename}` : filename;
// Use git hash-object + update-index + write-tree + commit-tree
const repoDir = getRepoPath(owner, repo);
const run = async (cmd: string[], cwd: string, stdin?: string) => {
const proc = Bun.spawn(cmd, {
cwd,
stdout: "pipe",
stderr: "pipe",
stdin: stdin !== undefined ? "pipe" : undefined,
});
if (stdin !== undefined && proc.stdin) {
proc.stdin.write(new TextEncoder().encode(stdin));
proc.stdin.end();
}
const stdout = await new Response(proc.stdout).text();
await proc.exited;
return stdout.trim();
};
// Hash the new file content
const blobSha = await run(
["git", "hash-object", "-w", "--stdin"],
repoDir,
content
);
// Read current tree
const currentTreeSha = await run(
["git", "rev-parse", `${ref}^{tree}`],
repoDir
);
// Read current tree and add new entry
const treeContent = await run(["git", "ls-tree", "-r", ref], repoDir);
const entries = treeContent
.split("\n")
.filter(Boolean)
.map((line) => line + "\n")
.join("");
const newEntry = `100644 blob ${blobSha}\t${fullPath}\n`;
const newTreeSha = await run(
["git", "mktree"],
repoDir,
entries + newEntry
);
// Get parent commit
const parentSha = await run(
["git", "rev-parse", ref],
repoDir
);
// Create commit
const env = {
GIT_AUTHOR_NAME: user.displayName || user.username,
GIT_AUTHOR_EMAIL: user.email,
GIT_COMMITTER_NAME: user.displayName || user.username,
GIT_COMMITTER_EMAIL: user.email,
};
const commitProc = Bun.spawn(
["git", "commit-tree", newTreeSha, "-p", parentSha, "-m", message],
{
cwd: repoDir,
stdout: "pipe",
stderr: "pipe",
env: { ...process.env, ...env },
}
);
const commitSha = (await new Response(commitProc.stdout).text()).trim();
await commitProc.exited;
// Update branch ref
await run(
["git", "update-ref", `refs/heads/${ref}`, commitSha],
repoDir
);
return c.redirect(`/${owner}/${repo}/blob/${ref}/${fullPath}`);
});
// Edit file form
editor.get("/:owner/:repo/edit/:ref{.+$}", requireAuth, requireRepoAccess("write"), async (c) => {
const { owner, repo } = c.req.param();
const user = c.get("user")!;
const refAndPath = c.req.param("ref");
// Parse ref/path
const slashIdx = refAndPath.indexOf("/");
if (slashIdx === -1) return c.text("Not found", 404);
const ref = refAndPath.slice(0, slashIdx);
const filePath = refAndPath.slice(slashIdx + 1);
const blob = await getBlob(owner, repo, ref, filePath);
if (!blob || blob.isBinary) {
return c.html(
,
404
);
}
const fileName = filePath.split("/").pop() || filePath;
const dirParts = filePath.split("/").slice(0, -1);
return c.html(
</Layout>
);
});
// AI-suggested commit message — JSON endpoint driven by the editor button.
// Reads the on-disk blob at (ref, filePath), diffs against the submitted
// new content, and asks generateCommitMessage() for a one-liner. Returns
// {ok:true, message} on success, {ok:false, error} otherwise. Always 200.
editor.post(
"/:owner/:repo/ai/commit-message",
requireAuth,
requireRepoAccess("write"),
async (c) => {
const { owner, repo } = c.req.param();
if (!isAiAvailable()) {
return c.json({
ok: false,
error: "AI is not available — set ANTHROPIC_API_KEY.",
});
}
const body = await c.req.parseBody();
const ref = String(body.ref || "").trim();
const filePath = String(body.filePath || "").trim();
const newContent = String(body.content || "");
if (!ref || !filePath) {
return c.json({ ok: false, error: "ref + filePath required" });
}
let oldContent = "";
try {
const blob = await getBlob(owner, repo, ref, filePath);
oldContent = blob?.content || "";
} catch {
oldContent = "";
}
if (oldContent === newContent) {
return c.json({
ok: false,
error: "No changes to summarise.",
});
}
// Build a minimal unified-diff-ish summary the AI helper can consume.
// generateCommitMessage was written for git diff text; we feed a
// header + truncated old/new sample so it has shape to summarise.
const truncate = (s: string) => (s.length > 4000 ? s.slice(0, 4000) + "\n…(truncated)" : s);
const diff =
`--- a/${filePath}\n+++ b/${filePath}\n` +
"## Old:\n" +
truncate(oldContent) +
"\n\n## New:\n" +
truncate(newContent);
let message = "";
try {
message = await generateCommitMessage(diff);
} catch (err) {
const msg = err instanceof Error ? err.message : "AI request failed.";
return c.json({ ok: false, error: msg });
}
if (!message.trim()) {
return c.json({
ok: false,
error: "AI returned an empty draft.",
});
}
// Cap to one line + 100 chars (commit-message convention).
const oneLine = message.split("\n")[0]!.trim();
const capped = oneLine.length > 100 ? oneLine.slice(0, 97) + "..." : oneLine;
// Emit audit event so L9 ai-hours-saved counters stay accurate.
const user = c.get("user");
if (user) {
void audit({
userId: user.id,
action: AI_AUDIT_ACTIONS.AI_COMMIT_MESSAGE,
targetType: "repository",
targetId: `${owner}/${repo}`,
metadata: { filePath },
}).catch(() => {});
}
return c.json({ ok: true, message: capped });
}
);
// Save edited file
editor.post("/:owner/:repo/edit/:ref{.+$}", requireAuth, requireRepoAccess("write"), async (c) => {
const { owner, repo } = c.req.param();
const user = c.get("user")!;
const refAndPath = c.req.param("ref");
const slashIdx = refAndPath.indexOf("/");
if (slashIdx === -1) return c.redirect(`/${owner}/${repo}`);
const ref = refAndPath.slice(0, slashIdx);
const filePath = refAndPath.slice(slashIdx + 1);
const body = await c.req.parseBody();
const content = String(body.content || "");
const message = String(
body.message || `Update ${filePath.split("/").pop()}`
).trim();
const repoDir = getRepoPath(owner, repo);
const run = async (cmd: string[], cwd: string, stdin?: string) => {
const proc = Bun.spawn(cmd, {
cwd,
stdout: "pipe",
stderr: "pipe",
stdin: stdin !== undefined ? "pipe" : undefined,
});
if (stdin !== undefined && proc.stdin) {
proc.stdin.write(new TextEncoder().encode(stdin));
proc.stdin.end();
}
const stdout = await new Response(proc.stdout).text();
await proc.exited;
return stdout.trim();
};
// Hash new content
const blobSha = await run(
["git", "hash-object", "-w", "--stdin"],
repoDir,
content
);
// Read current tree, replace the file
const treeContent = await run(["git", "ls-tree", "-r", ref], repoDir);
const lines = treeContent.split("\n").filter(Boolean);
const updated = lines
.map((line) => {
const parts = line.match(/^(\d+) (\w+) ([0-9a-f]+)\t(.+)$/);
if (parts && parts[4] === filePath) {
return `${parts[1]} blob ${blobSha}\t${parts[4]}`;
}
return line;
})
.join("\n") + "\n";
const newTreeSha = await run(["git", "mktree"], repoDir, updated);
const parentSha = await run(["git", "rev-parse", ref], repoDir);
const env = {
GIT_AUTHOR_NAME: user.displayName || user.username,
GIT_AUTHOR_EMAIL: user.email,
GIT_COMMITTER_NAME: user.displayName || user.username,
GIT_COMMITTER_EMAIL: user.email,
};
const commitProc = Bun.spawn(
["git", "commit-tree", newTreeSha, "-p", parentSha, "-m", message],
{
cwd: repoDir,
stdout: "pipe",
stderr: "pipe",
env: { ...process.env, ...env },
}
);
const commitSha = (await new Response(commitProc.stdout).text()).trim();
await commitProc.exited;
await run(
["git", "update-ref", `refs/heads/${ref}`, commitSha],
repoDir
);
return c.redirect(`/${owner}/${repo}/blob/${ref}/${filePath}`);
});
export default editor;
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