Feat v0.6.5 renderer pipeline (#40)
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Co-authored-by: Jeffrey Smith <jasafpro@gmail.com>
Co-committed-by: Jeffrey Smith <jasafpro@gmail.com>
This commit was merged in pull request #40.
This commit is contained in:
2026-03-31 16:37:33 +00:00
committed by xcaliber
parent 36d6158940
commit 81c28a50bf
33 changed files with 2089 additions and 1974 deletions

View File

@@ -4,106 +4,22 @@
// Renders ```diff code blocks with syntax-highlighted
// additions, deletions, hunk headers, and context lines.
// No external dependencies.
//
// Registers with sw.renderers via the sw:ready event.
// ==========================================
Extensions.register({
id: 'diff-viewer',
(function () {
'use strict';
async init(ctx) {
const self = this;
// ── Inject styles ──
this._injectStyles();
ctx.renderers.register('diff-block', {
type: 'block',
priority: 10,
pattern: 'diff',
render(lang, code, container) {
const lines = code.split('\n');
let stats = { added: 0, removed: 0 };
let currentFile = '';
const rendered = lines.map(line => {
const escaped = self._escapeHtml(line);
// File headers
if (line.startsWith('--- ') || line.startsWith('+++ ')) {
if (line.startsWith('+++ ')) {
currentFile = line.slice(4).trim();
}
return `<div class="diff-line diff-file-header">${escaped}</div>`;
}
// Hunk headers
if (line.startsWith('@@')) {
const hunkMatch = line.match(/^@@\s*-(\d+)(?:,\d+)?\s*\+(\d+)(?:,\d+)?\s*@@\s*(.*)/);
const context = hunkMatch ? hunkMatch[3] : '';
return `<div class="diff-line diff-hunk">${escaped}</div>`;
}
// Additions
if (line.startsWith('+')) {
stats.added++;
return `<div class="diff-line diff-add"><span class="diff-indicator">+</span>${self._escapeHtml(line.slice(1))}</div>`;
}
// Deletions
if (line.startsWith('-')) {
stats.removed++;
return `<div class="diff-line diff-del"><span class="diff-indicator">-</span>${self._escapeHtml(line.slice(1))}</div>`;
}
// Context (lines starting with space or no prefix)
if (line.startsWith(' ')) {
return `<div class="diff-line diff-ctx"><span class="diff-indicator"> </span>${self._escapeHtml(line.slice(1))}</div>`;
}
// Other (commit info, etc)
return `<div class="diff-line diff-meta">${escaped}</div>`;
}).join('');
const fileLabel = currentFile ? `<span class="diff-filename" title="${self._escapeHtml(currentFile)}">${self._escapeHtml(currentFile)}</span>` : '';
container.innerHTML = `
<div class="diff-block ext-rendered">
<div class="diff-toolbar">
${fileLabel}
<span class="diff-stats">
<span class="diff-stat-add">+${stats.added}</span>
<span class="diff-stat-del">-${stats.removed}</span>
</span>
<button class="diff-copy-btn" title="Copy diff">📋 Copy</button>
</div>
<div class="diff-content">${rendered}</div>
<details class="diff-source-toggle">
<summary>📝 View raw</summary>
<pre><code>${self._escapeHtml(code)}</code></pre>
</details>
</div>
`;
// Copy handler
const copyBtn = container.querySelector('.diff-copy-btn');
if (copyBtn) {
copyBtn.addEventListener('click', () => {
navigator.clipboard.writeText(code).then(() => {
copyBtn.textContent = '✓ Copied';
setTimeout(() => { copyBtn.textContent = '📋 Copy'; }, 1500);
}).catch(() => {});
});
}
}
});
},
_escapeHtml(str) {
function _escapeHtml(str) {
const div = document.createElement('div');
div.textContent = str;
return div.innerHTML;
},
}
_injectStyles() {
// ── Styles ──────────────────────────────
function _injectStyles() {
if (document.getElementById('ext-style-diff-viewer')) return;
const style = document.createElement('style');
style.id = 'ext-style-diff-viewer';
@@ -158,9 +74,86 @@ Extensions.register({
max-height: 200px; overflow: auto;
}`;
document.head.appendChild(style);
},
destroy() {
document.getElementById('ext-style-diff-viewer')?.remove();
}
});
// ── Registration ────────────────────────
function register() {
if (!window.sw?.renderers) return;
_injectStyles();
sw.renderers.register('diff-block', {
type: 'block',
priority: 10,
pattern: 'diff',
render(lang, code, container) {
const lines = code.split('\n');
let stats = { added: 0, removed: 0 };
let currentFile = '';
const rendered = lines.map(line => {
const escaped = _escapeHtml(line);
if (line.startsWith('--- ') || line.startsWith('+++ ')) {
if (line.startsWith('+++ ')) currentFile = line.slice(4).trim();
return `<div class="diff-line diff-file-header">${escaped}</div>`;
}
if (line.startsWith('@@')) {
return `<div class="diff-line diff-hunk">${escaped}</div>`;
}
if (line.startsWith('+')) {
stats.added++;
return `<div class="diff-line diff-add"><span class="diff-indicator">+</span>${_escapeHtml(line.slice(1))}</div>`;
}
if (line.startsWith('-')) {
stats.removed++;
return `<div class="diff-line diff-del"><span class="diff-indicator">-</span>${_escapeHtml(line.slice(1))}</div>`;
}
if (line.startsWith(' ')) {
return `<div class="diff-line diff-ctx"><span class="diff-indicator"> </span>${_escapeHtml(line.slice(1))}</div>`;
}
return `<div class="diff-line diff-meta">${escaped}</div>`;
}).join('');
const fileLabel = currentFile
? `<span class="diff-filename" title="${_escapeHtml(currentFile)}">${_escapeHtml(currentFile)}</span>`
: '';
container.innerHTML = `
<div class="diff-block ext-rendered">
<div class="diff-toolbar">
${fileLabel}
<span class="diff-stats">
<span class="diff-stat-add">+${stats.added}</span>
<span class="diff-stat-del">-${stats.removed}</span>
</span>
<button class="diff-copy-btn" title="Copy diff">\ud83d\udccb Copy</button>
</div>
<div class="diff-content">${rendered}</div>
<details class="diff-source-toggle">
<summary>\ud83d\udcdd View raw</summary>
<pre><code>${_escapeHtml(code)}</code></pre>
</details>
</div>
`;
const copyBtn = container.querySelector('.diff-copy-btn');
if (copyBtn) {
copyBtn.addEventListener('click', () => {
navigator.clipboard.writeText(code).then(() => {
copyBtn.textContent = '\u2713 Copied';
setTimeout(() => { copyBtn.textContent = '\ud83d\udccb Copy'; }, 1500);
}).catch(() => {});
});
}
}
});
}
if (window.sw?._sdk) {
register();
} else {
document.addEventListener('sw:ready', register, { once: true });
}
})();