feat(web): add vanilla JS/CSS SPA with embed.FS

Stream view with date grouping, card view sorted by usage, capture
bar with client-side grammar parsing, tag rail filter, detail pane
with card affordances (template slot fill, checklist toggle, link
open), promote modal with auto-detect, keyboard shortcuts (j/k/n/p/
Enter/dd/1/2). Dark theme, responsive layout. Embedded in Go binary.
This commit is contained in:
2026-05-14 11:38:45 -04:00
parent 6de174e474
commit 5b0d0a8f33
7 changed files with 1170 additions and 2 deletions
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(function () {
'use strict';
const GLYPHS = {
note: '◦', todo: '▸', event: '◇',
snippet: '◆', template: '◈', checklist: '☐',
decision: '⚖', link: '🔗',
};
const GLYPH_CLASSES = {
note: 'glyph-note', todo: 'glyph-todo', event: 'glyph-event',
snippet: 'glyph-snippet', template: 'glyph-template',
checklist: 'glyph-checklist', decision: 'glyph-decision',
link: 'glyph-link',
};
const state = {
view: 'stream',
entities: [],
tags: [],
selectedIndex: -1,
activeTag: null,
};
const $ = (sel) => document.querySelector(sel);
const $$ = (sel) => document.querySelectorAll(sel);
// ========== API ==========
const api = {
async listEntities(params = {}) {
const q = new URLSearchParams();
if (params.tag) q.set('tag', params.tag);
if (params.date) q.set('date', params.date);
if (params.cards_only) q.set('cards_only', 'true');
if (params.sort) q.set('sort', params.sort);
if (params.order) q.set('order', params.order);
const resp = await fetch('/api/entities?' + q);
return resp.json();
},
async createEntity(data) {
const resp = await fetch('/api/entities', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(data),
});
return resp.json();
},
async getEntity(id) {
const resp = await fetch('/api/entities/' + id);
return resp.json();
},
async updateEntity(id, data) {
const resp = await fetch('/api/entities/' + id, {
method: 'PUT',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(data),
});
return resp.json();
},
async deleteEntity(id) {
return fetch('/api/entities/' + id, { method: 'DELETE' });
},
async promoteEntity(id, cardType, cardData) {
const resp = await fetch('/api/entities/' + id + '/promote', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ card_type: cardType, card_data: cardData }),
});
return resp.json();
},
async demoteEntity(id) {
const resp = await fetch('/api/entities/' + id + '/demote', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({}),
});
return resp.json();
},
async useEntity(id) {
const resp = await fetch('/api/entities/' + id + '/use', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({}),
});
return resp.json();
},
async listTags() {
const resp = await fetch('/api/tags');
return resp.json();
},
};
// ========== Grammar parser (mirrors Go parser) ==========
const VALID_CARDS = { card: 'snippet', c: 'snippet', snippet: 'snippet', template: 'template', checklist: 'checklist', decision: 'decision', link: 'link' };
function parseInput(input) {
input = input.trim();
if (!input) return null;
const tokens = input.split(/\s+/);
let glyph = 'note';
const first = tokens[0];
if (first === '-' || first === '▸') { glyph = 'todo'; tokens.shift(); }
else if (first === '*' || first === '◇') { glyph = 'event'; tokens.shift(); }
const bodyParts = [];
let timeAnchor = null;
const tags = [];
const seenTags = {};
let cardSuffix = null;
for (const tok of tokens) {
if (tok.startsWith('@') && tok.length > 1) {
timeAnchor = tok.slice(1);
} else if (tok.startsWith('#') && tok.length > 1) {
const tag = tok.slice(1);
if (!seenTags[tag]) { tags.push(tag); seenTags[tag] = true; }
} else if (tok.startsWith('^') && tok.length > 1) {
const suffix = tok.slice(1);
if (VALID_CARDS[suffix]) cardSuffix = VALID_CARDS[suffix];
} else {
bodyParts.push(tok);
}
}
const body = bodyParts.join(' ');
if (!body) return null;
return { body, glyph, timeAnchor, tags, cardSuffix };
}
function detectCardType(body) {
if (/\$\{.+\}/.test(body)) return 'template';
if (/\bchose:|why:/.test(body)) return 'decision';
if (/\[ \]|\d+\./.test(body)) return 'checklist';
if (/https?:\/\//.test(body)) return 'link';
return null;
}
// ========== Rendering ==========
function displayGlyph(entity) {
return entity.card_type ? GLYPHS[entity.card_type] : GLYPHS[entity.glyph];
}
function glyphClass(entity) {
return entity.card_type ? GLYPH_CLASSES[entity.card_type] : GLYPH_CLASSES[entity.glyph];
}
function formatDate(dateStr) {
const d = new Date(dateStr);
const months = ['jan', 'feb', 'mar', 'apr', 'may', 'jun', 'jul', 'aug', 'sep', 'oct', 'nov', 'dec'];
return months[d.getMonth()] + ' ' + d.getDate();
}
function renderTagRail() {
const rail = $('#tag-rail');
const allItem = `<div class="tag-item ${!state.activeTag ? 'active' : ''}" data-tag="">
<span class="tag-name" style="font-style: italic">all</span>
</div>`;
rail.innerHTML = allItem + state.tags.map(t =>
`<div class="tag-item ${state.activeTag === t.tag ? 'active' : ''}" data-tag="${t.tag}">
<span class="tag-name">${t.tag}</span>
<span class="tag-count">${t.count}</span>
</div>`
).join('');
rail.querySelectorAll('.tag-item').forEach(el => {
el.addEventListener('click', () => {
state.activeTag = el.dataset.tag || null;
loadEntities();
renderTagRail();
});
});
}
function groupByDate(entities) {
const groups = [];
let current = null;
for (const e of entities) {
const label = formatDate(e.created_at);
if (!current || current.label !== label) {
if (current) groups.push(current);
current = { label, entities: [] };
}
current.entities.push(e);
}
if (current) groups.push(current);
return groups;
}
function renderEntityList() {
const list = $('#entity-list');
if (state.entities.length === 0) {
list.innerHTML = '<div class="detail-empty" style="margin-top:40px">no entities yet</div>';
return;
}
let html = '';
if (state.view === 'stream') {
const groups = groupByDate(state.entities);
let idx = 0;
for (const g of groups) {
html += `<div class="date-header">── ${g.label} ──</div>`;
for (const e of g.entities) {
html += renderEntityItem(e, idx);
idx++;
}
}
} else {
state.entities.forEach((e, idx) => {
html += renderEntityItem(e, idx);
});
}
list.innerHTML = html;
list.querySelectorAll('.entity-item').forEach(el => {
el.addEventListener('click', () => {
selectEntity(parseInt(el.dataset.index));
});
});
}
function renderEntityItem(e, idx) {
const glyph = displayGlyph(e);
const gc = glyphClass(e);
const selected = idx === state.selectedIndex ? 'selected' : '';
const tags = (e.tags || []).map(t => `<span class="entity-tag">${t}</span>`).join('');
const time = e.time_anchor ? `<span class="entity-time">@${e.time_anchor}</span>` : '';
const useBadge = e.use_count > 0 ? `<span class="use-badge">${e.use_count}×</span>` : '';
return `<div class="entity-item ${selected}" data-index="${idx}" data-id="${e.id}">
<span class="entity-glyph ${gc}">${glyph}</span>
<span class="entity-body">${escHtml(e.body)}</span>
${time}
<span class="entity-tags">${tags}</span>
<span class="entity-meta">${useBadge}</span>
</div>`;
}
function renderDetailPane() {
const pane = $('#detail-pane');
const e = state.entities[state.selectedIndex];
if (!e) {
pane.innerHTML = '<div class="detail-empty">select an entity</div>';
pane.classList.remove('visible');
return;
}
pane.classList.add('visible');
const glyph = displayGlyph(e);
const gc = glyphClass(e);
const tags = (e.tags || []).map(t => `<span class="detail-tag">#${t}</span>`).join('');
const shortId = e.id.slice(0, 12);
let cardContent = '';
let actions = '';
if (e.card_type) {
cardContent = renderCardContent(e);
actions += `<button class="action-btn" onclick="nibApp.copyEntity('${e.id}')">copy</button>`;
actions += `<button class="action-btn" onclick="nibApp.demoteEntity('${e.id}')">demote</button>`;
} else {
actions += `<button class="action-btn primary" onclick="nibApp.showPromote('${e.id}')">promote</button>`;
}
actions += `<button class="action-btn danger" onclick="nibApp.deleteEntity('${e.id}')">delete</button>`;
pane.innerHTML = `
<div class="detail-header">
<span class="detail-glyph ${gc}">${glyph}</span>
<span class="detail-id">${shortId}</span>
${e.time_anchor ? `<span class="entity-time">@${e.time_anchor}</span>` : ''}
</div>
<div class="detail-body">${escHtml(e.body)}</div>
${tags ? `<div class="detail-tags">${tags}</div>` : ''}
${cardContent}
<div class="detail-actions">${actions}</div>
`;
}
function renderCardContent(e) {
if (!e.card_data) return '';
let data;
try { data = JSON.parse(e.card_data); } catch { return ''; }
switch (e.card_type) {
case 'template':
if (!data.slots || !data.slots.length) return '';
return `<div class="slot-form">
${data.slots.map(s => `
<div class="slot-field">
<span class="slot-label">\${${s.name}}</span>
<input class="slot-input" data-slot="${s.name}" placeholder="${s.default || s.name}" value="${s.default || ''}">
</div>
`).join('')}
<button class="action-btn primary" onclick="nibApp.resolveTemplate('${e.id}')">resolve & copy</button>
</div>`;
case 'checklist':
if (!data.steps || !data.steps.length) return '';
return `<div class="checklist">
${data.steps.map((s, i) => `
<div class="checklist-step ${s.done ? 'done' : ''}">
<input type="checkbox" ${s.done ? 'checked' : ''} onchange="nibApp.toggleStep('${e.id}', ${i})">
<span>${escHtml(s.text)}</span>
</div>
`).join('')}
</div>`;
case 'decision':
return `<div>
<div class="decision-field"><div class="decision-label">chose</div><div class="decision-value">${escHtml(data.chose || '—')}</div></div>
<div class="decision-field"><div class="decision-label">why</div><div class="decision-value">${escHtml(data.why || '—')}</div></div>
${data.rejected && data.rejected.length ? `<div class="decision-field"><div class="decision-label">rejected</div><div class="decision-value">${data.rejected.map(escHtml).join(', ') || '—'}</div></div>` : ''}
</div>`;
case 'link':
if (data.url) {
return `<div style="margin-bottom:12px">
<button class="action-btn" onclick="window.open('${escAttr(data.url)}', '_blank')">open link</button>
</div>`;
}
return '';
default:
return '';
}
}
// ========== Actions ==========
function selectEntity(idx) {
state.selectedIndex = idx;
renderEntityList();
renderDetailPane();
}
async function loadEntities() {
const params = {};
if (state.activeTag) params.tag = state.activeTag;
if (state.view === 'cards') {
params.cards_only = true;
params.sort = 'use_count';
params.order = 'desc';
} else {
params.sort = 'created';
params.order = 'desc';
}
state.entities = await api.listEntities(params);
state.selectedIndex = -1;
renderEntityList();
renderDetailPane();
}
async function loadTags() {
state.tags = await api.listTags();
renderTagRail();
}
function switchView(view) {
state.view = view;
$$('.nav-btn').forEach(b => b.classList.toggle('active', b.dataset.view === view));
window.location.hash = view === 'cards' ? '/cards' : '/';
loadEntities();
}
// ========== Public API (for inline handlers) ==========
window.nibApp = {
async copyEntity(id) {
const e = state.entities.find(x => x.id === id);
if (!e) return;
try {
await navigator.clipboard.writeText(e.body);
await api.useEntity(id);
await loadEntities();
} catch (err) {
console.error('clipboard:', err);
}
},
showPromote(id) {
const e = state.entities.find(x => x.id === id);
if (!e || e.card_type) return;
const modal = $('#promote-modal');
modal.classList.remove('hidden');
modal.classList.add('visible');
modal.dataset.entityId = id;
const suggested = detectCardType(e.body);
$$('.type-btn').forEach(btn => {
btn.classList.toggle('suggested', btn.dataset.type === suggested);
});
},
async demoteEntity(id) {
await api.demoteEntity(id);
await loadEntities();
await loadTags();
},
async deleteEntity(id) {
await api.deleteEntity(id);
await loadEntities();
await loadTags();
},
async resolveTemplate(id) {
const e = state.entities.find(x => x.id === id);
if (!e) return;
let resolved = e.body;
$$('.slot-input').forEach(input => {
const name = input.dataset.slot;
const val = input.value || input.placeholder;
resolved = resolved.replace(new RegExp('\\$\\{' + name + '\\}', 'g'), val);
});
try {
await navigator.clipboard.writeText(resolved);
await api.useEntity(id);
await loadEntities();
} catch (err) {
console.error('clipboard:', err);
}
},
async toggleStep(id, stepIdx) {
const e = state.entities.find(x => x.id === id);
if (!e || !e.card_data) return;
const data = JSON.parse(e.card_data);
data.steps[stepIdx].done = !data.steps[stepIdx].done;
await api.updateEntity(id, { card_data: JSON.stringify(data) });
await loadEntities();
selectEntity(state.entities.findIndex(x => x.id === id));
},
};
// ========== Capture bar ==========
$('#capture-bar').addEventListener('submit', async (ev) => {
ev.preventDefault();
const input = $('#capture-input');
const val = input.value.trim();
if (!val) return;
const parsed = parseInput(val);
if (!parsed) return;
const data = {
body: parsed.body,
glyph: parsed.glyph,
tags: parsed.tags,
};
if (parsed.timeAnchor) data.time_anchor = parsed.timeAnchor;
if (parsed.cardSuffix) data.card_type = parsed.cardSuffix;
await api.createEntity(data);
input.value = '';
await loadEntities();
await loadTags();
});
// ========== Promote modal ==========
$$('.type-btn').forEach(btn => {
btn.addEventListener('click', async () => {
const modal = $('#promote-modal');
const id = modal.dataset.entityId;
modal.classList.add('hidden');
modal.classList.remove('visible');
await api.promoteEntity(id, btn.dataset.type);
await loadEntities();
await loadTags();
});
});
$('.modal-backdrop').addEventListener('click', closeModal);
$('.modal-close').addEventListener('click', closeModal);
function closeModal() {
const modal = $('#promote-modal');
modal.classList.add('hidden');
modal.classList.remove('visible');
}
// ========== Keyboard shortcuts ==========
let lastDTime = 0;
const captureInput = $('#capture-input');
document.addEventListener('keydown', (ev) => {
if (document.activeElement === captureInput) {
if (ev.key === 'Escape') captureInput.blur();
return;
}
if ($('#promote-modal').classList.contains('visible')) {
if (ev.key === 'Escape') closeModal();
return;
}
switch (ev.key) {
case 'j':
ev.preventDefault();
selectEntity(Math.min(state.selectedIndex + 1, state.entities.length - 1));
scrollSelectedIntoView();
break;
case 'k':
ev.preventDefault();
selectEntity(Math.max(state.selectedIndex - 1, 0));
scrollSelectedIntoView();
break;
case 'n':
ev.preventDefault();
captureInput.focus();
break;
case 'p': {
const e = state.entities[state.selectedIndex];
if (e && !e.card_type) nibApp.showPromote(e.id);
break;
}
case 'Enter': {
const e = state.entities[state.selectedIndex];
if (e) nibApp.copyEntity(e.id);
break;
}
case 'd': {
const now = Date.now();
if (now - lastDTime < 400) {
const e = state.entities[state.selectedIndex];
if (e) nibApp.deleteEntity(e.id);
lastDTime = 0;
} else {
lastDTime = now;
}
break;
}
case '1': switchView('stream'); break;
case '2': switchView('cards'); break;
}
});
function scrollSelectedIntoView() {
const el = $(`.entity-item[data-index="${state.selectedIndex}"]`);
if (el) el.scrollIntoView({ block: 'nearest' });
}
// ========== View nav buttons ==========
$$('.nav-btn').forEach(btn => {
btn.addEventListener('click', () => switchView(btn.dataset.view));
});
// ========== Hash routing ==========
function handleHash() {
const hash = window.location.hash;
if (hash === '#/cards') {
state.view = 'cards';
} else {
state.view = 'stream';
}
$$('.nav-btn').forEach(b => b.classList.toggle('active', b.dataset.view === state.view));
loadEntities();
}
window.addEventListener('hashchange', handleHash);
// ========== Utils ==========
function escHtml(s) {
if (!s) return '';
return s.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;');
}
function escAttr(s) {
return escHtml(s).replace(/'/g, '&#39;');
}
// ========== Init ==========
async function init() {
await Promise.all([loadEntities(), loadTags()]);
handleHash();
}
init();
})();