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index.html
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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">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<meta name="theme-color" content="">
<link rel="shortcut icon" href="/res/icon512_rounded.png">
<link rel="stylesheet" href="/res/css/util.css">
<link rel="manifest" href="/res/manifest.json" crossorigin="use-credentials">
<script src="/res/js/service-worker-register.js"></script>
<title>Frame</title>
<style>
@font-face {
font-family: 'IBM Plex Mono';
font-weight: 400;
font-style: normal;
font-display: swap;
unicode-range: U+000-5FF;
src: local('IBM Plex Mono'),
url('/res/IBMPlexMono.woff2') format('woff2');
}
html, body {
font-family: "IBM Plex Mono", monospace;
}
* { box-sizing: border-box; }
textarea, input, select, button { font: inherit; }
.overlapping {
display: grid;
> * {
grid-area: 1 / 1 / 2 / 2;
}
}
body {
padding: 2rem;
margin: 0 auto;
max-width: 600px;
}
#path {
a { color: inherit; }
font-size: 1.5rem;
font-weight: 700;
}
.flex { display: flex; align-items: center; justify-content: center; }
#actions {
margin-left: auto;
display: flex;
align-items: center;
gap: 0.5rem;
}
#newInput {
}
#diagram {
padding: 2rem 0;
}
#comments {
padding: 0rem 0;
}
.comment {
margin-top: 0.25rem;
.actions {
margin-left: auto;
width: fit-content;
font-size: 0.75rem;
padding: 0.25rem;
}
.content {
padding: 0.5rem;
border-radius: 8px;
background: #eee;
white-space: pre-wrap;
word-break: break-all;
}
}
.mermaid {
margin: 0 auto;
display: flex;
justify-content: center;
* {
font-family: "IBM Plex Mono";
}
a {
text-decoration: none;
color: inherit;
display: inline-flex;
align-items: center;
gap: 0.5rem;
}
.count {
color: #000;
font-size: 0.75rem;
opacity: 0.5;
&::before {
content: "(";
}
&::after {
content: ")";
}
}
.primary {
.count {
color: #fff !important;
}
rect {
fill: black !important;
border-radius: 8px;
stroke: none !important;
}
.nodeLabel {
color: white !important;
}
}
.child {
rect {
fill: #f4f4f4 !important;
stroke: none !important;
}
.nodeLabel {
color: black !important;
}
}
.connector {
rect {
fill: #DAEAFC !important;
stroke: none !important;
}
.nodeLabel {
color: black !important;
}
}
.last {
rect {
fill: #D2F0FE !important;
stroke: none !important;
}
.nodeLabel {
color: black !important;
}
}
.has-children {
rect {
outline: solid 2px #000;
filter: drop-shadow(1px 1px 3px rgb(0 0 0 / 0.6));
}
}
.state-waiting {
rect {
fill: #f2eea2 !important;
}
.nodeLabel {
color: black !important;
}
.count {
color: #000 !important;
}
}
.icon {
width: 18px;
path {
fill: transparent !important;
stroke: currentColor !important;
}
}
.nodeLabel {
vertical-align: middle;
display: inline-flex;
gap: 0.5rem;
}
}
#newCommentArea {
width: 100%;
margin-top: 1rem;
}
#input {
width: 100%;
display: block;
max-width: 400px;
margin-inline: auto;
}
#createFrameBtn {
}
.z-overlay { z-index: 99; }
.dialog {
padding: 2rem;
border-radius: 0.5rem;
background: white;
max-width: 400px;
width: 100%;
flex-shrink: 1;
box-shadow: 0px 0px 4px -2px rgba(66, 68, 90, 1);
> .title {
font-size: 1.4rem;
font-weight: 600;
}
> .actions {
display: flex;
justify-content: flex-end;
gap: 1rem;
margin-top: 2rem;
}
& > * + * {
margin-top: 1rem;
}
}
.overlay {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100dvh;
background: rgba(0,0,0,0.3);
padding: 1rem;
display: flex;
justify-content: center;
align-items: center;
visibility: hidden;
&[data-active=true] {
visibility: visible;
}
}
.sticky {
position: sticky;
top: 0;
width: 100%;
padding: 0.75rem;
}
.nav {
background: white;
gap: 2rem;
padding: 0.5rem 1rem;
border-radius: 8px;
border: solid 2px #ddd;
box-shadow: 0 0px 6px -1px rgb(0 0 0 / 0.1), 0 0px 4px -2px rgb(0 0 0 / 0.1);
}
.copy {
pointer-events: none;
white-space: pre-wrap;
opacity: 0;
word-break: break-all;
}
.input {
resize: none;
word-break: break-all;
}
</style>
</head>
<body class="margin-between">
<div id=dialog class="overlay">
<div class="dialog">
<div class="title">Confirm delete</div>
<p>
Sup
</p>
<div class="actions">
<button id=no data-variant=ghost class=btn>No</button>
<button id=yes class=btn data-variant=destructive>Yes</button>
</div>
</div>
</div>
<div class="sticky">
<div class="flex nav">
<a style="display: none" href="/tools">tools</a>
<a style="display: none" href="?frame=root">/</a>
<button class="btn ml-auto" data-variant=ghost data-size="icon" id="toggleFrameBtn">
<svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" class="size-6">
<path stroke-linecap="round" stroke-linejoin="round" d="M14.857 17.082a23.848 23.848 0 0 0 5.454-1.31A8.967 8.967 0 0 1 18 9.75V9A6 6 0 0 0 6 9v.75a8.967 8.967 0 0 1-2.312 6.022c1.733.64 3.56 1.085 5.455 1.31m5.714 0a24.255 24.255 0 0 1-5.714 0m5.714 0a3 3 0 1 1-5.714 0M10.5 8.25h3l-3 4.5h3" />
</svg>
</button>
<button class="btn" data-variant=ghost data-size="icon" id="deleteFrameBtn">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" class="size-6">
<path fill-rule="evenodd" d="M16.5 4.478v.227a48.816 48.816 0 0 1 3.878.512.75.75 0 1 1-.256 1.478l-.209-.035-1.005 13.07a3 3 0 0 1-2.991 2.77H8.084a3 3 0 0 1-2.991-2.77L4.087 6.66l-.209.035a.75.75 0 0 1-.256-1.478A48.567 48.567 0 0 1 7.5 4.705v-.227c0-1.564 1.213-2.9 2.816-2.951a52.662 52.662 0 0 1 3.369 0c1.603.051 2.815 1.387 2.815 2.951Zm-6.136-1.452a51.196 51.196 0 0 1 3.273 0C14.39 3.05 15 3.684 15 4.478v.113a49.488 49.488 0 0 0-6 0v-.113c0-.794.609-1.428 1.364-1.452Zm-.355 5.945a.75.75 0 1 0-1.5.058l.347 9a.75.75 0 1 0 1.499-.058l-.346-9Zm5.48.058a.75.75 0 1 0-1.498-.058l-.347 9a.75.75 0 0 0 1.5.058l.345-9Z" clip-rule="evenodd" />
</svg>
</button>
</div>
</div>
<div id=diagram>
<pre id=mermaid class="mermaid">graph TD</pre>
</div>
<input type="text" placeholder="new frame" class="input" data-variant="raised" id=input />
<div class="flex">
<button class="btn" style="opacity: 0; margin-top: 0.75rem" id="createFrameBtn">create</button>
</div>
<div>
<ui-relative-date id="created"></ui-relative-date>
</div>
<div id=commentSection>
<h2 style="margin-top: 4rem">Comments</h2>
<div id=comments></div>
<div class="overlapping" id=newCommentArea>
<textarea class="input" data-variant="outline"
oninput="this.parentNode.querySelector('.copy').textContent = this.value + ' '"
placeholder="type to add a comment..." id="newCommentText"></textarea>
<div class="copy input" data-variant="outline"></div>
</div>
</div>
<button id="addCommentBtn" class="btn" style="margin: 0 auto;">add</button>
<script defer type=module src="/res/js/ui-relative-date.mjs"></script>
<script type="module">
import mermaid from 'https://cdn.jsdelivr.net/npm/mermaid@10/dist/mermaid.esm.min.mjs';
import { atom, map, deepMap, computed, batched } from '/res/js/nanostores.bundle.mjs';
import CommandStore from '/res/js/command-store.mjs'
function persist(key, $state) {
const encode = JSON.stringify
const decode = JSON.parse
const str = localStorage.getItem(key)
if (str !== null) {
const value = decode(str)
$state.set(value)
}
$state.listen(debounce(value => {
localStorage.setItem(key, encode(value))
}, 5))
return $state
}
const $searchParams = map({})
// run this in a setTimeout()
function updateRoute() {
for (let [key, value] of new URLSearchParams(location.search)) {
$searchParams.setKey(key, value)
}
}
updateRoute()
$searchParams.listen(searchParams => {
const url = new URL(window.location)
url.search = (new URLSearchParams(searchParams)).toString()
history.pushState({}, '', `${url}`);
})
window.addEventListener("popstate", () => setTimeout(updateRoute))
window.addEventListener("pushstate", () => setTimeout(updateRoute))
export const _id = (prefix) => {
return `${prefix}_${crypto.randomUUID().replace(/-/g, "").slice(0, 16)}`
}
function sanitize(name) {
return name.replace(/[^0-9a-z_\-\?\/: ]/gi, '')
}
let $comments = deepMap({
root: [],
})
let $frames = deepMap({
root: {
id: "root",
name: "root"
},
foo: {
id: "foo",
name: "foo",
}
})
let $children = map({
root: ["foo"],
})
function listParents(childrenMap, id) {
let all = []
for (let key in childrenMap) {
const children = childrenMap[key]
if (children.includes(id)) {
all.push(key, ...listParents(childrenMap, key, false))
}
}
return all
}
const reads = {
getNodeById: (id) => {
const frames = $frames.get()
return frames[id]
},
listChildren: (nodeId) => {
return $children.get()[nodeId] ?? []
},
listComments: (frameId) => {
return $comments.get()[frameId] ?? []
},
listParents: (nodeId) => {
if (nodeId === "root") return []
const children = $children.get()
return listParents(children, nodeId, true)
},
getLastVisitedChild: nodeId => {
const children = reads.listChildren(nodeId)
let last
for (let childId of children) {
const child = reads.getNodeById(childId)
if (!last || !last.lastVisited || child.lastVisited?.localeCompare(last.lastVisited) > 0 && child.state !== "waiting") {
last = child
}
}
return last
},
getLastVisitedChildRec: nodeId => {
let last = reads.getLastVisitedChild(nodeId)
if (!last) return
while (true) {
let candidate = reads.getLastVisitedChild(last.id)
if (!candidate) return last
last = candidate
}
}
}
const $frameId = computed($searchParams, searchParams => {
const v = searchParams?.frame
return v ?? "root"
})
const $newFrame = atom("")
$frameId.listen(frameId => {
$searchParams.setKey("frame", frameId)
})
const $newCommentText = atom("")
const $deleting = atom(false)
function validate(cmd) {
if (!cmd.id) cmd.id = _id("cmd")
if (!cmd.payload) cmd.payload = {}
if (!cmd.createdAt) cmd.createdAt = (new Date()).toISOString()
switch(cmd.type) {
case "PUSH_FRAME":
if (!cmd.payload.parentId) throw "parentId missing"
if (!cmd.payload.id) throw "id missing"
if (!cmd.payload.name) throw "name missing"
cmd.payload.id = sanitize(cmd.payload.id)
break
case "POP_FRAME":
if (!cmd.payload.id) throw "id missing"
break
case "VISIT_FRAME":
if (!cmd.payload.id) throw "id missing"
if (!cmd.payload.visitedAt) throw "visitedAt missing"
break
case "FRAME_STATE":
if (!cmd.payload.id) throw "id missing"
if (!["", "waiting"].includes(cmd.payload.state)) throw `invalid state: ${cmd.payload.state}`
break
case "ADD_COMMENT":
if (!cmd.payload.frameId) throw "frameId missing"
if (!cmd.payload.id) throw "id missing"
if (!cmd.payload.text) throw "text missing"
break
default:
throw `unsupported command: '${cmd.type}'`
}
}
const commandStore = CommandStore(validate)
const cmd2state = {
POP_FRAME: cmd => {
const childrenMap = $children.get()
for (let id in childrenMap) {
const children = childrenMap[id]
if (children.includes(cmd.payload.id)) {
$children.setKey(id, children.filter(c => c !== cmd.payload.id))
}
}
},
ADD_COMMENT: cmd => {
const { id, frameId, text } = cmd.payload
const comment = {
id,
text: text,
date: cmd.createdAt,
}
$comments.setKey(`${frameId}.${$comments.get()[frameId]?.length ?? 0}`, comment)
},
PUSH_FRAME: cmd => {
$frames.setKey(cmd.payload.id, {
id: cmd.payload.id,
name: cmd.payload.name,
createdAt: cmd.createdAt,
})
const newChildren = $children.get()[cmd.payload.parentId] ?? []
newChildren.push(cmd.payload.id)
$children.setKey(cmd.payload.parentId, newChildren)
},
FRAME_STATE: cmd => {
const { id, state } = cmd.payload
$frames.setKey(`${id}.state`, state)
console.log("FRAME", id, state)
},
VISIT_FRAME: cmd => {
const { id, visitedAt } = cmd.payload
for (let pid of [id, ...reads.listParents(id)]) {
$frames.setKey(`${pid}.lastVisited`, visitedAt)
}
}
}
commandStore.listen(cmd => cmd2state[cmd.type](cmd))
;(() => {
const key = "cmds.v2"
const str = localStorage.getItem(key)
let value = []
if (str !== null) {
value = JSON.parse(str)
}
for (let cmd of value) {
commandStore.push(cmd)
}
commandStore.listen(cmd => {
value.push(cmd)
localStorage.setItem(key, JSON.stringify(value))
})
})()
const commands = {
pushFrame: (parentId, name) => {
return commandStore.push({
type: "PUSH_FRAME",
payload: {
parentId,
id: _id("f"),
name,
}
})
},
popFrame: (id) => {
commandStore.push({
type: "POP_FRAME",
payload: {
id,
}
})
},
addComment: (frameId, text) => {
commandStore.push({
type: "ADD_COMMENT",
payload: {
frameId: frameId,
id: _id("c"),
text,
}
})
},
visitFrame: (id) => {
console.log("VISIT", id)
commandStore.push({
type: "VISIT_FRAME",
payload: {
id,
visitedAt: (new Date()).toISOString()
}
})
},
frameState: (id, state) => {
commandStore.push({
type: "FRAME_STATE",
payload: {
id,
state
}
})
}
}
let timers = {}
export function debounce(func, timeout = 300, f_get_id=null){
let timer
return (...args) => {
let key
if (f_get_id) { key = f_get_id(args[0]); }
clearTimeout(key ? timers[key] : timer);
timer = setTimeout(() => { func.apply(this, args); }, timeout);
if (key) timers[key] = timer
};
}
const ui = {
path: document.getElementById("path"),
dialog: document.getElementById("dialog"),
no: document.getElementById("no"),
yes: document.getElementById("yes"),
input: document.getElementById("input"),
comments: document.getElementById("comments"),
commentSection: document.getElementById("commentSection"),
mermaid: document.getElementById("mermaid"),
createFrameBtn: document.getElementById("createFrameBtn"),
deleteFrameBtn: document.getElementById("deleteFrameBtn"),
toggleFrameBtn: document.getElementById("toggleFrameBtn"),
newCommentText: document.getElementById("newCommentText"),
addCommentBtn: document.getElementById("addCommentBtn"),
created: document.getElementById("created"),
}
$newFrame.subscribe(newFrame => {
ui.input.value = newFrame
ui.createFrameBtn.style.opacity = newFrame ? "1" : "0"
ui.createFrameBtn.disabled = !newFrame ? "true" : ""
})
ui.input.oninput = e => {
const original = e.target.value
const sanitized = sanitize(original)
if (sanitized.length !== original.length) {
ui.input.value = sanitized
}
$newFrame.set(sanitized)
}
function create(stay=false) {
const cmd = commands.pushFrame($frameId.get(), $newFrame.get())
$newFrame.set("")
if (!stay) $frameId.set(cmd.payload.id)
}
input.addEventListener("keydown", e => {
if (e.key === "Enter") {
const stay = e.shiftKey
create(stay)
}
})
ui.createFrameBtn.onclick = e => {
create()
}
ui.toggleFrameBtn.addEventListener("click", () => {
const frame = reads.getNodeById($frameId.get())
commands.frameState(frame.id, frame.state === "waiting" ? "" : "waiting")
})
ui.deleteFrameBtn.addEventListener("click", () => {
$deleting.set(true)
const node = reads.getNodeById($frameId.get())
ui.dialog.querySelector("p").textContent = `
You sure you want to delete: ${node.name}?
`
})
ui.no.addEventListener("click", () => {
$deleting.set(false)
})
ui.yes.addEventListener("click", () => {
const parents = reads.listParents($frameId.get())
commands.popFrame($frameId.get())
$frameId.set(parents[0])
$deleting.set(false)
})
$deleting.subscribe(deleting => {
ui.dialog.dataset.active = deleting
})
window.history.pushState = new Proxy(window.history.pushState, {
apply: (target, thisArg, argArray) => {
window.dispatchEvent(new CustomEvent("pushstate", {}))
return target.apply(thisArg, argArray);
},
});
function handleAnchorClick(e) {
if (e.target.tagName !== "A") return
history.pushState({}, "", e.target.href)
return e.preventDefault()
}
document.addEventListener("click", handleAnchorClick)
$newCommentText.subscribe(value => {
ui.newCommentText.value = value
ui.addCommentBtn.disabled = value.length === 0
ui.addCommentBtn.style.opacity = value.length === 0 ? "0" : "100%"
})
ui.newCommentText.addEventListener("input", e => {
$newCommentText.set(e.target.value)
})
ui.addCommentBtn.addEventListener("click", e => {
commands.addComment($frameId.get(), $newCommentText.get())
$newCommentText.set("")
})
function countLeafs(node) {
let count = 0
for (let child of Object.values(node?.children ?? {})) {
const childLeafCount = countLeafs(child)
if (childLeafCount > 0) {
count += childLeafCount
} else {
count++
}
}
return count
}
window.addEventListener("error", (e, url, line) => {
// alert(`${JSON.stringify(e.message)}`)
return true
})
$frameId.subscribe(id => {
deleteFrameBtn.disabled = id === "root"
})
$frameId.subscribe(id => {
// update all parent dates too
const node = reads.getNodeById(id)
if (node) commands.visitFrame(node.id)
})
function render({frames, children, frameId}) {
// document.title = toURL(path)
let node = reads.getNodeById(frameId)
if (!node) {
$frameId.set("root")
return
}
let childrenIds = reads.listChildren(node.id)
let parentIds = reads.listParents(node.id)
const last = reads.getLastVisitedChild(node.id)
const lastRec = last && reads.getLastVisitedChildRec(last.id)
const commentIcon = ` <svg class="icon" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke-width="1.5" stroke="currentColor" class="size-6"> <path stroke-linecap="round" stroke-linejoin="round" d="m16.862 4.487 1.687-1.688a1.875 1.875 0 1 1 2.652 2.652L10.582 16.07a4.5 4.5 0 0 1-1.897 1.13L6 18l.8-2.685a4.5 4.5 0 0 1 1.13-1.897l8.932-8.931Zm0 0L19.5 7.125M18 14v4.75A2.25 2.25 0 0 1 15.75 21H5.25A2.25 2.25 0 0 1 3 18.75V8.25A2.25 2.25 0 0 1 5.25 6H10" /> </svg> `
function icon(node) {
if (reads.listComments(node.id).length) return commentIcon;
return ""
}
const nodesToRender = [...childrenIds, ...parentIds]
if (!!lastRec) nodesToRender.push(lastRec.id)
const renderNode = node => {
const count = reads.listChildren(node.id).length
return `${node.id}[<a href="?frame=${node.id}">${icon(node)}${node.name}${count > 0 ? `<span class=count>${count}</span>` : ""}</a>]`
}
const nodeClass = (node, className) => {
if (!node) return ''
return `
class ${node.id} ${className}
class ${node.id} state-${node.state}
`
}
let content = `
graph ${frameId !== "root" ? "TD" : "LR"}
${renderNode(node)}
${nodesToRender.map(id => renderNode(reads.getNodeById(id))).join("\n")}
${parentIds.slice(1).map((_,i) => `${parentIds[i+1]} --> ${parentIds[i]}`).join("\n")}
${parentIds[0] ? `${parentIds[0]} --> ${node.id}` : ""}
${childrenIds.map(id => `${node.id} --> ${id}`).join("\n")}
${lastRec ? `${last.id} -.- ${lastRec.id}` : ""}
${nodeClass(node, "primary")}
${childrenIds.map(id => nodeClass(reads.getNodeById(id), "child")).join("\n")}
${parentIds.map(id => nodeClass(reads.getNodeById(id), "child")).join("\n")}
${nodeClass(last, "last")}
${nodeClass(lastRec, "last")}
`
ui.mermaid.textContent = content
ui.mermaid.removeAttribute("data-processed")
mermaid.init(undefined, ui.mermaid);
ui.created.value = node.createdAt
}
batched([$frames, $children, $frameId, $comments], (frames, children, frameId, comments) => ({frames,children, frameId})).subscribe(render)
function renderComments({frameId, comments: allComments}) {
ui.commentSection.style.display = frameId !== "root" ? "block" : "none"
const comments = reads.listComments(frameId)
ui.comments.innerHTML = ""
for (let comment of comments) {
ui.comments.innerHTML += `<div class="comment">
<div class="actions">
<ui-relative-date value="${comment.date}"></ui-relative-date>
</div>
<div class="content">${comment.text}</div>
</div>`
}
}
batched([$frameId, $comments], (frameId, comments) => ({frameId, comments})).subscribe(renderComments)
</script>
</body>
</html>