Reloading works

This commit is contained in:
Daniel Flanagan 2024-06-07 16:00:01 -05:00
parent 8cf51b3a2a
commit 5b6fe4b4d1
2 changed files with 131 additions and 20 deletions

View file

@ -17,6 +17,85 @@
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"https://deno.land/x/cliffy@v1.0.0-rc.4/command/_argument_types.ts": "ab269dacea2030f865a07c2a1e953ec437a64419a05bad1f1ddaab3f99752ead", "https://deno.land/x/cliffy@v1.0.0-rc.4/command/_argument_types.ts": "ab269dacea2030f865a07c2a1e953ec437a64419a05bad1f1ddaab3f99752ead",
"https://deno.land/x/cliffy@v1.0.0-rc.4/command/_errors.ts": "d78e1b4d69d84b8b476b5f3c0b028e3906d48f21b8f1ca1d36d5abe9ccfe48bc", "https://deno.land/x/cliffy@v1.0.0-rc.4/command/_errors.ts": "d78e1b4d69d84b8b476b5f3c0b028e3906d48f21b8f1ca1d36d5abe9ccfe48bc",
"https://deno.land/x/cliffy@v1.0.0-rc.4/command/_spread.ts": "0cc6eb70a6df97b5d7d26008822d39f3e8a1232ee0a27f395aa19e68de738245", "https://deno.land/x/cliffy@v1.0.0-rc.4/command/_spread.ts": "0cc6eb70a6df97b5d7d26008822d39f3e8a1232ee0a27f395aa19e68de738245",

58
mod.ts
View file

@ -1,6 +1,7 @@
import { Command } from 'https://deno.land/x/cliffy@v1.0.0-rc.4/command/mod.ts' import { Command } from 'https://deno.land/x/cliffy@v1.0.0-rc.4/command/mod.ts'
import { z } from 'https://deno.land/x/zod@v3.23.8/mod.ts' import { z } from 'https://deno.land/x/zod@v3.23.8/mod.ts'
import { open } from 'https://deno.land/x/open@v0.0.6/index.ts' import { open } from 'https://deno.land/x/open@v0.0.6/index.ts'
import { relative } from 'https://deno.land/std@0.224.0/path/mod.ts'
const sockets: Set<WebSocket> = new Set([]) const sockets: Set<WebSocket> = new Set([])
@ -110,22 +111,26 @@ async function runMermaidFileWatcher(args: Args) {
console.log( console.log(
`Mermaid file watcher event: ${kind} ${paths.join(', ')}`, `Mermaid file watcher event: ${kind} ${paths.join(', ')}`,
) )
for (const p of paths) { for (const rawPath of paths) {
console.log(p) console.log({ rawPath })
if (p.endsWith('.mmd') && (kind == 'create' || kind == 'modify')) { if (rawPath.endsWith('.mmd')) {
const contents = await Deno.readTextFile(p) const file = `/${relative(args.input, rawPath)}`
console.log({ file })
if (kind == 'create' || kind == 'modify') {
const contents = await Deno.readTextFile(rawPath)
sockets.forEach((s) => sockets.forEach((s) =>
s.send(JSON.stringify({ type: 'mermaid', contents })) s.send(JSON.stringify({ type: 'mermaid', file, kind, contents }))
) )
} else if (p.endsWith('.mmd') && kind == 'remove') { } else if (kind == 'remove') {
sockets.forEach((s) => sockets.forEach((s) =>
s.send(JSON.stringify({ type: 'mermaid', contents: '' })) s.send(JSON.stringify({ type: 'mermaid', file, kind }))
) )
} }
// TODO: handle removals? // TODO: handle removals?
} }
} }
} }
}
function handleWebSocket(req: Request, info: Deno.ServeHandlerInfo): Response { function handleWebSocket(req: Request, info: Deno.ServeHandlerInfo): Response {
const { socket, response } = Deno.upgradeWebSocket(req) const { socket, response } = Deno.upgradeWebSocket(req)
@ -165,18 +170,38 @@ function handleClientEvent(socket: WebSocket, ce: ClientEvent) {
} }
} }
const walkDir = async (
dir: string,
subdir: string = '.',
): Promise<[string, Deno.DirEntry][]> => {
const results: [string, Deno.DirEntry][] = []
for await (const entry of Deno.readDir(dir)) {
if (entry.isFile) results.push([subdir || '.', entry])
else if (entry.isDirectory) {
results.push(
...(await walkDir(`${dir}${entry.name}/`, `${subdir}/${entry.name}`)),
)
}
}
return results
}
const listDiagramsHtml = async (dir: string): Promise<string> => { const listDiagramsHtml = async (dir: string): Promise<string> => {
const list = [] const list = []
for await (const entry of Deno.readDir(dir)) { // TODO: this will be horribly slow on large directories
const entries = await walkDir(dir)
for await (const [subdir, entry] of entries) {
if (entry.isFile && entry.name.endsWith('.mmd')) { if (entry.isFile && entry.name.endsWith('.mmd')) {
list.push(`<li><a href="/${entry.name}">${entry.name}</a></li>`) list.push(
`<li><a href="/${subdir}/${entry.name}">${subdir}/${entry.name}</a></li>`,
)
} }
} }
return `<ul>${list.join('\n')}</ul>` return `<ul>${list.join('\n')}</ul>`
} }
const diagramContent = async (args: Args, file: string): Promise<string> => { const diagramContent = async (args: Args, file: string): Promise<string> => {
let content = await Deno.readTextFile(args.input + file) const content = await Deno.readTextFile(args.input + file)
return `<div id="diagram" class="mermaid">${content}</div>` return `<div id="diagram" class="mermaid">${content}</div>`
} }
@ -192,7 +217,7 @@ const page = (title: string | null, content: string) =>
<h1><a href="/">Diagram Index</a>${ <h1><a href="/">Diagram Index</a>${
title !== null ? ` <a href="${title}">${title}</a>` : '' title !== null ? ` <a href="${title}">${title}</a>` : ''
}</h1> }</h1>
<script type="module" src="./client.js"></script> <script type="module" src="/client.js"></script>
${content} ${content}
<style> <style>
@media (prefers-color-scheme: dark) { @media (prefers-color-scheme: dark) {
@ -258,11 +283,14 @@ async function handleMessage({ data }) {
async function handleStructuredMessage(data) { async function handleStructuredMessage(data) {
switch (data.type) { switch (data.type) {
case 'mermaid': { case 'mermaid': {
if (window.location.pathname == '/') { if (window.location.pathname == '/' && (data.kind == 'create' || data.kind == 'remove')) {
window.location.reload() window.location.reload()
return return
} }
console.log(data.file)
if (window.location.pathname != data.file) return
if (rendering) return if (rendering) return
rendering = true rendering = true
@ -276,9 +304,13 @@ async function handleStructuredMessage(data) {
} }
async function renderLastDiagram() { async function renderLastDiagram() {
if (lastDiagram == '') return if (lastDiagram == '' || window.location.pathname == '/') return
try {
document.getElementById('diagram').innerHTML = document.getElementById('diagram').innerHTML =
(await mermaid.render('mermaid', lastDiagram)).svg (await mermaid.render('mermaid', lastDiagram)).svg
} catch (err) {
console.error(\`Failed to render mermaid diagram: \${err}\`)
}
} }
addEventListener('DOMContentLoaded', connectSocket) addEventListener('DOMContentLoaded', connectSocket)