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add envvar for dev server port #529

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add envvar for dev server port #529

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8 changes: 8 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,14 @@ via npm:

Invoking `speedscope /path/to/profile` will load speedscope in your default browser.

## Development server

You can run Speedscope as a local server:

npm run serve

This will bind to http://localhost:8000 by default. To use a different port, set the `SPEEDSCOPE_PORT` enviroment variable.

## Self-contained directory

If you don't have npm or node installed, you can also download a
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4 changes: 3 additions & 1 deletion scripts/dev-server.ts
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Expand Up @@ -30,8 +30,10 @@ async function main() {

await ctx.rebuild()

let {host, port} = await ctx.serve({
const port = process.env.SPEEDSCOPE_PORT ? parseInt(process.env.SPEEDSCOPE_PORT) : 8000
let {host} = await ctx.serve({
servedir: outdir,
port,
})

console.log(`Server is running at http://${host}:${port}`)
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