3172e61f05
This PR add a CLI speedscope which load file given as an argument in your default browser. Expected usage looks like: ``` speedscope /path/to/profile ``` Note that since we're using base64 encoded strings as a transport for this, this won't work with multi-file profiles, like the Instruments .trace files. This could be augmented to support that by archiving the contents, but that can be handled in a different PR. This PR also set up a viable model for integrating speedscope into other projects. By replicating the contents of `cli.js` in other languages, integration should be possible in other languages with no dependency upon node in any way. Distribution should consist of just HTML, JS, and CSS assets to be loaded in browser. Test Plan: - Ran the following to simulate a publish & subsequent installation: ``` $ npm pack $ mv speedscope-0.1.0.tgz /tmp/ $ cd /tmp $ tar -xvvf speedscope-0.1.0.tgz $ cd package $ npm install --only=production $ ./cli.js Opening file:///private/tmp/package/dist/release/index.html in your default browser $ ./cli.js ~/code/speedscope/sample/profiles/Chrome/65/timeline.json Creating temp file /var/folders/l0/qtd9z14973s2tw81vmzwkyp00000gp/T/speedscope-1531023992823-3880.js Creating temp file /var/folders/l0/qtd9z14973s2tw81vmzwkyp00000gp/T/speedscope-1531023992823-3880.html Opening file:///var/folders/l0/qtd9z14973s2tw81vmzwkyp00000gp/T/speedscope-1531023992823-3880.html in your default browser ``` Fixes #24
75 lines
2.1 KiB
JavaScript
Executable File
75 lines
2.1 KiB
JavaScript
Executable File
#!/usr/bin/env node
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const path = require('path')
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const fs = require('fs')
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const os = require('os')
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const opn = require('opn')
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const helpString = `
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Usage: speedscope [filepath]
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If invoked with no arguments, will open a local copy of speedscope in your default browser.
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Once open, you can browse for a profile to import.
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`
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if (process.argv.includes('--help') || process.argv.includes('-h')) {
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console.log(helpString)
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process.exit(0)
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}
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if (process.argv.includes('--version') || process.argv.includes('-v')) {
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console.log('v' + require('./package.json').version)
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process.exit(0)
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}
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if (process.argv.length > 3) {
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console.log('At most one argument expected')
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console.log(helpString)
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process.exit(1)
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}
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let urlToOpen = 'file://' + path.resolve(__dirname, './dist/release/index.html')
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if (process.argv.length === 3) {
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const absPath = path.resolve(process.cwd(), process.argv[2])
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let sourceBuffer
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try {
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sourceBuffer = fs.readFileSync(absPath)
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} catch (e) {
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console.log(e)
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console.log(helpString)
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process.exit(1)
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}
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const filename = path.basename(absPath)
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const sourceBase64 = sourceBuffer.toString('base64')
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const jsSource = `speedscope.loadFileFromBase64(${JSON.stringify(filename)}, ${JSON.stringify(
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sourceBase64,
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)})`
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const filePrefix = `speedscope-${+new Date()}-${process.pid}`
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const jsPath = path.join(os.tmpdir(), `${filePrefix}.js`)
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console.log(`Creating temp file ${jsPath}`)
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fs.writeFileSync(jsPath, jsSource)
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urlToOpen += `#localProfilePath=${jsPath}`
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// For some silly reason, the OS X open command ignores any query parameters or hash parameters
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// passed as part of the URL. To get around this weird issue, we'll create a local HTML file
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// that just redirects.
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const htmlPath = path.join(os.tmpdir(), `${filePrefix}.html`)
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console.log(`Creating temp file ${htmlPath}`)
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fs.writeFileSync(htmlPath, `<script>window.location=${JSON.stringify(urlToOpen)}</script>`)
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urlToOpen = `file://${htmlPath}`
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}
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console.log('Opening', urlToOpen, 'in your default browser')
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opn(urlToOpen, {wait: false}).then(
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() => {
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process.exit(0)
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},
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err => {
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console.error(err)
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console.exit(1)
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},
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)
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