pinafore/bin/build-inline-script.js

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#!/usr/bin/env node
import crypto from 'crypto'
import fs from 'fs'
import pify from 'pify'
import path from 'path'
import { themes } from '../routes/_static/themes.js'
import { fromPairs } from 'lodash-es'
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const readFile = pify(fs.readFile.bind(fs))
const writeFile = pify(fs.writeFile.bind(fs))
async function main () {
let inlineScriptPath = path.join(__dirname, '../inline-script.js')
let code = await readFile(inlineScriptPath, 'utf8')
code = code.replace('process.env.THEME_COLORS', JSON.stringify(fromPairs(themes.map(_ => ([_.name, _.color])))))
code = `(function () {'use strict'\n${code}})()`
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let checksum = crypto.createHash('sha256').update(code).digest('base64')
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let checksumFilepath = path.join(__dirname, '../inline-script-checksum.json')
await writeFile(checksumFilepath, JSON.stringify({ checksum }), 'utf8')
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let html2xxFilepath = path.join(__dirname, '../templates/2xx.html')
let html2xxFile = await readFile(html2xxFilepath, 'utf8')
html2xxFile = html2xxFile.replace(
/<!-- insert inline script here -->[\s\S]+<!-- end insert inline script here -->/,
'<!-- insert inline script here --><script>' + code + '</script><!-- end insert inline script here -->'
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)
await writeFile(html2xxFilepath, html2xxFile, 'utf8')
}
main().catch(err => {
console.error(err)
process.exit(1)
})