homebridge-prometheus-exporter/code-generation/hap-gen.js
Lars Strojny f6bc8ca90c
Use code generation for UUID service map (#14)
Instead of introspecting *hap-nodejs* at runtime for UUID to service
mapping, generate the map during build time.
2022-11-10 11:07:31 +01:00

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#!/usr/bin/env node
const hap = require('hap-nodejs')
const { format } = require('prettier')
const prettierConfig = require('../prettier.config')
const { writeFileSync } = require('fs')
const { join, basename } = require('path')
const uuidToServiceMap = {}
const serviceToUuidMap = {}
for (const [name, service] of Object.entries(hap.Service)) {
if (typeof service !== 'function' || typeof service.UUID !== 'string') {
console.log(`Skipping ${typeof service} ${name}`)
continue
}
uuidToServiceMap[service.UUID] = name
serviceToUuidMap[name] = service.UUID
}
const code = format(
`
// Auto-generated by "${join(basename(__dirname), basename(__filename))}", dont manually edit
export const Uuids: Record<string,string> = ${JSON.stringify(uuidToServiceMap)} as const
export const Services: Record<string,string> = ${JSON.stringify(serviceToUuidMap)} as const
`,
{ filepath: 'codegen.ts', ...prettierConfig },
)
writeFileSync(join(__dirname, '../src/generated/services.ts'), code)