bigint-mod-arith/build/testing/mocha/builders/Builder.cjs

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const EventEmitter = require('events')
const fs = require('fs')
const path = require('path')
module.exports = class Builder extends EventEmitter {
constructor (semaphoreFile, name = 'builder') {
super()
this.name = name
this.firstBuild = true
fs.mkdirSync(path.dirname(semaphoreFile), { recursive: true })
this.semaphoreFile = semaphoreFile
this._ready = false
this.on('message', (...message) => {
if (message !== undefined) {
console.log(`\x1b[33m [${this.name}]`, ...message, '\x1b[0m')
}
})
this.on('error', (...error) => {
if (error !== undefined) {
console.error(`\x1b[31m❗ [${this.name}]`, ...error, '\x1b[0m')
}
})
this.on('ready', () => {
if (this.firstBuild === false) {
fs.writeFileSync(this.semaphoreFile, '', 'utf-8')
} else {
this.firstBuild = false
}
this._ready = true
})
this.on('busy', () => {
this._ready = false
})
}
ready () {
return new Promise(resolve => {
if (this._ready === true) return resolve()
this.once('ready', () => {
resolve()
})
})
}
async start () {
}
async close () {}
clean () {
fs.rmSync(this.semaphoreFile, { force: true })
}
}