33 lines
727 B
JavaScript
33 lines
727 B
JavaScript
|
const vm = require('vm')
|
||
|
|
const v8 = require('v8')
|
||
|
|
const wrap = require('module').wrap
|
||
|
|
|
||
|
|
v8.setFlagsFromString('--no-lazy')
|
||
|
|
v8.setFlagsFromString('--no-flush-bytecode')
|
||
|
|
|
||
|
|
let code = ''
|
||
|
|
|
||
|
|
process.stdin.setEncoding('utf-8')
|
||
|
|
|
||
|
|
process.stdin.on('readable', () => {
|
||
|
|
const data = process.stdin.read()
|
||
|
|
if (data !== null) {
|
||
|
|
code += data
|
||
|
|
}
|
||
|
|
})
|
||
|
|
|
||
|
|
process.stdin.on('end', () => {
|
||
|
|
try {
|
||
|
|
if (typeof code !== 'string') {
|
||
|
|
throw new Error(`javascript code must be string. ${typeof code} was given.`)
|
||
|
|
}
|
||
|
|
|
||
|
|
const script = new vm.Script(wrap(code), { produceCachedData: true })
|
||
|
|
const bytecodeBuffer = script.createCachedData()
|
||
|
|
|
||
|
|
process.stdout.write(bytecodeBuffer)
|
||
|
|
} catch (error) {
|
||
|
|
console.error(error)
|
||
|
|
}
|
||
|
|
})
|