bluelovers
error-stack
Parse and manipulate error.stack
Install
$ npm i error-stackUsage
const parse = require('error-stack')
const {stack} = new Error('foo')
console.log(stack)
// Error: foo
// at repl:1:11
// at Script.runInThisContext (vm.js:123:20)
const parsed = parse(stack)
parsed.type // Error
parsed.message // foo
parsed.traces
// [
// {
// callee: undefined,
// source: 'repl',
// line: 1,
// col: 11
// },
// {
// callee: 'Script.runInThisContext',
// source: 'vm.js',
// line: 123,
// col: 20
// }
// ]
parsed
.filter(({callee}) => !!callee)
.format()
// Error: foo
// at Script.runInThisContext (vm.js:123:20)parsed.type string
Error type
parsed.message string
The message used by Error constructor
parsed.traces Array<Trace>
interface Source {
// The source of the the callee
source: string
line?: number
col?: number
}
interface Trace extends Source{
callee: string
// Whether the callee is 'eval'
eval?: boolean
// The source location inside eval content
evalTrace: Source
}parsed.filter(filterFunction): this
- filterFunction
Functionthe same as the callback function ofArray.prototype.filter(callback)
Filters the current traces
parsed.format(): string
Format object parsed