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  • License MIT

Parse and manipulate error.stack

Package Exports

  • error-stack

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (error-stack) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

Build Status Coverage

error-stack

Parse and manipulate error.stack

Install

$ npm i error-stack

Usage

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 Function the same as the callback function of Array.prototype.filter(callback)

Filters the current traces

parsed.format(): string

Format object parsed

License

MIT