errorCaptured.spec.ts — vue Source File

Source Code

import Vue from 'vue'

describe('Options errorCaptured', () => {
  let globalSpy

  beforeEach(() => {
    globalSpy = Vue.config.errorHandler = vi.fn()
  })

  afterEach(() => {
    Vue.config.errorHandler = undefined
  })

  it('should capture error from child component', () => {
    const spy = vi.fn()

    let child
    let err
    const Child = {
      created() {
        child = this
        err = new Error('child')
        throw err
      },
      render() {}
    }

    new Vue({
      errorCaptured: spy,
      render: h => h(Child)
    }).$mount()

    expect(spy).toHaveBeenCalledWith(err, child, 'created hook')
    // should propagate by default
    expect(globalSpy).toHaveBeenCalledWith(err, child, 'created hook')
  })

  it('should be able to render the error in itself', done => {
    let child
    const Child = {
      created() {
        child = this
        throw new Error('error from child')
      },
      render() {}
    }

    const vm = new Vue({
      data: {
        error: null
      },
      errorCaptured(e, vm, info) {
        expect(vm).toBe(child)
        this.error = e.toString() + ' in ' + info
      },
      render(h) {
        if (this.error) {
          return h('pre', this.error)
        }
        return h(Child)
// ... (367 more lines)