createCompareFn() — vue Function Reference

Architecture documentation for the createCompareFn() function in helpers.ts from the vue codebase.

Function typescript VueCore GlobalAPI

Entity Profile

VueCore→ GlobalAPI→ createCompareFn() — vue Function Reference

Dependency Diagram

graph TD
  257dff81_0358_e7bb_2ad2_f499782085a1["createCompareFn()"]
  17e86ae4_9dda_9399_9625_68fceea277c4["helpers.ts"]
  257dff81_0358_e7bb_2ad2_f499782085a1 -->|defined in| 17e86ae4_9dda_9399_9625_68fceea277c4
  style 257dff81_0358_e7bb_2ad2_f499782085a1 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

test/transition/helpers.ts lines 20–48

function createCompareFn(spy) {
  const hasWarned = msg => {
    let count = spy.calls.count()
    let args
    while (count--) {
      args = spy.calls.argsFor(count)
      if (args.some(containsMsg)) {
        return true
      }
    }

    function containsMsg(arg) {
      return arg.toString().indexOf(msg) > -1
    }
  }

  return {
    compare: msg => {
      asserted = asserted.concat(msg)
      const warned = Array.isArray(msg) ? msg.some(hasWarned) : hasWarned(msg)
      return {
        pass: warned,
        message: warned
          ? 'Expected message "' + msg + '" not to have been warned'
          : 'Expected message "' + msg + '" to have been warned'
      }
    }
  }
}