core3-utils

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defineSame() function

Creates a symbol for usage in mostlyEqual, Comparing the resulting value in any place it is used as the value

Signature:

defineSame: (name: string, skipUndefined?: boolean) => import("./types").MarkerSymbol

Parameters

Parameter	Type	Description
name	string	error display name
skipUndefined	boolean	_(Optional)_ ignores undefined values, even for multiple instances

Returns:

import(“./types”).MarkerSymbol

Example

const id = defineSame('id');
expect({
      a: 'a',
      b: 'b',
  }).to.mostlyEqual({
      a: id,
      b: id
  }); // will fail

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