bringing back v6/5 props (#1732)

* bringing back v6/5 props

* changelog update

* Update CHANGELOG.md

Co-authored-by: David Goss <david@davidgoss.co>

Co-authored-by: Ludek Novy <ludeknovy@fastmail.com>
Co-authored-by: David Goss <david@davidgoss.co>

CHANGELOG.md

@@ -26,6 +26,7 @@ Please see [CONTRIBUTING.md](https://github.com/cucumber/cucumber/blob/master/CO
 
 * Prevent duplicate scenario execution where the same feature is targeted in multiple line expressions ([#1706](https://github.com/cucumber/cucumber-js/issues/1706))
 * Fixed reports banner to point to [new docs](https://cucumber.io/docs/cucumber/environment-variables/) about environment variables 
+* Re-add color functions for use with custom formatters [1582](https://github.com/cucumber/cucumber-js/issues/1582)
 * IParameterTypeDefinition regexp fix [1702](https://github.com/cucumber/cucumber-js/issues/1702)
 
 ## [7.3.0] (2021-06-17)

src/formatter/get_color_fns.ts

@@ -9,6 +9,10 @@ export interface IColorFns {
  forStatus: (status: TestStepResultStatus) => IColorFn
  location: IColorFn
  tag: IColorFn
+ diffAdded: IColorFn
+ diffRemoved: IColorFn
+ errorMessage: IColorFn
+ errorStack: IColorFn
 }
 
 export default function getColorFns(enabled: boolean): IColorFns {
@@ -27,6 +31,10 @@ export default function getColorFns(enabled: boolean): IColorFns {
  },
  location: colors.gray.bind(colors),
  tag: colors.cyan.bind(colors),
+ diffAdded: colors.green.bind(colors),
+ diffRemoved: colors.red.bind(colors),
+ errorMessage: colors.red.bind(colors),
+ errorStack: colors.grey.bind(colors),
  }
  } else {
  return {
@@ -35,6 +43,10 @@ export default function getColorFns(enabled: boolean): IColorFns {
  },
  location: (x) => x,
  tag: (x) => x,
+ diffAdded: (x) => x,
+ diffRemoved: (x) => x,
+ errorMessage: (x) => x,
+ errorStack: (x) => x,
  }
  }
 }