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fix: add setSerializers and defaultSerializers to TS types #95

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thymikee merged 1 commit into master from fix/ts
Nov 5, 2019
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46 changes: 32 additions & 14 deletions index.d.ts
View file Open in desktop
Original file line number Diff line number Diff line change
@@ -1,42 +1,60 @@
/// <reference types="jest"/>

type DiffOptions = {
expand?: boolean
colors?: boolean
contextLines?: number
stablePatchmarks?: boolean
aAnnotation?: string
bAnnotation?: string
}
expand?: boolean;
colors?: boolean;
contextLines?: number;
stablePatchmarks?: boolean;
aAnnotation?: string;
bAnnotation?: string;
};

declare namespace jest {
interface Matchers<R, T> {
/**
* Compare the difference between the actual in the `expect()`
* vs the object inside `valueB` with some extra options.
*/
toMatchDiffSnapshot(valueB: any, options?: DiffOptions, testName?: string): R
toMatchDiffSnapshot(
valueB: any,
options?: DiffOptions,
testName?: string
): R;
}
}

declare module "snapshot-diff" {
interface Serializer {
test: (value: any) => boolean;
print: (value: any, _serializer?: Function) => string;
diffOptions: (valueA: any, valueB: any) => DiffOptions;
}

declare module 'snapshot-diff' {
interface SnapshotDiff {
/**
* Compare the changes from a, to b
*/
(a: any, b: any, options?: DiffOptions): string
(a: any, b: any, options?: DiffOptions): string;
/**
* Allows you to pull out toMatchDiffSnapshot and
* make it available via `expect.extend({ toMatchDiffSnapshot })`.
*/
toMatchDiffSnapshot: jest.CustomMatcher
toMatchDiffSnapshot: jest.CustomMatcher;
/**
* By default Jest adds extra quotes around strings so it makes diff
* snapshots of objects too noisy. To fix this – snapshot-diff comes
* with custom serializer.
*/
getSnapshotDiffSerializer: () => jest.SnapshotSerializerPlugin
getSnapshotDiffSerializer: () => jest.SnapshotSerializerPlugin;
/**
* Add new serializers for unsupported data types, or to set a different
* serializer for React components. If you want to keep the default React
* serializer in place, don't forget to add the default serializers to your
* list of serializers.
*/
setSerializers: (serializers: Array<Serializer>) => void;
defaultSerializers: Array<Serializer>;
}
const diff: SnapshotDiff
export = diff
const diff: SnapshotDiff;
export = diff;
}

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