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feat(helpers)!: stricter checking for function signature passed to multiple #2563

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merged 9 commits into from
Mar 3, 2024
Merged

feat(helpers)!: stricter checking for function signature passed to multiple #2563

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4768038
feat(helpers): allow using parameters in `method` param of `multiple`
pomali Nov 30, 2023
33a7e44
Update src/modules/helpers/index.ts
pomali Feb 20, 2024
1d53c6a
chore: fix tests
ST-DDT Mar 1, 2024
4ea171c
Merge branch 'next' into pr/pomali/2563
ST-DDT Mar 1, 2024
53ec712
Apply suggestions from code review
ST-DDT Mar 1, 2024
ac8724d
docs: write upgrading guide
ST-DDT Mar 1, 2024
8688ca0
docs: improve documentation
ST-DDT Mar 2, 2024
c9cb524
Update src/modules/helpers/index.ts
ST-DDT Mar 2, 2024
529aac6
Update src/modules/helpers/index.ts
ST-DDT Mar 2, 2024
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3 changes: 2 additions & 1 deletion src/modules/helpers/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1246,11 +1246,12 @@ export class SimpleHelpersModule extends SimpleModuleBase {
* @example
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* faker.helpers.multiple(faker.person.firstName) // [ 'Aniya', 'Norval', 'Dallin' ]
* faker.helpers.multiple(faker.person.firstName, { count: 3 }) // [ 'Santos', 'Lavinia', 'Lavinia' ]
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* faker.helpers.multiple((_el, i) => `Person ${i + 1}` ) // [ 'Person 1', 'Person 2', 'Person 3' ]
*
* @since 8.0.0
*/
multiple<TResult>(
method: () => TResult,
method: (() => TResult) | ((v: unknown, k: number) => TResult),
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options: {
/**
* The number or range of elements to generate.
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24 changes: 24 additions & 0 deletions test/modules/__snapshots__/helpers.spec.ts.snap
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Expand Up @@ -98,6 +98,14 @@ exports[`helpers > 42 > multiple > with method and count range 1`] = `
]
`;

exports[`helpers > 42 > multiple > with method using index 1`] = `
[
0,
3,
6,
]
`;

exports[`helpers > 42 > multiple > with only method 1`] = `
[
37454,
Expand Down Expand Up @@ -338,6 +346,14 @@ exports[`helpers > 1211 > multiple > with method and count range 1`] = `
]
`;

exports[`helpers > 1211 > multiple > with method using index 1`] = `
[
0,
3,
6,
]
`;

exports[`helpers > 1211 > multiple > with only method 1`] = `
[
92852,
Expand Down Expand Up @@ -560,6 +576,14 @@ exports[`helpers > 1337 > multiple > with method and count range 1`] = `
]
`;

exports[`helpers > 1337 > multiple > with method using index 1`] = `
[
0,
3,
6,
]
`;

exports[`helpers > 1337 > multiple > with only method 1`] = `
[
26202,
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13 changes: 12 additions & 1 deletion test/modules/helpers.spec.ts
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Expand Up @@ -191,7 +191,8 @@ describe('helpers', () => {
.it('with method and count', faker.datatype.number, { count: 5 })
.it('with method and count range', faker.datatype.number, {
count: { min: 1, max: 10 },
});
})
.it('with method using index', (_el, i) => i * 3);
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});
});

Expand Down Expand Up @@ -1250,6 +1251,16 @@ Try adjusting maxTime or maxRetries parameters for faker.helpers.unique().`)
expect(result.length).toBeGreaterThanOrEqual(1);
expect(result.length).toBeLessThanOrEqual(10);
});

it('should generate values using index of created value', () => {
const result = faker.helpers.multiple((_el, i) => i * 2, {
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count: 3,
});
expect(result).toBeTypeOf('object');
expect(Array.isArray(result)).toBe(true);
expect(result.length).toBe(3);
expect(result).toStrictEqual([0, 2, 4]);
});
});
}
);
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