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feat: Support readonly options for Types.string and Types.number #956

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feat: Support readonly options for Types.string and Types.number #956

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22 changes: 17 additions & 5 deletions src/__tests__/types.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -166,12 +166,23 @@ describe('types', () => {
});
});

test('options', () => {
types.number({
test('options, range and modulo', () => {
const options = {
maximum: 9,
minimum: 2,
multipleOf: 2,
});
} as const;
types.number(options);
Comment on lines +170 to +175
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This does not to be defined as const. Please keep this options object inline.

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You are correct that this test case doesn't exercise any new readonly functionality. I'll revert this portion of the change.

In the subsequent test, the separate declaration is necessary.

image


// @ts-expect-error invalid option
types.number({ maxLength: 1 });
});

test('options, enum', () => {
const options = {
enum: [1, 2, 3],
} as const;
types.number(options);

// @ts-expect-error invalid option
types.number({ maxLength: 1 });
Expand Down Expand Up @@ -327,11 +338,12 @@ describe('types', () => {
});

test('options', () => {
types.string({
const options = {
enum: ['foo', 'bar'],
maxLength: 9,
minLength: 1,
});
} as const;
types.string(options);

// @ts-expect-error invalid option
types.string({ maximum: 1 });
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4 changes: 2 additions & 2 deletions src/types.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@ interface ArrayOptions extends GenericOptions {
}

interface NumberOptions extends GenericOptions {
enum?: number[];
enum?: readonly number[];
exclusiveMaximum?: boolean;
exclusiveMinimum?: boolean;
maximum?: number;
Expand All @@ -35,7 +35,7 @@ interface ObjectOptions extends GenericOptions {
}

interface StringOptions extends GenericOptions {
enum?: string[];
enum?: readonly string[];
maxLength?: number;
minLength?: number;
pattern?: string;
Expand Down
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