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Add typings for object-merge #247

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Merged
angus-c merged 1 commit into from
May 3, 2021
Merged

Add typings for object-merge #247

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3 changes: 3 additions & 0 deletions packages/object-merge/index.d.ts
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Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
// Definitions by: nokazn <https://github.com/nokazn>
declare function merge(obj1: object, ...objs: object[]): object;
export = merge;
54 changes: 54 additions & 0 deletions packages/object-merge/index.tests.ts
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import merge = require('./index');

// OK

// Single argument
merge({});
merge({ a: 1 });
merge([]);
merge(() => {});
merge(new Map());
merge(new Set());

// Multiple arguments
merge({}, {});
merge({}, { a: 1 });
merge({}, []);
merge({}, () => {});
merge({}, new Map());
merge({}, new Set());
merge({}, { a: 1 }, { a: 2, b: 3 });

// Not OK

// Single argument
// @ts-expect-error
merge();
// @ts-expect-error
merge(0);
// @ts-expect-error
merge('');
// @ts-expect-error
merge(false);
// @ts-expect-error
merge(null);
// @ts-expect-error
merge(undefined);
// @ts-expect-error
merge(Symbol());

// Multiple arguments
// @ts-expect-error
merge({}, 0);
// @ts-expect-error
merge({}, '');
// @ts-expect-error
merge({}, false);
// @ts-expect-error
merge({}, null);
// @ts-expect-error
merge({}, undefined);
// @ts-expect-error
merge({}, Symbol());
// @ts-expect-error
merge({}, {}, null);
1 change: 1 addition & 0 deletions packages/object-merge/package.json
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Expand Up @@ -3,6 +3,7 @@
"version": "1.1.0",
"description": "shallow extend an object",
"main": "index.js",
"types": "index.d.ts",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
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