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expand TreeInput type to include empty array
+34
-2
+1
-1
src/index.test.ts
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-1
src/index.test.ts
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-1
src/index.ts
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src/index.ts
···
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* The strict tree input format. Must start with a string.
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* This type is exported for testing purposes and advanced usage.
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*/
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-
export type TreeInput = [string, ...Array<string | TreeNode[]>]
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export type TreeInput = [string, ...Array<string | TreeNode[]>] | string[]
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/**
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* Flexible input type that accepts any array.
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src/types.test.ts
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src/types.test.ts
···
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import assert from 'node:assert/strict'
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import { describe, test } from 'node:test'
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import { treeify } from './index.js'
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import type { TreeInput } from './index.js'
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describe('treeify types', () => {
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test('input with values', () => {
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const inputWithValues: TreeInput = ['root', ['child1', 'child2', 'child3']]
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let result = treeify(inputWithValues)
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assert.ok(result)
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const inputWithoutValues: TreeInput = []
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result = treeify(inputWithoutValues)
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assert.equal(result, '') // empty string
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// @ts-expect-error
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const inputWithoutRootString: TreeInput = [{ bad: 'root' }, 'root2']
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assert.throws(() => treeify(inputWithoutRootString), {
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message: 'First element must be a string',
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})
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// @ts-expect-error
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const inputWithRootStringAndInvalidValues: TreeInput = [
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'root',
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1,
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{},
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['child1', 'child2', 'child3'],
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]
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result = treeify(inputWithRootStringAndInvalidValues)
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assert.ok(result) // non-strings are ignored
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})
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})