26 lines
1.8 KiB
Markdown
26 lines
1.8 KiB
Markdown
# Function: updateJson
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▸ **updateJson**\<`T`, `U`\>(`tree`, `path`, `updater`, `options?`): `void`
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Updates a JSON value to the file system tree
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#### Type parameters
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| Name | Type |
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| :--- | :----------------------- |
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| `T` | extends `object` = `any` |
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| `U` | extends `object` = `T` |
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#### Parameters
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| Name | Type | Description |
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| :--------- | :------------------------------------------------------------------------------------------------------------------------------------ | :--------------------------------------------------------------------------------------------------- |
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| `tree` | [`Tree`](../../devkit/documents/Tree) | File system tree |
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| `path` | `string` | Path of JSON file in the Tree |
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| `updater` | (`value`: `T`) => `U` | Function that maps the current value of a JSON document to a new value to be written to the document |
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| `options?` | [`JsonParseOptions`](../../devkit/documents/JsonParseOptions) & [`JsonSerializeOptions`](../../devkit/documents/JsonSerializeOptions) | Optional JSON Parse and Serialize Options |
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#### Returns
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`void`
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