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Andrew Clark
9cdf8a99ed
* Facebook -> Meta in copyright rg --files | xargs sed -i 's#Copyright (c) Facebook, Inc. and its affiliates.#Copyright (c) Meta Platforms, Inc. and affiliates.#g' * Manual tweaks
46 lines
1.2 KiB
JavaScript
46 lines
1.2 KiB
JavaScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @flow
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*/
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import {checkFormFieldValueStringCoercion} from 'shared/CheckStringCoercion';
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export opaque type ToStringValue =
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| boolean
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| number
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| Object
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| string
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| null
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| void;
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// Flow does not allow string concatenation of most non-string types. To work
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// around this limitation, we use an opaque type that can only be obtained by
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// passing the value through getToStringValue first.
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export function toString(value: ToStringValue): string {
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// The coercion safety check is performed in getToStringValue().
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// eslint-disable-next-line react-internal/safe-string-coercion
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return '' + (value: any);
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}
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export function getToStringValue(value: mixed): ToStringValue {
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switch (typeof value) {
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case 'boolean':
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case 'number':
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case 'string':
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case 'undefined':
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return value;
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case 'object':
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if (__DEV__) {
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checkFormFieldValueStringCoercion(value);
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}
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return value;
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default:
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// function, symbol are assigned as empty strings
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return '';
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}
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}
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