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packages/react-dom-bindings/src/client/ToStringValue.js
47 строк
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Jan Kassens
Cleanup enableBigIntSupport flag (#28711)
03 апр 2024, 16:25
Не верифицирован
03 апр 2024, 16:25
7a2609e
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/** * Copyright (c) Meta Platforms, Inc. and affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. * * @flow */ import {checkFormFieldValueStringCoercion} from 'shared/CheckStringCoercion'; export opaque type ToStringValue = | boolean | number | bigint | Object | string | null | void; // Flow does not allow string concatenation of most non-string types. To work // around this limitation, we use an opaque type that can only be obtained by // passing the value through getToStringValue first. export function toString(value: ToStringValue): string { // The coercion safety check is performed in getToStringValue(). // eslint-disable-next-line react-internal/safe-string-coercion return '' + (value: any); } export function getToStringValue(value: mixed): ToStringValue { switch (typeof value) { case 'bigint': case 'boolean': case 'number': case 'string': case 'undefined': return value; case 'object': if (__DEV__) { checkFormFieldValueStringCoercion(value); } return value; default: // function, symbol are assigned as empty strings return ''; } }