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21 lines
666 B
Plaintext
21 lines
666 B
Plaintext
// @flow strict
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import nodejsCustomInspectSymbol from './nodejsCustomInspectSymbol';
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/**
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* The `defineToJSON()` function defines toJSON() and inspect() prototype
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* methods, if no function provided they become aliases for toString().
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*/
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export default function defineToJSON(
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classObject: Class<any> | ((...args: Array<any>) => mixed),
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fn?: () => mixed = classObject.prototype.toString,
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): void {
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classObject.prototype.toJSON = fn;
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classObject.prototype.inspect = fn;
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/* istanbul ignore else (See: https://github.com/graphql/graphql-js/issues/2317) */
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if (nodejsCustomInspectSymbol) {
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classObject.prototype[nodejsCustomInspectSymbol] = fn;
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}
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}
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