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33 lines
1.0 KiB
33 lines
1.0 KiB
2 years ago
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/**
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* Sets a constant default value for the property when it is undefined.
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* @template T
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* @template {keyof T} Property
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* @param {T} object An object.
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* @param {Property} property A property of the provided object.
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* @param {T[Property]} [defaultValue] The default value to set for the property.
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* @returns {T[Property]} The defaulted property value.
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*/
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const d = (object, property, defaultValue) => {
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if (typeof object[property] === 'undefined' && typeof defaultValue !== 'undefined') {
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object[property] = defaultValue;
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}
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return object[property];
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};
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/**
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* Resolves the value for a nested object option.
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* @template T
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* @template {keyof T} Property
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* @template Result
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* @param {T} object An object.
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* @param {Property} property A property of the provided object.
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* @param {function(T | undefined): Result} fn The handler to resolve the property's value.
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* @returns {Result} The resolved option value.
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*/
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const n = (object, property, fn) => {
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object[property] = fn(object[property]);
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return object[property];
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};
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module.exports = { d, n };
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