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Rich Trott
e313c0286b
PR-URL: https://github.com/nodejs/node/pull/7999 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Roman Reiss <me@silverwind.io> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Johan Bergström <bugs@bergstroem.nu>
26 lines
608 B
JavaScript
26 lines
608 B
JavaScript
/**
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* Checks `value` to determine whether a default value should be returned in
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* its place. The `defaultValue` is returned if `value` is `NaN`, `null`,
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* or `undefined`.
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*
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* @static
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* @memberOf _
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* @since 4.14.0
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* @category Util
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* @param {*} value The value to check.
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* @param {*} defaultValue The default value.
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* @returns {*} Returns the resolved value.
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* @example
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*
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* _.defaultTo(1, 10);
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* // => 1
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*
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* _.defaultTo(undefined, 10);
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* // => 10
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*/
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function defaultTo(value, defaultValue) {
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return (value == null || value !== value) ? defaultValue : value;
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}
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module.exports = defaultTo;
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