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| 1 | /**
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| 2 | * Checks `value` to determine whether a default value should be returned in
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| 3 | * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,
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| 4 | * or `undefined`.
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| 5 | *
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| 6 | * @static
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| 7 | * @memberOf _
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| 8 | * @since 4.14.0
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| 9 | * @category Util
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| 10 | * @param {*} value The value to check.
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| 11 | * @param {*} defaultValue The default value.
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| 12 | * @returns {*} Returns the resolved value.
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| 13 | * @example
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| 14 | *
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| 15 | * _.defaultTo(1, 10);
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| 16 | * // => 1
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| 17 | *
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| 18 | * _.defaultTo(undefined, 10);
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| 19 | * // => 10
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| 20 | */
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| 21 | function defaultTo(value, defaultValue) {
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| 22 | return (value == null || value !== value) ? defaultValue : value;
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| 23 | }
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| 24 |
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| 25 | module.exports = defaultTo;
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