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| 1 | import { equals } from 'ramda';
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| 2 |
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| 3 | import stubUndefined from './stubUndefined';
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| 4 |
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| 5 | /**
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| 6 | * Checks if input value is `undefined`.
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| 7 | *
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| 8 | * @func isUndefined
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| 9 | * @memberOf RA
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| 10 | * @since {@link https://char0n.github.io/ramda-adjunct/0.0.1|v0.0.1}
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| 11 | * @category Type
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| 12 | * @sig * -> Boolean
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| 13 | * @param {*} val The value to test
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| 14 | * @return {boolean}
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| 15 | * @see {@link RA.isNotUndefined|isNotUndefined}
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| 16 | * @example
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| 17 | *
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| 18 | * RA.isUndefined(1); //=> false
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| 19 | * RA.isUndefined(undefined); //=> true
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| 20 | * RA.isUndefined(null); //=> false
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| 21 | */
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| 22 | const isUndefined = equals(stubUndefined());
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| 23 |
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| 24 | export default isUndefined;
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