| 1 | "use strict";
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| 2 |
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| 3 | exports.__esModule = true;
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| 4 | exports["default"] = void 0;
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| 5 | var _ramda = require("ramda");
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| 6 | /**
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| 7 | * Returns a "view" of the given data structure, determined by the given lens.
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| 8 | * The lens's focus determines which portion of the data structure is visible.
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| 9 | * Returns the defaultValue if "view" is null, undefined or NaN; otherwise the "view" is returned.
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| 10 | *
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| 11 | * @func viewOr
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| 12 | * @memberOf RA
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| 13 | * @since {@link https://char0n.github.io/ramda-adjunct/1.13.0|1.13.0}
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| 14 | * @category Object
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| 15 | * @typedef Lens s b = Functor f => (b -> f b) -> s -> f s
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| 16 | * @sig a -> Lens s b -> s -> b | a
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| 17 | * @see {@link http://ramdajs.com/docs/#view|R.view}
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| 18 | * @param {*} defaultValue The default value
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| 19 | * @param {Function} lens Van Laarhoven lens
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| 20 | * @param {*} data The data structure
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| 21 | * @returns {*} "view" or defaultValue
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| 22 | *
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| 23 | * @example
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| 24 | *
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| 25 | * RA.viewOr('N/A', R.lensProp('x'), {}); // => 'N/A'
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| 26 | * RA.viewOr('N/A', R.lensProp('x'), { x: 1 }); // => 1
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| 27 | * RA.viewOr('some', R.lensProp('y'), { y: null }); // => 'some'
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| 28 | * RA.viewOr('some', R.lensProp('y'), { y: false }); // => false
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| 29 | */
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| 30 |
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| 31 | var viewOr = (0, _ramda.curryN)(3, function (defaultValue, lens, data) {
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| 32 | return (0, _ramda.defaultTo)(defaultValue, (0, _ramda.view)(lens, data));
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| 33 | });
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| 34 | var _default = viewOr;
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| 35 | exports["default"] = _default; |
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