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Add is.truthy() and is.falsy() (#25)

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Brandon Smith 2017-10-20 14:49:52 +00:00 • committed by Giora Guttsait
parent cdd4829edf
commit dfcdfc3a83
3 changed files with 37 additions and 1 deletions
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index.js
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@ -111,6 +111,9 @@ is.float64Array = isObjectOfType('Float64Array');
is.arrayBuffer = isObjectOfType('ArrayBuffer');
is.sharedArrayBuffer = isObjectOfType('SharedArrayBuffer');
is.truthy = x => !!x; // eslint-disable-line no-implicit-coercion
is.falsy = x => !x;
is.nan = Number.isNaN;
is.nullOrUndefined = x => is.null(x) || is.undefined(x);
@ -188,7 +191,7 @@ const isEmptyStringOrArray = x => (is.string(x) || is.array(x)) && x.length ===
const isEmptyObject = x => !is.map(x) && !is.set(x) && is.object(x) && Object.keys(x).length === 0;
const isEmptyMapOrSet = x => (is.map(x) || is.set(x)) && x.size === 0;
is.empty = x => !x || isEmptyStringOrArray(x) || isEmptyObject(x) || isEmptyMapOrSet(x);
is.empty = x => is.falsy(x) || isEmptyStringOrArray(x) || isEmptyObject(x) || isEmptyMapOrSet(x);
is.emptyOrWhitespace = x => is.empty(x) || isWhiteSpaceString(x);
const predicateOnArray = (method, predicate, values) => {