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x/ramda/all.js

:ram: Practical functional Javascript
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import _curry2 from './internal/_curry2';import _dispatchable from './internal/_dispatchable';import _xall from './internal/_xall';

/** * Returns `true` if all elements of the list match the predicate, `false` if * there are any that don't. * * Dispatches to the `all` method of the second argument, if present. * * Acts as a transducer if a transformer is given in list position. * * @func * @memberOf R * @since v0.1.0 * @category List * @sig (a -> Boolean) -> [a] -> Boolean * @param {Function} fn The predicate function. * @param {Array} list The array to consider. * @return {Boolean} `true` if the predicate is satisfied by every element, `false` * otherwise. * @see R.any, R.none, R.transduce * @example * * const equals3 = R.equals(3); * R.all(equals3)([3, 3, 3, 3]); //=> true * R.all(equals3)([3, 3, 1, 3]); //=> false */var all = _curry2(_dispatchable(['all'], _xall, function all(fn, list) { var idx = 0; while (idx < list.length) { if (!fn(list[idx])) { return false; } idx += 1; } return true;}));export default all;