[d24f17c] | 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 | var _floor = _interopRequireDefault(require("./floor"));
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| 7 | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
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| 8 | /**
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| 9 | * Creates an array of numbers (positive and/or negative) progressing from start up to, but not including, end.
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| 10 | *
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| 11 | * `Note`: JavaScript follows the IEEE-754 standard for resolving floating-point values which can produce unexpected results.
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| 12 | *
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| 13 | * @func rangeStep
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| 14 | * @memberOf RA
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| 15 | * @category List
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| 16 | * @since {@link https://char0n.github.io/ramda-adjunct/2.30.0|v2.30.0}
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| 17 | * @sig Number -> Number -> Number -> [Number]
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| 18 | * @param {number} step The value to increment or decrement by
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| 19 | * @param {number} from The start of the range
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| 20 | * @param {number} to The end of the range
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| 21 | * @return {number[]} Returns the range of numbers
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| 22 | * @see {@link http://ramdajs.com/docs/#range|R.range}
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| 23 | * @example
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| 24 | *
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| 25 | * RA.rangeStep(1, 0, 4); // => [0, 1 ,2, 3]
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| 26 | * RA.rangeStep(-1, 0, -4); // => [0, -1, -2, -3]
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| 27 | * RA.rangeStep(1, 1, 5); // => [1, 2, 3, 4]
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| 28 | * RA.rangeStep(5, 0, 20); // => [0, 5, 10, 15]
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| 29 | * RA.rangeStep(-1, 0, -4); // => [0, -1, -2, -3]
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| 30 | * RA.rangeStep(0, 1, 4); // => [1, 1, 1]
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| 31 | * RA.rangeStep(1, 0, 0); // => []
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| 32 | */
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| 33 | var rangeStep = (0, _ramda.curryN)(3, function (step, from, to) {
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| 34 | var callback = step === 0 ? (0, _ramda.always)(from) : function (n) {
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| 35 | return from + step * n;
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| 36 | };
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| 37 | var rangeEnd = step === 0 ? to - from : (0, _floor["default"])((to - from) / step);
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| 38 | return (0, _ramda.map)(callback, (0, _ramda.range)(0, rangeEnd));
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| 39 | });
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| 40 | var _default = rangeStep;
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| 41 | exports["default"] = _default; |
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