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Diffstat (limited to 'deps/npm/node_modules/cli-table2/node_modules/lodash/utility/range.js')
-rw-r--r-- | deps/npm/node_modules/cli-table2/node_modules/lodash/utility/range.js | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/deps/npm/node_modules/cli-table2/node_modules/lodash/utility/range.js b/deps/npm/node_modules/cli-table2/node_modules/lodash/utility/range.js new file mode 100644 index 0000000000..671939afcc --- /dev/null +++ b/deps/npm/node_modules/cli-table2/node_modules/lodash/utility/range.js @@ -0,0 +1,66 @@ +var isIterateeCall = require('../internal/isIterateeCall'); + +/* Native method references for those with the same name as other `lodash` methods. */ +var nativeCeil = Math.ceil, + nativeMax = Math.max; + +/** + * Creates an array of numbers (positive and/or negative) progressing from + * `start` up to, but not including, `end`. If `end` is not specified it's + * set to `start` with `start` then set to `0`. If `end` is less than `start` + * a zero-length range is created unless a negative `step` is specified. + * + * @static + * @memberOf _ + * @category Utility + * @param {number} [start=0] The start of the range. + * @param {number} end The end of the range. + * @param {number} [step=1] The value to increment or decrement by. + * @returns {Array} Returns the new array of numbers. + * @example + * + * _.range(4); + * // => [0, 1, 2, 3] + * + * _.range(1, 5); + * // => [1, 2, 3, 4] + * + * _.range(0, 20, 5); + * // => [0, 5, 10, 15] + * + * _.range(0, -4, -1); + * // => [0, -1, -2, -3] + * + * _.range(1, 4, 0); + * // => [1, 1, 1] + * + * _.range(0); + * // => [] + */ +function range(start, end, step) { + if (step && isIterateeCall(start, end, step)) { + end = step = undefined; + } + start = +start || 0; + step = step == null ? 1 : (+step || 0); + + if (end == null) { + end = start; + start = 0; + } else { + end = +end || 0; + } + // Use `Array(length)` so engines like Chakra and V8 avoid slower modes. + // See https://youtu.be/XAqIpGU8ZZk#t=17m25s for more details. + var index = -1, + length = nativeMax(nativeCeil((end - start) / (step || 1)), 0), + result = Array(length); + + while (++index < length) { + result[index] = start; + start += step; + } + return result; +} + +module.exports = range; |