| 1 | var annotate = require('annotate');
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| 2 | var is = require('annois');
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| 3 |
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| 4 |
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| 5 | module.exports = annotate('range', 'Generates a range based on given `start`, `end` and `stride` values.').
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| 6 | on(is.number, is.number, is.number, range).
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| 7 | on(is.number, is.number, range).
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| 8 | on(is.number, range);
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| 9 |
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| 10 |
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| 11 | function range(start, end, stride) {
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| 12 | if(stride < 1) {
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| 13 | return [];
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| 14 | }
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| 15 |
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| 16 | stride = stride || 1;
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| 17 |
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| 18 | if(!is.defined(end)) {
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| 19 | end = start;
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| 20 | start = 0;
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| 21 | }
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| 22 |
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| 23 | var ret = [];
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| 24 |
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| 25 | for(var i = start, len = end; i < len; i += stride) {
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| 26 | ret.push(i);
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| 27 | }
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| 28 |
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| 29 | return ret;
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| 30 | }
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| 31 |
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