was.js – Blame information for rev 47
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14 | office | 1 | /*************************************************************************/ |
2 | /* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */ |
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3 | /*************************************************************************/ |
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4 | /* fuss/lambda_calculus/functional_programming/aggregators @ grimore.org */ |
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5 | /*************************************************************************/ |
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47 | office | 6 | function wasSwitch(q, d, ...c) { |
7 | if(c.length % 2 !== 0) { |
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19 | office | 8 | throw "Pairs of predicates expected for cases"; |
9 | } |
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47 | office | 10 | |
11 | (Array.isArray(q) ? q : [ q ]).forEach((s) => { |
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19 | office | 12 | var m = false; |
47 | office | 13 | for(var i = 0; i < c.length; i += 2) { |
14 | if(!c[i](s)) { |
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19 | office | 15 | continue; |
16 | } |
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47 | office | 17 | if(!c[i + 1](s)) { |
19 | office | 18 | continue; |
19 | } |
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20 | m = true; |
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21 | } |
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47 | office | 22 | |
19 | office | 23 | if(!m) { |
47 | office | 24 | d(s); |
19 | office | 25 | } |
26 | }); |
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22 | office | 27 | } |
28 | if (!Array.prototype.switch) { |
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35 | office | 29 | Array.prototype.switch = function() { |
30 | wasSwitch(this, arguments[0], arguments.slice(1)); |
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29 | office | 31 | }; |
22 | office | 32 | } |
33 | // jQuery |
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23 | office | 34 | if(typeof jQuery === 'function') { |
35 | $.extend({ |
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36 | switch: wasSwitch |
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37 | }); |
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38 | } |
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25 | office | 39 | |
40 | /*************************************************************************/ |
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41 | /* Node.JS package export. */ |
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42 | /*************************************************************************/ |
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41 | office | 43 | if(typeof module !== 'undefined' && typeof module.exports !== 'undefined') { |
34 | office | 44 | module.exports.lambda = { |
45 | switch: wasSwitch |
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46 | }; |
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47 | } |