| 1 | let UID = 0;
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| 2 | const prefix = "d3v";
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| 3 |
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| 4 | // Add a unique identifier to an object
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| 5 | export default function(o) {
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| 6 | var uid = prefix + ++UID;
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| 7 |
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| 8 | if (arguments.length) {
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| 9 | Object.defineProperty(o, "uid", {
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| 10 | get: function() {
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| 11 | return uid;
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| 12 | }
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| 13 | });
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| 14 |
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| 15 | return o;
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| 16 | } else return uid;
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| 17 | }
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