1 | import Emitter from 'tiny-emitter';
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2 | /**
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3 | * Extend given object with emitter functions `on`, `off`, `once`, `emit`
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4 | * @param {Object} obj
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5 | * @return {Object} obj
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6 | */
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7 |
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8 | export function mixin(obj) {
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9 | // create event emitter
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10 | var emitter = new Emitter(); // bind methods to obj (we don't want to expose the emitter.e Array...)
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11 |
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12 | obj.on = emitter.on.bind(emitter);
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13 | obj.off = emitter.off.bind(emitter);
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14 | obj.once = emitter.once.bind(emitter);
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15 | obj.emit = emitter.emit.bind(emitter);
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16 | return obj;
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17 | } |
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