1 |
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2 |
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3 |
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4 | function copy(from, to) {
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5 | (from || []).forEach(function (e) { to.push(e) })
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6 | }
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7 |
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8 |
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9 | function combine(args) {
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10 | var plugs = {}
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11 | var sockets = {}
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12 | args.forEach(function (mod) {
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13 | for(var k in mod) {
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14 | if(Array.isArray(mod[k])) {
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15 | if(sockets[k])
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16 | throw new Error('duplicate socket apis: '+k)
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17 | sockets[k] = mod[k]
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18 | }
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19 | else if('function' == typeof mod[k])
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20 | (plugs[k] = plugs[k] || []).push(mod[k])
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21 | }
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22 | })
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23 |
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24 | for(var k in sockets) copy(plugs[k], sockets[k])
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25 |
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26 | return {plugs: plugs, sockets: sockets}
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27 | }
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28 |
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29 |
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30 | module.exports = combine
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