1 | const Value = require('mutant/value');
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2 | const onceTrue = require('mutant/once-true');
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3 |
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4 | module.exports = () => {
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5 | function promiseToMutant(promise) {
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6 | const mutant = Value();
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7 |
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8 | promise.then(mutant.set).catch((err) => { throw err; } );
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9 |
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10 | return mutant;
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11 | }
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12 |
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13 | function mutantToPromise(mutant) {
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14 | return new Promise((resolve, reject) => {
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15 | try {
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16 | onceTrue(mutant, (v) => {
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17 | resolve(v);
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18 | });
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19 | } catch (e) {
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20 | reject(e);
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21 | }
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22 | });
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23 | }
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24 |
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25 | return {
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26 | promiseToMutant,
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27 | mutantToPromise,
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28 | };
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29 | };
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