| 1 | 'use strict';
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| 2 |
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| 3 |
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| 4 | const asyncParamCallbacks = {
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| 5 | 1: fn => (par1, callback) => Promise.resolve(fn(par1)).then(result => callback(null, result)).catch(error => callback(error)),
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| 6 | 2: fn => (par1, par2, callback) => Promise.resolve(fn(par1, par2)).then(result => callback(null, result)).catch(error => callback(error)),
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| 7 | 3: fn => (par1, par2, par3, callback) => Promise.resolve(fn(par1, par2, par3)).then(result => callback(null, result)).catch(error => callback(error)),
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| 8 | };
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| 9 |
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| 10 | const asyncParamCallback = (fn, ...params) => {
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| 11 | const asyncFn = asyncParamCallbacks[params.length];
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| 12 |
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| 13 | if (!asyncFn)
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| 14 | throw new Error(`Async param callback function with ${params.length} parameters is not implemented yet.`);
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| 15 |
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| 16 | return asyncFn(fn);
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| 17 | };
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| 18 |
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| 19 | module.exports = {
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| 20 | asyncParamCallback,
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| 21 | };
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