| 1 | const expose = require('./expose');
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| 2 |
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| 3 | /**
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| 4 | * Get the return value of the argument if
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| 5 | * it is a function or pass it through.
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| 6 | *
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| 7 | * @param {*} value
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| 8 | * @return {*}
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| 9 | */
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| 10 | function passOrGet(value, argumentList = []) {
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| 11 | if (typeof value === 'function') {
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| 12 | return value(...argumentList);
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| 13 | }
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| 14 |
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| 15 | return value;
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| 16 | }
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| 17 |
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| 18 | /**
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| 19 | * Call a value with optional arguments if it is a function.
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| 20 | *
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| 21 | * @param {*} callback
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| 22 | * A value that is called if it is a function.
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| 23 | * @param {Array|Function} [argumentList=[]]
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| 24 | * The optional arguments for the callback.
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| 25 | * @returns {*}
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| 26 | * The return value of the function if it is called or undefined.
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| 27 | */
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| 28 | function callOrNothingAtAll(callback, argumentList = []) {
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| 29 | if (typeof callback === 'function') {
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| 30 | return callback(...passOrGet(argumentList));
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| 31 | }
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| 32 | }
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| 33 |
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| 34 | module.exports = expose({
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| 35 | callOrNothingAtAll,
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| 36 | passOrGet,
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| 37 | });
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