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23 lines
496 B
JavaScript
23 lines
496 B
JavaScript
/**
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* Safe chained function
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*
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* Will only create a new function if needed,
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* otherwise will pass back existing functions or null.
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*
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* @returns {function|null}
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*/
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export default function createChainedFunction() {
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const args = [].slice.call(arguments, 0);
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if (args.length === 1) {
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return args[0];
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}
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return function chainedFunction() {
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for (let i = 0; i < args.length; i++) {
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if (args[i] && args[i].apply) {
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args[i].apply(this, arguments);
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}
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}
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};
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}
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