15 lines
311 B
JavaScript
15 lines
311 B
JavaScript
// Returns a function that will only be executed up to (but not including) the
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// Nth call.
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function before(times, func) {
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var memo;
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return function() {
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if (--times > 0) {
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memo = func.apply(this, arguments);
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}
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if (times <= 1) func = null;
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return memo;
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};
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}
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module.exports = before;
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