25 lines
718 B
JavaScript
Executable File
25 lines
718 B
JavaScript
Executable File
import { jQuery } from "../core.js";
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/**
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* Create key-value caches of limited size
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* @returns {function(string, object)} Returns the Object data after storing it on itself with
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* property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
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* deleting the oldest entry
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*/
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export function createCache() {
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var keys = [];
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function cache( key, value ) {
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// Use (key + " ") to avoid collision with native prototype properties
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// (see https://github.com/jquery/sizzle/issues/157)
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if ( keys.push( key + " " ) > jQuery.expr.cacheLength ) {
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// Only keep the most recent entries
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delete cache[ keys.shift() ];
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}
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return ( cache[ key + " " ] = value );
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}
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return cache;
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}
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