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17 lines
484 B
JavaScript
17 lines
484 B
JavaScript
export function extend(object, func, extension) {
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var oldFunc = object[func];
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object[func] = function() {
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var args = [].slice.apply(arguments);
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var value = oldFunc.apply(this, args);
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return extension.apply(this, [value].concat(args));
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}
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};
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export function override(object, func, override) {
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var parent = object[func];
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object[func] = function() {
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var args = [].slice.apply(arguments);
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return override.apply(this, [parent.bind(this)].concat(args));
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}
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}
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