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22 lines
655 B
JavaScript
22 lines
655 B
JavaScript
import extractValue from './utils/extract-value';
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export default function decoratorAlias(fn, errorMessage) {
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return function(...params) {
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// determine if user called as @computed('blah', 'blah') or @computed
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if (params.length === 0) {
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throw new Error(errorMessage);
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} else {
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return function(target, key, desc) {
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return {
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enumerable: desc.enumerable,
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configurable: desc.configurable,
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writable: desc.writable,
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initializer: function() {
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var value = extractValue(desc);
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return fn.apply(null, params.concat(value));
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}
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};
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};
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}
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};
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}
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