23 lines
673 B
JavaScript
23 lines
673 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 @discourseComputed('blah', 'blah') or @discourseComputed
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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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