import {errorMessage, isFunction, loadResources} from './utils';
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import type {Loader, LoaderCallback} from '.';
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const loader: Loader = function (source) {
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this.cacheable();
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const callback = this.async();
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if (!isFunction<LoaderCallback>(callback)) {
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throw new Error(errorMessage.syncCompilation);
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}
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/* istanbul ignore if: not possible to test */
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if (typeof source !== 'string') {
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throw new Error(errorMessage.impossible);
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}
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void loadResources(this, source, callback);
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};
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export default loader;
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