42 lines
1.7 KiB
JavaScript
42 lines
1.7 KiB
JavaScript
import { useState, useEffect } from 'react';
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import { env } from './env';
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var cache = new WeakMap();
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var NO_OPTIONS = {};
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export function useSidecar(importer, effect) {
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var options = (effect && effect.options) || NO_OPTIONS;
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if (env.isNode && !options.ssr) {
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return [null, null];
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}
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// eslint-disable-next-line react-hooks/rules-of-hooks
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return useRealSidecar(importer, effect);
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}
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function useRealSidecar(importer, effect) {
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var options = (effect && effect.options) || NO_OPTIONS;
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var couldUseCache = env.forceCache || (env.isNode && !!options.ssr) || !options.async;
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var _a = useState(couldUseCache ? function () { return cache.get(importer); } : undefined), Car = _a[0], setCar = _a[1];
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var _b = useState(null), error = _b[0], setError = _b[1];
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useEffect(function () {
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if (!Car) {
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importer().then(function (car) {
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var resolved = effect ? effect.read() : car.default || car;
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if (!resolved) {
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console.error('Sidecar error: with importer', importer);
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var error_1;
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if (effect) {
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console.error('Sidecar error: with medium', effect);
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error_1 = new Error('Sidecar medium was not found');
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}
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else {
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error_1 = new Error('Sidecar was not found in exports');
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}
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setError(function () { return error_1; });
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throw error_1;
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}
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cache.set(importer, resolved);
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setCar(function () { return resolved; });
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}, function (e) { return setError(function () { return e; }); });
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}
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}, []);
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return [Car, error];
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}
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