21 lines
806 B
JavaScript
21 lines
806 B
JavaScript
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import { map, mapValues, merge } from 'lodash-es';
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export function buildSelectors(localSelectors, splatSelector = {}, subduxes = {}) {
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const subSelectors = map(subduxes, ({ selectors }, slice) => {
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if (!selectors)
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return {};
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if (slice === '*')
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return {};
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return mapValues(selectors, (func) => (state) => func(state[slice]));
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});
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let splat = {};
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for (const name in splatSelector) {
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splat[name] =
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(state) => (...args) => {
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const value = splatSelector[name](state)(...args);
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const res = () => value;
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return merge(res, mapValues(subduxes['*'].selectors, (selector) => () => selector(value)));
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};
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}
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return merge({}, ...subSelectors, localSelectors, splat);
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}
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