42 lines
1.3 KiB
JavaScript
42 lines
1.3 KiB
JavaScript
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import { errorTransform } from '../../transform/utils/errorTransform.js';
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import { getSafeProperty } from '../../../utils/customs.js';
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export function accessFactory(_ref) {
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var {
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subset
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} = _ref;
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/**
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* Retrieve part of an object:
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*
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* - Retrieve a property from an object
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* - Retrieve a part of a string
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* - Retrieve a matrix subset
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*
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* @param {Object | Array | Matrix | string} object
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* @param {Index} index
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* @return {Object | Array | Matrix | string} Returns the subset
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*/
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return function access(object, index) {
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try {
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if (Array.isArray(object)) {
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return subset(object, index);
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} else if (object && typeof object.subset === 'function') {
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// Matrix
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return object.subset(index);
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} else if (typeof object === 'string') {
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// TODO: move getStringSubset into a separate util file, use that
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return subset(object, index);
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} else if (typeof object === 'object') {
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if (!index.isObjectProperty()) {
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throw new TypeError('Cannot apply a numeric index as object property');
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}
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return getSafeProperty(object, index.getObjectProperty());
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} else {
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throw new TypeError('Cannot apply index: unsupported type of object');
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}
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} catch (err) {
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throw errorTransform(err);
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}
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};
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}
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