@angular-redux/store
Version:
Angular bindings for Redux
31 lines • 2.57 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
/**
* Gets a deeply-nested property value from an object, given a 'path'
* of property names or array indices.
*
* @hidden
* @param {?} v
* @param {?} pathElems
* @return {?}
*/
export function getIn(v, pathElems) {
if (!v) {
return v;
}
// If this is an ImmutableJS structure, use existing getIn function
if ('function' === typeof v.getIn) {
return v.getIn(pathElems);
}
const [firstElem, ...restElems] = pathElems;
if (undefined === v[firstElem]) {
return undefined;
}
if (restElems.length === 0) {
return v[firstElem];
}
return getIn(v[firstElem], restElems);
}
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