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Editing: terms.js
/** * External dependencies */ import { groupBy } from 'lodash'; /** * Returns terms in a tree form. * * @param {Array} flatTerms Array of terms in flat format. * * @return {Array} Array of terms in tree format. */ export function buildTermsTree( flatTerms ) { const flatTermsWithParentAndChildren = flatTerms.map( ( term ) => { return { children: [], parent: null, ...term, }; } ); const termsByParent = groupBy( flatTermsWithParentAndChildren, 'parent' ); if ( termsByParent.null && termsByParent.null.length ) { return flatTermsWithParentAndChildren; } const fillWithChildren = ( terms ) => { return terms.map( ( term ) => { const children = termsByParent[ term.id ]; return { ...term, children: children && children.length ? fillWithChildren( children ) : [], }; } ); }; return fillWithChildren( termsByParent[ '0' ] || [] ); }
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