{
  "version": 3,
  "sources": ["../../src/query-controls/terms.ts"],
  "sourcesContent": ["/**\n * Internal dependencies\n */\n\nconst ensureParentsAreDefined = terms => {\n  return terms.every(term => term.parent !== null);\n};\n/**\n * Returns terms in a tree form.\n *\n * @param flatTerms Array of terms in flat format.\n *\n * @return Terms in tree format.\n */\nexport function buildTermsTree(flatTerms) {\n  const flatTermsWithParentAndChildren = flatTerms.map(term => ({\n    children: [],\n    parent: null,\n    ...term,\n    id: String(term.id)\n  }));\n\n  // We use a custom type guard here to ensure that the parent property is\n  // defined on all terms. The type of the `parent` property is `number | null`\n  // and we need to ensure that it is `number`. This is because we use the\n  // `parent` property as a key in the `termsByParent` object.\n  if (!ensureParentsAreDefined(flatTermsWithParentAndChildren)) {\n    return flatTermsWithParentAndChildren;\n  }\n  const termsByParent = flatTermsWithParentAndChildren.reduce((acc, term) => {\n    const {\n      parent\n    } = term;\n    if (!acc[parent]) {\n      acc[parent] = [];\n    }\n    acc[parent].push(term);\n    return acc;\n  }, {});\n  const fillWithChildren = terms => {\n    return terms.map(term => {\n      const children = termsByParent[term.id];\n      return {\n        ...term,\n        children: children && children.length ? fillWithChildren(children) : []\n      };\n    });\n  };\n  return fillWithChildren(termsByParent['0'] || []);\n}"],
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