graphql/jsutils/Path.mjs.map

A Query Language and Runtime which can target any service.

{"version":3,"file":"Path.js","sourceRoot":"","sources":["../../src/jsutils/Path.ts"],"names":[],"mappings":"AAmBA,MAAM,UAAU,OAAO,CACrB,IAAgC,EAChC,GAAoB,EACpB,QAA4B;IAE5B,OAAO,EAAE,IAAI,EAAE,GAAG,EAAE,QAAQ,EAAE,CAAC;AACjC,CAAC;AA4BD,MAAM,UAAU,WAAW,CACzB,IAA2B;IAE3B,MAAM,SAAS,GAAG,EAAE,CAAC;IACrB,IAAI,IAAI,GAAG,IAAI,CAAC;IAChB,OAAO,IAAI,EAAE,CAAC;QACZ,SAAS,CAAC,IAAI,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC;QACzB,IAAI,GAAG,IAAI,CAAC,IAAI,CAAC;IACnB,CAAC;IACD,OAAO,SAAS,CAAC,OAAO,EAAE,CAAC;AAC7B,CAAC","sourcesContent":["/** @category Paths */\n\nimport type { Maybe } from './Maybe.ts';\n\n/** Represents a linked response path from a field back to the root response. */\nexport interface Path {\n  /** The previous segment in the linked response path, or undefined at the root. */\n  readonly prev: Path | undefined;\n  /** The field name or list index for this response path segment. */\n  readonly key: string | number;\n  /** The runtime object type name associated with this path segment, if known. */\n  readonly typename: string | undefined;\n}\n\n/**\n * Given a Path and a key, return a new Path containing the new key.\n *\n * @internal\n */\nexport function addPath(\n  prev: Readonly<Path> | undefined,\n  key: string | number,\n  typename: string | undefined,\n): Path {\n  return { prev, key, typename };\n}\n\n/**\n * Given a Path, return an Array of the path keys.\n * @param path - The linked response path to flatten.\n * @returns An array of response path keys from root to leaf.\n * @example\n * ```ts\n * import { pathToArray } from 'graphql/jsutils/Path';\n *\n * const path = {\n *   prev: {\n *     prev: {\n *       prev: undefined,\n *       key: 'viewer',\n *       typename: 'Query',\n *     },\n *     key: 'friends',\n *     typename: 'User',\n *   },\n *   key: 0,\n *   typename: undefined,\n * };\n *\n * pathToArray(path); // => ['viewer', 'friends', 0]\n * pathToArray(undefined); // => []\n * ```\n */\nexport function pathToArray(\n  path: Maybe<Readonly<Path>>,\n): Array<string | number> {\n  const flattened = [];\n  let curr = path;\n  while (curr) {\n    flattened.push(curr.key);\n    curr = curr.prev;\n  }\n  return flattened.reverse();\n}\n"]}