{"version":3,"names":["FLIPPED_ALIAS_KEYS","isArrayExpression","isAssignmentExpression","isBinary","isBlockStatement","isCallExpression","isFunction","isIdentifier","isLiteral","isMemberExpression","isObjectExpression","isOptionalCallExpression","isOptionalMemberExpression","isStringLiteral","crawlInternal","node","state","object","computed","property","left","right","hasCall","callee","hasFunction","hasHelper","isHelper","crawl","name","charCodeAt","isType","nodes","AssignmentExpression","SwitchCase","parent","consequent","length","cases","LogicalExpression","Literal","value","CallExpression","OptionalCallExpression","VariableDeclaration","i","declarations","declar","enabled","id","init","IfStatement","ObjectProperty","ObjectTypeProperty","ObjectMethod","properties","ObjectTypeCallProperty","callProperties","ObjectTypeIndexer","indexers","ObjectTypeInternalSlot","internalSlots","forEach","type","amounts","concat","ret"],"sources":["../../src/node/whitespace.ts"],"sourcesContent":["import {\n  FLIPPED_ALIAS_KEYS,\n  isArrayExpression,\n  isAssignmentExpression,\n  isBinary,\n  isBlockStatement,\n  isCallExpression,\n  isFunction,\n  isIdentifier,\n  isLiteral,\n  isMemberExpression,\n  isObjectExpression,\n  isOptionalCallExpression,\n  isOptionalMemberExpression,\n  isStringLiteral,\n} from \"@babel/types\";\nimport * as charCodes from \"charcodes\";\n\nimport type { NodeHandlers } from \"./index\";\n\nimport type * as t from \"@babel/types\";\n\nconst enum WhitespaceFlag {\n  before = 1 << 0,\n  after = 1 << 1,\n}\n\nexport type { WhitespaceFlag };\n\nfunction crawlInternal(\n  node: t.Node,\n  state: { hasCall: boolean; hasFunction: boolean; hasHelper: boolean },\n) {\n  if (!node) return state;\n\n  if (isMemberExpression(node) || isOptionalMemberExpression(node)) {\n    crawlInternal(node.object, state);\n    if (node.computed) crawlInternal(node.property, state);\n  } else if (isBinary(node) || isAssignmentExpression(node)) {\n    crawlInternal(node.left, state);\n    crawlInternal(node.right, state);\n  } else if (isCallExpression(node) || isOptionalCallExpression(node)) {\n    state.hasCall = true;\n    crawlInternal(node.callee, state);\n  } else if (isFunction(node)) {\n    state.hasFunction = true;\n  } else if (isIdentifier(node)) {\n    state.hasHelper =\n      // @ts-expect-error todo(flow->ts): node.callee is not really expected here…\n      state.hasHelper || (node.callee && isHelper(node.callee));\n  }\n\n  return state;\n}\n\n/**\n * Crawl a node to test if it contains a CallExpression, a Function, or a Helper.\n *\n * @example\n * crawl(node)\n * // { hasCall: false, hasFunction: true, hasHelper: false }\n */\n\nfunction crawl(node: t.Node) {\n  return crawlInternal(node, {\n    hasCall: false,\n    hasFunction: false,\n    hasHelper: false,\n  });\n}\n\n/**\n * Test if a node is or has a helper.\n */\n\nfunction isHelper(node: t.Node): boolean {\n  if (!node) return false;\n\n  if (isMemberExpression(node)) {\n    return isHelper(node.object) || isHelper(node.property);\n  } else if (isIdentifier(node)) {\n    return (\n      node.name === \"require\" ||\n      node.name.charCodeAt(0) === charCodes.underscore\n    );\n  } else if (isCallExpression(node)) {\n    return isHelper(node.callee);\n  } else if (isBinary(node) || isAssignmentExpression(node)) {\n    return (\n      (isIdentifier(node.left) && isHelper(node.left)) || isHelper(node.right)\n    );\n  } else {\n    return false;\n  }\n}\n\nfunction isType(node: t.Node) {\n  return (\n    isLiteral(node) ||\n    isObjectExpression(node) ||\n    isArrayExpression(node) ||\n    isIdentifier(node) ||\n    isMemberExpression(node)\n  );\n}\n\n/**\n * Tests for node types that need whitespace.\n */\n\nexport const nodes: NodeHandlers<WhitespaceFlag> = {\n  /**\n   * Test if AssignmentExpression needs whitespace.\n   */\n\n  AssignmentExpression(node: t.AssignmentExpression): WhitespaceFlag {\n    const state = crawl(node.right);\n    if ((state.hasCall && state.hasHelper) || state.hasFunction) {\n      return state.hasFunction\n        ? WhitespaceFlag.before | WhitespaceFlag.after\n        : WhitespaceFlag.after;\n    }\n  },\n\n  /**\n   * Test if SwitchCase needs whitespace.\n   */\n\n  SwitchCase(node: t.SwitchCase, parent: t.SwitchStatement): WhitespaceFlag {\n    return (\n      (!!node.consequent.length || parent.cases[0] === node\n        ? WhitespaceFlag.before\n        : 0) |\n      (!node.consequent.length && parent.cases[parent.cases.length - 1] === node\n        ? WhitespaceFlag.after\n        : 0)\n    );\n  },\n\n  /**\n   * Test if LogicalExpression needs whitespace.\n   */\n\n  LogicalExpression(node: t.LogicalExpression): WhitespaceFlag {\n    if (isFunction(node.left) || isFunction(node.right)) {\n      return WhitespaceFlag.after;\n    }\n  },\n\n  /**\n   * Test if Literal needs whitespace.\n   */\n\n  Literal(node: t.Literal): WhitespaceFlag {\n    if (isStringLiteral(node) && node.value === \"use strict\") {\n      return WhitespaceFlag.after;\n    }\n  },\n\n  /**\n   * Test if CallExpressionish needs whitespace.\n   */\n\n  CallExpression(node: t.CallExpression): WhitespaceFlag {\n    if (isFunction(node.callee) || isHelper(node)) {\n      return WhitespaceFlag.before | WhitespaceFlag.after;\n    }\n  },\n\n  OptionalCallExpression(node: t.OptionalCallExpression): WhitespaceFlag {\n    if (isFunction(node.callee)) {\n      return WhitespaceFlag.before | WhitespaceFlag.after;\n    }\n  },\n\n  /**\n   * Test if VariableDeclaration needs whitespace.\n   */\n\n  VariableDeclaration(node: t.VariableDeclaration): WhitespaceFlag {\n    for (let i = 0; i < node.declarations.length; i++) {\n      const declar = node.declarations[i];\n\n      let enabled = isHelper(declar.id) && !isType(declar.init);\n      if (!enabled && declar.init) {\n        const state = crawl(declar.init);\n        enabled = (isHelper(declar.init) && state.hasCall) || state.hasFunction;\n      }\n\n      if (enabled) {\n        return WhitespaceFlag.before | WhitespaceFlag.after;\n      }\n    }\n  },\n\n  /**\n   * Test if IfStatement needs whitespace.\n   */\n\n  IfStatement(node: t.IfStatement): WhitespaceFlag {\n    if (isBlockStatement(node.consequent)) {\n      return WhitespaceFlag.before | WhitespaceFlag.after;\n    }\n  },\n};\n\n/**\n * Test if Property needs whitespace.\n */\n\nnodes.ObjectProperty =\n  nodes.ObjectTypeProperty =\n  nodes.ObjectMethod =\n    function (\n      node: t.ObjectProperty | t.ObjectTypeProperty | t.ObjectMethod,\n      parent: t.ObjectExpression,\n    ): WhitespaceFlag {\n      if (parent.properties[0] === node) {\n        return WhitespaceFlag.before;\n      }\n    };\n\nnodes.ObjectTypeCallProperty = function (\n  node: t.ObjectTypeCallProperty,\n  parent: t.ObjectTypeAnnotation,\n): WhitespaceFlag {\n  if (parent.callProperties[0] === node && !parent.properties?.length) {\n    return WhitespaceFlag.before;\n  }\n};\n\nnodes.ObjectTypeIndexer = function (\n  node: t.ObjectTypeIndexer,\n  parent: t.ObjectTypeAnnotation,\n): WhitespaceFlag {\n  if (\n    parent.indexers[0] === node &&\n    !parent.properties?.length &&\n    !parent.callProperties?.length\n  ) {\n    return WhitespaceFlag.before;\n  }\n};\n\nnodes.ObjectTypeInternalSlot = function (\n  node: t.ObjectTypeInternalSlot,\n  parent: t.ObjectTypeAnnotation,\n): WhitespaceFlag {\n  if (\n    parent.internalSlots[0] === node &&\n    !parent.properties?.length &&\n    !parent.callProperties?.length &&\n    !parent.indexers?.length\n  ) {\n    return WhitespaceFlag.before;\n  }\n};\n\n/**\n * Add whitespace tests for nodes and their aliases.\n */\n\n(\n  [\n    [\"Function\", true],\n    [\"Class\", true],\n    [\"Loop\", true],\n    [\"LabeledStatement\", true],\n    [\"SwitchStatement\", true],\n    [\"TryStatement\", true],\n  ] as const\n).forEach(function ([type, amounts]) {\n  [type as string]\n    .concat(FLIPPED_ALIAS_KEYS[type] || [])\n    .forEach(function (type) {\n      const ret = amounts ? WhitespaceFlag.before | WhitespaceFlag.after : 0;\n      nodes[type] = () => ret;\n    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