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{"version":3,"names":["BOOLEAN_BINARY_OPERATORS","BOOLEAN_UNARY_OPERATORS","NUMBER_BINARY_OPERATORS","NUMBER_UNARY_OPERATORS","STRING_UNARY_OPERATORS","anyTypeAnnotation","arrayTypeAnnotation","booleanTypeAnnotation","buildMatchMemberExpression","genericTypeAnnotation","identifier","nullLiteralTypeAnnotation","numberTypeAnnotation","stringTypeAnnotation","tupleTypeAnnotation","unionTypeAnnotation","voidTypeAnnotation","isIdentifier","VariableDeclarator","get","getTypeAnnotation","TypeCastExpression","node","typeAnnotation","validParent","TSAsExpression","TSNonNullExpression","NewExpression","callee","type","TemplateLiteral","UnaryExpression","operator","indexOf","BinaryExpression","right","left","isBaseType","LogicalExpression","argumentTypes","createUnionType","ConditionalExpression","SequenceExpression","pop","ParenthesizedExpression","AssignmentExpression","UpdateExpression","StringLiteral","NumericLiteral","BooleanLiteral","NullLiteral","RegExpLiteral","ObjectExpression","ArrayExpression","RestElement","Func","isArrayFrom","isObjectKeys","isObjectValues","isObjectEntries","CallExpression","name","resolveCall","TaggedTemplateExpression","resolve","isFunction","async","generator","returnType"],"sources":["../../../src/path/inference/inferers.ts"],"sourcesContent":["import {\n  BOOLEAN_BINARY_OPERATORS,\n  BOOLEAN_UNARY_OPERATORS,\n  NUMBER_BINARY_OPERATORS,\n  NUMBER_UNARY_OPERATORS,\n  STRING_UNARY_OPERATORS,\n  anyTypeAnnotation,\n  arrayTypeAnnotation,\n  booleanTypeAnnotation,\n  buildMatchMemberExpression,\n  genericTypeAnnotation,\n  identifier,\n  nullLiteralTypeAnnotation,\n  numberTypeAnnotation,\n  stringTypeAnnotation,\n  tupleTypeAnnotation,\n  unionTypeAnnotation,\n  voidTypeAnnotation,\n  isIdentifier,\n} from \"@babel/types\";\nimport type * as t from \"@babel/types\";\n\nexport { default as Identifier } from \"./inferer-reference\";\n\nimport { createUnionType } from \"./util\";\nimport type NodePath from \"..\";\n\nexport function VariableDeclarator(this: NodePath<t.VariableDeclarator>) {\n  if (!this.get(\"id\").isIdentifier()) return;\n  return this.get(\"init\").getTypeAnnotation();\n}\n\nexport function TypeCastExpression(node: t.TypeCastExpression) {\n  return node.typeAnnotation;\n}\n\nTypeCastExpression.validParent = true;\n\nexport function TSAsExpression(node: t.TSAsExpression) {\n  return node.typeAnnotation;\n}\n\nTSAsExpression.validParent = true;\n\nexport function TSNonNullExpression(this: NodePath<t.TSNonNullExpression>) {\n  return this.get(\"expression\").getTypeAnnotation();\n}\n\nexport function NewExpression(\n  this: NodePath<t.NewExpression>,\n  node: t.NewExpression,\n) {\n  if (node.callee.type === \"Identifier\") {\n    // only resolve identifier callee\n    return genericTypeAnnotation(node.callee);\n  }\n}\n\nexport function TemplateLiteral() {\n  return stringTypeAnnotation();\n}\n\nexport function UnaryExpression(node: t.UnaryExpression) {\n  const operator = node.operator;\n\n  if (operator === \"void\") {\n    return voidTypeAnnotation();\n  } else if (NUMBER_UNARY_OPERATORS.indexOf(operator) >= 0) {\n    return numberTypeAnnotation();\n  } else if (STRING_UNARY_OPERATORS.indexOf(operator) >= 0) {\n    return stringTypeAnnotation();\n  } else if (BOOLEAN_UNARY_OPERATORS.indexOf(operator) >= 0) {\n    return booleanTypeAnnotation();\n  }\n}\n\nexport function BinaryExpression(\n  this: NodePath<t.BinaryExpression>,\n  node: t.BinaryExpression,\n) {\n  const operator = node.operator;\n\n  if (NUMBER_BINARY_OPERATORS.indexOf(operator) >= 0) {\n    return numberTypeAnnotation();\n  } else if (BOOLEAN_BINARY_OPERATORS.indexOf(operator) >= 0) {\n    return booleanTypeAnnotation();\n  } else if (operator === \"+\") {\n    const right = this.get(\"right\");\n    const left = this.get(\"left\");\n\n    if (left.isBaseType(\"number\") && right.isBaseType(\"number\")) {\n      // both numbers so this will be a number\n      return numberTypeAnnotation();\n    } else if (left.isBaseType(\"string\") || right.isBaseType(\"string\")) {\n      // one is a string so the result will be a string\n      return stringTypeAnnotation();\n    }\n\n    // unsure if left and right are strings or numbers so stay on the safe side\n    return unionTypeAnnotation([\n      stringTypeAnnotation(),\n      numberTypeAnnotation(),\n    ]);\n  }\n}\n\nexport function LogicalExpression(this: NodePath<t.LogicalExpression>) {\n  const argumentTypes = [\n    this.get(\"left\").getTypeAnnotation(),\n    this.get(\"right\").getTypeAnnotation(),\n  ];\n\n  return createUnionType(argumentTypes);\n}\n\nexport function ConditionalExpression(this: NodePath<t.ConditionalExpression>) {\n  const argumentTypes = [\n    this.get(\"consequent\").getTypeAnnotation(),\n    this.get(\"alternate\").getTypeAnnotation(),\n  ];\n\n  return createUnionType(argumentTypes);\n}\n\nexport function SequenceExpression(this: NodePath<t.SequenceExpression>) {\n  return this.get(\"expressions\").pop().getTypeAnnotation();\n}\n\nexport function ParenthesizedExpression(\n  this: NodePath<t.ParenthesizedExpression>,\n) {\n  return this.get(\"expression\").getTypeAnnotation();\n}\n\nexport function AssignmentExpression(this: NodePath<t.AssignmentExpression>) {\n  return this.get(\"right\").getTypeAnnotation();\n}\n\nexport function UpdateExpression(\n  this: NodePath<t.UpdateExpression>,\n  node: t.UpdateExpression,\n) {\n  const operator = node.operator;\n  if (operator === \"++\" || operator === \"--\") {\n    return numberTypeAnnotation();\n  }\n}\n\nexport function StringLiteral() {\n  return stringTypeAnnotation();\n}\n\nexport function NumericLiteral() {\n  return numberTypeAnnotation();\n}\n\nexport function BooleanLiteral() {\n  return booleanTypeAnnotation();\n}\n\nexport function NullLiteral() {\n  return nullLiteralTypeAnnotation();\n}\n\nexport function RegExpLiteral() {\n  return genericTypeAnnotation(identifier(\"RegExp\"));\n}\n\nexport function ObjectExpression() {\n  return genericTypeAnnotation(identifier(\"Object\"));\n}\n\nexport function ArrayExpression() {\n  return genericTypeAnnotation(identifier(\"Array\"));\n}\n\nexport function RestElement() {\n  return ArrayExpression();\n}\n\nRestElement.validParent = true;\n\nfunction Func() {\n  return genericTypeAnnotation(identifier(\"Function\"));\n}\n\nexport {\n  Func as FunctionExpression,\n  Func as ArrowFunctionExpression,\n  Func as FunctionDeclaration,\n  Func as ClassExpression,\n  Func as ClassDeclaration,\n};\n\nconst isArrayFrom = buildMatchMemberExpression(\"Array.from\");\nconst isObjectKeys = buildMatchMemberExpression(\"Object.keys\");\nconst isObjectValues = buildMatchMemberExpression(\"Object.values\");\nconst isObjectEntries = buildMatchMemberExpression(\"Object.entries\");\nexport function CallExpression(this: NodePath<t.CallExpression>) {\n  const { callee } = this.node;\n  if (isObjectKeys(callee)) {\n    return arrayTypeAnnotation(stringTypeAnnotation());\n  } else if (\n    isArrayFrom(callee) ||\n    isObjectValues(callee) ||\n    // Detect \"var foo = Array()\" calls so we can optimize for arrays vs iterables.\n    isIdentifier(callee, { name: \"Array\" })\n  ) {\n    return arrayTypeAnnotation(anyTypeAnnotation());\n  } else if (isObjectEntries(callee)) {\n    return arrayTypeAnnotation(\n      tupleTypeAnnotation([stringTypeAnnotation(), anyTypeAnnotation()]),\n    );\n  }\n\n  return resolveCall(this.get(\"callee\"));\n}\n\nexport function TaggedTemplateExpression(\n  this: NodePath<t.TaggedTemplateExpression>,\n) {\n  return resolveCall(this.get(\"tag\"));\n}\n\nfunction resolveCall(callee: NodePath) {\n  callee = callee.resolve();\n\n  if (callee.isFunction()) {\n    const { node } = callee;\n    if (node.async) {\n      if (node.generator) {\n        return genericTypeAnnotation(identifier(\"AsyncIterator\"));\n      } else {\n        return genericTypeAnnotation(identifier(\"Promise\"));\n      }\n    } else {\n      if (node.generator) {\n        return genericTypeAnnotation(identifier(\"Iterator\"));\n      } else if (callee.node.returnType) {\n        return callee.node.returnType;\n      } else {\n        // todo: get union type of all return arguments\n      }\n    }\n  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