253 lines
		
	
	
		
			7.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			253 lines
		
	
	
		
			7.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
"use strict";
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Object.defineProperty(exports, "__esModule", {
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  value: true
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});
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exports.NullableTypeAnnotation = NullableTypeAnnotation;
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exports.FunctionTypeAnnotation = FunctionTypeAnnotation;
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exports.UpdateExpression = UpdateExpression;
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exports.ObjectExpression = ObjectExpression;
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exports.DoExpression = DoExpression;
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exports.Binary = Binary;
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exports.IntersectionTypeAnnotation = exports.UnionTypeAnnotation = UnionTypeAnnotation;
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exports.TSAsExpression = TSAsExpression;
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exports.TSTypeAssertion = TSTypeAssertion;
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exports.TSIntersectionType = exports.TSUnionType = TSUnionType;
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exports.BinaryExpression = BinaryExpression;
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exports.SequenceExpression = SequenceExpression;
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exports.AwaitExpression = exports.YieldExpression = YieldExpression;
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exports.ClassExpression = ClassExpression;
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exports.UnaryLike = UnaryLike;
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exports.FunctionExpression = FunctionExpression;
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exports.ArrowFunctionExpression = ArrowFunctionExpression;
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exports.ConditionalExpression = ConditionalExpression;
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exports.OptionalMemberExpression = OptionalMemberExpression;
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exports.AssignmentExpression = AssignmentExpression;
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exports.NewExpression = NewExpression;
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function t() {
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  const data = _interopRequireWildcard(require("@babel/types"));
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  t = function () {
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    return data;
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  };
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  return data;
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}
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function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
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const PRECEDENCE = {
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  "||": 0,
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  "&&": 1,
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  "|": 2,
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  "^": 3,
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  "&": 4,
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  "==": 5,
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  "===": 5,
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  "!=": 5,
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  "!==": 5,
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  "<": 6,
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  ">": 6,
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  "<=": 6,
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  ">=": 6,
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  in: 6,
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  instanceof: 6,
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  ">>": 7,
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  "<<": 7,
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  ">>>": 7,
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  "+": 8,
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  "-": 8,
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  "*": 9,
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  "/": 9,
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  "%": 9,
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  "**": 10
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};
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const isClassExtendsClause = (node, parent) => (t().isClassDeclaration(parent) || t().isClassExpression(parent)) && parent.superClass === node;
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function NullableTypeAnnotation(node, parent) {
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  return t().isArrayTypeAnnotation(parent);
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}
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function FunctionTypeAnnotation(node, parent) {
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  return t().isUnionTypeAnnotation(parent) || t().isIntersectionTypeAnnotation(parent) || t().isArrayTypeAnnotation(parent);
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}
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function UpdateExpression(node, parent) {
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  return t().isMemberExpression(parent, {
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    object: node
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  }) || t().isCallExpression(parent, {
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    callee: node
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  }) || t().isNewExpression(parent, {
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    callee: node
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  }) || isClassExtendsClause(node, parent);
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}
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function ObjectExpression(node, parent, printStack) {
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  return isFirstInStatement(printStack, {
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    considerArrow: true
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  });
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}
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function DoExpression(node, parent, printStack) {
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  return isFirstInStatement(printStack);
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}
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function Binary(node, parent) {
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  if (node.operator === "**" && t().isBinaryExpression(parent, {
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    operator: "**"
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  })) {
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    return parent.left === node;
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  }
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  if (isClassExtendsClause(node, parent)) {
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    return true;
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  }
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  if ((t().isCallExpression(parent) || t().isNewExpression(parent)) && parent.callee === node || t().isUnaryLike(parent) || t().isMemberExpression(parent) && parent.object === node || t().isAwaitExpression(parent)) {
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    return true;
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  }
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  if (t().isBinary(parent)) {
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    const parentOp = parent.operator;
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    const parentPos = PRECEDENCE[parentOp];
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    const nodeOp = node.operator;
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    const nodePos = PRECEDENCE[nodeOp];
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    if (parentPos === nodePos && parent.right === node && !t().isLogicalExpression(parent) || parentPos > nodePos) {
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      return true;
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    }
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  }
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  return false;
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}
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function UnionTypeAnnotation(node, parent) {
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  return t().isArrayTypeAnnotation(parent) || t().isNullableTypeAnnotation(parent) || t().isIntersectionTypeAnnotation(parent) || t().isUnionTypeAnnotation(parent);
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}
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function TSAsExpression() {
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  return true;
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}
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function TSTypeAssertion() {
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  return true;
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}
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function TSUnionType(node, parent) {
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  return t().isTSArrayType(parent) || t().isTSOptionalType(parent) || t().isTSIntersectionType(parent) || t().isTSUnionType(parent) || t().isTSRestType(parent);
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}
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function BinaryExpression(node, parent) {
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  return node.operator === "in" && (t().isVariableDeclarator(parent) || t().isFor(parent));
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}
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function SequenceExpression(node, parent) {
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  if (t().isForStatement(parent) || t().isThrowStatement(parent) || t().isReturnStatement(parent) || t().isIfStatement(parent) && parent.test === node || t().isWhileStatement(parent) && parent.test === node || t().isForInStatement(parent) && parent.right === node || t().isSwitchStatement(parent) && parent.discriminant === node || t().isExpressionStatement(parent) && parent.expression === node) {
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    return false;
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  }
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  return true;
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}
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function YieldExpression(node, parent) {
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  return t().isBinary(parent) || t().isUnaryLike(parent) || t().isCallExpression(parent) || t().isMemberExpression(parent) || t().isNewExpression(parent) || t().isAwaitExpression(parent) && t().isYieldExpression(node) || t().isConditionalExpression(parent) && node === parent.test || isClassExtendsClause(node, parent);
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}
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function ClassExpression(node, parent, printStack) {
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  return isFirstInStatement(printStack, {
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    considerDefaultExports: true
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  });
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}
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function UnaryLike(node, parent) {
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  return t().isMemberExpression(parent, {
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    object: node
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  }) || t().isCallExpression(parent, {
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    callee: node
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  }) || t().isNewExpression(parent, {
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    callee: node
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  }) || t().isBinaryExpression(parent, {
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    operator: "**",
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    left: node
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  }) || isClassExtendsClause(node, parent);
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}
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function FunctionExpression(node, parent, printStack) {
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  return isFirstInStatement(printStack, {
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    considerDefaultExports: true
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  });
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}
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function ArrowFunctionExpression(node, parent) {
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  return t().isExportDeclaration(parent) || ConditionalExpression(node, parent);
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}
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function ConditionalExpression(node, parent) {
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  if (t().isUnaryLike(parent) || t().isBinary(parent) || t().isConditionalExpression(parent, {
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    test: node
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  }) || t().isAwaitExpression(parent) || t().isOptionalMemberExpression(parent) || t().isTaggedTemplateExpression(parent) || t().isTSTypeAssertion(parent) || t().isTSAsExpression(parent)) {
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    return true;
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  }
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  return UnaryLike(node, parent);
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}
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function OptionalMemberExpression(node, parent) {
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  return t().isCallExpression(parent) || t().isMemberExpression(parent);
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}
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function AssignmentExpression(node) {
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  if (t().isObjectPattern(node.left)) {
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    return true;
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  } else {
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    return ConditionalExpression(...arguments);
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  }
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}
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function NewExpression(node, parent) {
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  return isClassExtendsClause(node, parent);
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}
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function isFirstInStatement(printStack, {
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  considerArrow = false,
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  considerDefaultExports = false
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} = {}) {
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  let i = printStack.length - 1;
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  let node = printStack[i];
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  i--;
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  let parent = printStack[i];
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  while (i > 0) {
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    if (t().isExpressionStatement(parent, {
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      expression: node
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    }) || t().isTaggedTemplateExpression(parent) || considerDefaultExports && t().isExportDefaultDeclaration(parent, {
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      declaration: node
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    }) || considerArrow && t().isArrowFunctionExpression(parent, {
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      body: node
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    })) {
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      return true;
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    }
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    if (t().isCallExpression(parent, {
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      callee: node
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    }) || t().isSequenceExpression(parent) && parent.expressions[0] === node || t().isMemberExpression(parent, {
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      object: node
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    }) || t().isConditional(parent, {
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      test: node
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    }) || t().isBinary(parent, {
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      left: node
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    }) || t().isAssignmentExpression(parent, {
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      left: node
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    })) {
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      node = parent;
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      i--;
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      parent = printStack[i];
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    } else {
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      return false;
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    }
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  }
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  return false;
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} |