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361 lines
10 KiB
361 lines
10 KiB
"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.ArrowFunctionExpression = ArrowFunctionExpression; |
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exports.AssignmentExpression = AssignmentExpression; |
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exports.Binary = Binary; |
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exports.BinaryExpression = BinaryExpression; |
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exports.ClassExpression = ClassExpression; |
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exports.ConditionalExpression = ConditionalExpression; |
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exports.DoExpression = DoExpression; |
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exports.FunctionExpression = FunctionExpression; |
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exports.FunctionTypeAnnotation = FunctionTypeAnnotation; |
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exports.Identifier = Identifier; |
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exports.LogicalExpression = LogicalExpression; |
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exports.NullableTypeAnnotation = NullableTypeAnnotation; |
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exports.ObjectExpression = ObjectExpression; |
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exports.OptionalIndexedAccessType = OptionalIndexedAccessType; |
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exports.OptionalCallExpression = exports.OptionalMemberExpression = OptionalMemberExpression; |
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exports.SequenceExpression = SequenceExpression; |
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exports.TSAsExpression = TSAsExpression; |
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exports.TSInferType = TSInferType; |
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exports.TSInstantiationExpression = TSInstantiationExpression; |
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exports.TSTypeAssertion = TSTypeAssertion; |
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exports.TSIntersectionType = exports.TSUnionType = TSUnionType; |
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exports.UnaryLike = UnaryLike; |
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exports.IntersectionTypeAnnotation = exports.UnionTypeAnnotation = UnionTypeAnnotation; |
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exports.UpdateExpression = UpdateExpression; |
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exports.AwaitExpression = exports.YieldExpression = YieldExpression; |
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var _t = require("@babel/types"); |
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const { |
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isArrayTypeAnnotation, |
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isArrowFunctionExpression, |
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isAssignmentExpression, |
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isAwaitExpression, |
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isBinary, |
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isBinaryExpression, |
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isUpdateExpression, |
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isCallExpression, |
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isClass, |
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isClassExpression, |
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isConditional, |
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isConditionalExpression, |
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isExportDeclaration, |
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isExportDefaultDeclaration, |
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isExpressionStatement, |
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isFor, |
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isForInStatement, |
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isForOfStatement, |
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isForStatement, |
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isFunctionExpression, |
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isIfStatement, |
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isIndexedAccessType, |
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isIntersectionTypeAnnotation, |
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isLogicalExpression, |
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isMemberExpression, |
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isNewExpression, |
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isNullableTypeAnnotation, |
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isObjectPattern, |
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isOptionalCallExpression, |
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isOptionalMemberExpression, |
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isReturnStatement, |
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isSequenceExpression, |
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isSwitchStatement, |
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isTSArrayType, |
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isTSAsExpression, |
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isTSInstantiationExpression, |
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isTSIntersectionType, |
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isTSNonNullExpression, |
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isTSOptionalType, |
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isTSRestType, |
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isTSTypeAssertion, |
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isTSUnionType, |
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isTaggedTemplateExpression, |
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isThrowStatement, |
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isTypeAnnotation, |
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isUnaryLike, |
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isUnionTypeAnnotation, |
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isVariableDeclarator, |
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isWhileStatement, |
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isYieldExpression |
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} = _t; |
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const PRECEDENCE = { |
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"||": 0, |
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"??": 0, |
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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) => isClass(parent, { |
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superClass: node |
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}); |
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const hasPostfixPart = (node, parent) => (isMemberExpression(parent) || isOptionalMemberExpression(parent)) && parent.object === node || (isCallExpression(parent) || isOptionalCallExpression(parent) || isNewExpression(parent)) && parent.callee === node || isTaggedTemplateExpression(parent) && parent.tag === node || isTSNonNullExpression(parent); |
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function NullableTypeAnnotation(node, parent) { |
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return isArrayTypeAnnotation(parent); |
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} |
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function FunctionTypeAnnotation(node, parent, printStack) { |
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return isUnionTypeAnnotation(parent) || isIntersectionTypeAnnotation(parent) || isArrayTypeAnnotation(parent) || isTypeAnnotation(parent) && isArrowFunctionExpression(printStack[printStack.length - 3]); |
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} |
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function UpdateExpression(node, parent) { |
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return hasPostfixPart(node, parent) || isClassExtendsClause(node, parent); |
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} |
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function ObjectExpression(node, parent, printStack) { |
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return isFirstInContext(printStack, { |
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expressionStatement: true, |
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arrowBody: true |
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}); |
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} |
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function DoExpression(node, parent, printStack) { |
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return !node.async && isFirstInContext(printStack, { |
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expressionStatement: true |
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}); |
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} |
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function Binary(node, parent) { |
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if (node.operator === "**" && 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 (hasPostfixPart(node, parent) || isUnaryLike(parent) || isAwaitExpression(parent)) { |
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return true; |
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} |
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if (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 && !isLogicalExpression(parent) || parentPos > nodePos) { |
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return true; |
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} |
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} |
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} |
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function UnionTypeAnnotation(node, parent) { |
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return isArrayTypeAnnotation(parent) || isNullableTypeAnnotation(parent) || isIntersectionTypeAnnotation(parent) || isUnionTypeAnnotation(parent); |
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} |
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function OptionalIndexedAccessType(node, parent) { |
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return isIndexedAccessType(parent, { |
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objectType: node |
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}); |
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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 isTSArrayType(parent) || isTSOptionalType(parent) || isTSIntersectionType(parent) || isTSUnionType(parent) || isTSRestType(parent); |
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} |
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function TSInferType(node, parent) { |
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return isTSArrayType(parent) || isTSOptionalType(parent); |
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} |
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function TSInstantiationExpression(node, parent) { |
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return (isCallExpression(parent) || isOptionalCallExpression(parent) || isNewExpression(parent) || isTSInstantiationExpression(parent)) && !!parent.typeParameters; |
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} |
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function BinaryExpression(node, parent) { |
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return node.operator === "in" && (isVariableDeclarator(parent) || isFor(parent)); |
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} |
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function SequenceExpression(node, parent) { |
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if (isForStatement(parent) || isThrowStatement(parent) || isReturnStatement(parent) || isIfStatement(parent) && parent.test === node || isWhileStatement(parent) && parent.test === node || isForInStatement(parent) && parent.right === node || isSwitchStatement(parent) && parent.discriminant === node || 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 isBinary(parent) || isUnaryLike(parent) || hasPostfixPart(node, parent) || isAwaitExpression(parent) && isYieldExpression(node) || 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 isFirstInContext(printStack, { |
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expressionStatement: true, |
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exportDefault: true |
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}); |
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} |
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function UnaryLike(node, parent) { |
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return hasPostfixPart(node, parent) || 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 isFirstInContext(printStack, { |
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expressionStatement: true, |
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exportDefault: true |
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}); |
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} |
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function ArrowFunctionExpression(node, parent) { |
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return isExportDeclaration(parent) || ConditionalExpression(node, parent); |
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} |
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function ConditionalExpression(node, parent) { |
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if (isUnaryLike(parent) || isBinary(parent) || isConditionalExpression(parent, { |
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test: node |
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}) || isAwaitExpression(parent) || isTSTypeAssertion(parent) || 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 isCallExpression(parent, { |
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callee: node |
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}) || isMemberExpression(parent, { |
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object: node |
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}); |
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} |
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function AssignmentExpression(node, parent) { |
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if (isObjectPattern(node.left)) { |
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return true; |
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} else { |
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return ConditionalExpression(node, parent); |
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} |
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} |
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function LogicalExpression(node, parent) { |
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switch (node.operator) { |
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case "||": |
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if (!isLogicalExpression(parent)) return false; |
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return parent.operator === "??" || parent.operator === "&&"; |
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case "&&": |
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return isLogicalExpression(parent, { |
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operator: "??" |
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}); |
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case "??": |
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return isLogicalExpression(parent) && parent.operator !== "??"; |
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} |
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} |
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function Identifier(node, parent, printStack) { |
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var _node$extra; |
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if ((_node$extra = node.extra) != null && _node$extra.parenthesized && isAssignmentExpression(parent, { |
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left: node |
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}) && (isFunctionExpression(parent.right) || isClassExpression(parent.right)) && parent.right.id == null) { |
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return true; |
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} |
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if (node.name === "let") { |
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const isFollowedByBracket = isMemberExpression(parent, { |
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object: node, |
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computed: true |
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}) || isOptionalMemberExpression(parent, { |
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object: node, |
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computed: true, |
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optional: false |
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}); |
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return isFirstInContext(printStack, { |
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expressionStatement: isFollowedByBracket, |
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forHead: isFollowedByBracket, |
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forInHead: isFollowedByBracket, |
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forOfHead: true |
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}); |
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} |
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return node.name === "async" && isForOfStatement(parent) && node === parent.left; |
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} |
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function isFirstInContext(printStack, { |
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expressionStatement = false, |
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arrowBody = false, |
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exportDefault = false, |
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forHead = false, |
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forInHead = false, |
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forOfHead = 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 (expressionStatement && isExpressionStatement(parent, { |
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expression: node |
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}) || exportDefault && isExportDefaultDeclaration(parent, { |
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declaration: node |
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}) || arrowBody && isArrowFunctionExpression(parent, { |
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body: node |
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}) || forHead && isForStatement(parent, { |
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init: node |
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}) || forInHead && isForInStatement(parent, { |
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left: node |
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}) || forOfHead && isForOfStatement(parent, { |
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left: node |
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})) { |
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return true; |
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} |
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if (hasPostfixPart(node, parent) && !isNewExpression(parent) || isSequenceExpression(parent) && parent.expressions[0] === node || isUpdateExpression(parent) && !parent.prefix || isConditional(parent, { |
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test: node |
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}) || isBinary(parent, { |
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left: node |
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}) || 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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} |