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				4.8 KiB
			
		
		
			
		
	
	
					161 lines
				
				4.8 KiB
			| 
											3 years ago
										 | "use strict"; | ||
|  | 
 | ||
|  | Object.defineProperty(exports, "__esModule", { | ||
|  |   value: true | ||
|  | }); | ||
|  | exports.nodes = void 0; | ||
|  | var _t = require("@babel/types"); | ||
|  | const { | ||
|  |   FLIPPED_ALIAS_KEYS, | ||
|  |   isArrayExpression, | ||
|  |   isAssignmentExpression, | ||
|  |   isBinary, | ||
|  |   isBlockStatement, | ||
|  |   isCallExpression, | ||
|  |   isFunction, | ||
|  |   isIdentifier, | ||
|  |   isLiteral, | ||
|  |   isMemberExpression, | ||
|  |   isObjectExpression, | ||
|  |   isOptionalCallExpression, | ||
|  |   isOptionalMemberExpression, | ||
|  |   isStringLiteral | ||
|  | } = _t; | ||
|  | function crawlInternal(node, state) { | ||
|  |   if (!node) return state; | ||
|  |   if (isMemberExpression(node) || isOptionalMemberExpression(node)) { | ||
|  |     crawlInternal(node.object, state); | ||
|  |     if (node.computed) crawlInternal(node.property, state); | ||
|  |   } else if (isBinary(node) || isAssignmentExpression(node)) { | ||
|  |     crawlInternal(node.left, state); | ||
|  |     crawlInternal(node.right, state); | ||
|  |   } else if (isCallExpression(node) || isOptionalCallExpression(node)) { | ||
|  |     state.hasCall = true; | ||
|  |     crawlInternal(node.callee, state); | ||
|  |   } else if (isFunction(node)) { | ||
|  |     state.hasFunction = true; | ||
|  |   } else if (isIdentifier(node)) { | ||
|  |     state.hasHelper = | ||
|  |     state.hasHelper || node.callee && isHelper(node.callee); | ||
|  |   } | ||
|  |   return state; | ||
|  | } | ||
|  | 
 | ||
|  | function crawl(node) { | ||
|  |   return crawlInternal(node, { | ||
|  |     hasCall: false, | ||
|  |     hasFunction: false, | ||
|  |     hasHelper: false | ||
|  |   }); | ||
|  | } | ||
|  | 
 | ||
|  | function isHelper(node) { | ||
|  |   if (!node) return false; | ||
|  |   if (isMemberExpression(node)) { | ||
|  |     return isHelper(node.object) || isHelper(node.property); | ||
|  |   } else if (isIdentifier(node)) { | ||
|  |     return node.name === "require" || node.name.charCodeAt(0) === 95; | ||
|  |   } else if (isCallExpression(node)) { | ||
|  |     return isHelper(node.callee); | ||
|  |   } else if (isBinary(node) || isAssignmentExpression(node)) { | ||
|  |     return isIdentifier(node.left) && isHelper(node.left) || isHelper(node.right); | ||
|  |   } else { | ||
|  |     return false; | ||
|  |   } | ||
|  | } | ||
|  | function isType(node) { | ||
|  |   return isLiteral(node) || isObjectExpression(node) || isArrayExpression(node) || isIdentifier(node) || isMemberExpression(node); | ||
|  | } | ||
|  | 
 | ||
|  | const nodes = { | ||
|  | 
 | ||
|  |   AssignmentExpression(node) { | ||
|  |     const state = crawl(node.right); | ||
|  |     if (state.hasCall && state.hasHelper || state.hasFunction) { | ||
|  |       return state.hasFunction ? 1 | 2 : 2; | ||
|  |     } | ||
|  |   }, | ||
|  | 
 | ||
|  |   SwitchCase(node, parent) { | ||
|  |     return (!!node.consequent.length || parent.cases[0] === node ? 1 : 0) | (!node.consequent.length && parent.cases[parent.cases.length - 1] === node ? 2 : 0); | ||
|  |   }, | ||
|  | 
 | ||
|  |   LogicalExpression(node) { | ||
|  |     if (isFunction(node.left) || isFunction(node.right)) { | ||
|  |       return 2; | ||
|  |     } | ||
|  |   }, | ||
|  | 
 | ||
|  |   Literal(node) { | ||
|  |     if (isStringLiteral(node) && node.value === "use strict") { | ||
|  |       return 2; | ||
|  |     } | ||
|  |   }, | ||
|  | 
 | ||
|  |   CallExpression(node) { | ||
|  |     if (isFunction(node.callee) || isHelper(node)) { | ||
|  |       return 1 | 2; | ||
|  |     } | ||
|  |   }, | ||
|  |   OptionalCallExpression(node) { | ||
|  |     if (isFunction(node.callee)) { | ||
|  |       return 1 | 2; | ||
|  |     } | ||
|  |   }, | ||
|  | 
 | ||
|  |   VariableDeclaration(node) { | ||
|  |     for (let i = 0; i < node.declarations.length; i++) { | ||
|  |       const declar = node.declarations[i]; | ||
|  |       let enabled = isHelper(declar.id) && !isType(declar.init); | ||
|  |       if (!enabled && declar.init) { | ||
|  |         const state = crawl(declar.init); | ||
|  |         enabled = isHelper(declar.init) && state.hasCall || state.hasFunction; | ||
|  |       } | ||
|  |       if (enabled) { | ||
|  |         return 1 | 2; | ||
|  |       } | ||
|  |     } | ||
|  |   }, | ||
|  | 
 | ||
|  |   IfStatement(node) { | ||
|  |     if (isBlockStatement(node.consequent)) { | ||
|  |       return 1 | 2; | ||
|  |     } | ||
|  |   } | ||
|  | }; | ||
|  | 
 | ||
|  | exports.nodes = nodes; | ||
|  | 
 | ||
|  | nodes.ObjectProperty = nodes.ObjectTypeProperty = nodes.ObjectMethod = function (node, parent) { | ||
|  |   if (parent.properties[0] === node) { | ||
|  |     return 1; | ||
|  |   } | ||
|  | }; | ||
|  | nodes.ObjectTypeCallProperty = function (node, parent) { | ||
|  |   var _parent$properties; | ||
|  |   if (parent.callProperties[0] === node && !((_parent$properties = parent.properties) != null && _parent$properties.length)) { | ||
|  |     return 1; | ||
|  |   } | ||
|  | }; | ||
|  | nodes.ObjectTypeIndexer = function (node, parent) { | ||
|  |   var _parent$properties2, _parent$callPropertie; | ||
|  |   if (parent.indexers[0] === node && !((_parent$properties2 = parent.properties) != null && _parent$properties2.length) && !((_parent$callPropertie = parent.callProperties) != null && _parent$callPropertie.length)) { | ||
|  |     return 1; | ||
|  |   } | ||
|  | }; | ||
|  | nodes.ObjectTypeInternalSlot = function (node, parent) { | ||
|  |   var _parent$properties3, _parent$callPropertie2, _parent$indexers; | ||
|  |   if (parent.internalSlots[0] === node && !((_parent$properties3 = parent.properties) != null && _parent$properties3.length) && !((_parent$callPropertie2 = parent.callProperties) != null && _parent$callPropertie2.length) && !((_parent$indexers = parent.indexers) != null && _parent$indexers.length)) { | ||
|  |     return 1; | ||
|  |   } | ||
|  | }; | ||
|  | 
 | ||
|  | [["Function", true], ["Class", true], ["Loop", true], ["LabeledStatement", true], ["SwitchStatement", true], ["TryStatement", true]].forEach(function ([type, amounts]) { | ||
|  |   [type].concat(FLIPPED_ALIAS_KEYS[type] || []).forEach(function (type) { | ||
|  |     const ret = amounts ? 1 | 2 : 0; | ||
|  |     nodes[type] = () => ret; | ||
|  |   }); | ||
|  | }); | ||
|  | 
 | ||
|  | //# sourceMappingURL=whitespace.js.map
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