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					74 lines
				
				1.8 KiB
			
		
		
			
		
	
	
					74 lines
				
				1.8 KiB
			| 
											3 years ago
										 | "use strict"; | ||
|  | 
 | ||
|  | Object.defineProperty(exports, "__esModule", { | ||
|  |   value: true | ||
|  | }); | ||
|  | exports.default = void 0; | ||
|  | 
 | ||
|  | var _helperPluginUtils = require("@babel/helper-plugin-utils"); | ||
|  | 
 | ||
|  | var _core = require("@babel/core"); | ||
|  | 
 | ||
|  | function getName(key) { | ||
|  |   if (_core.types.isIdentifier(key)) { | ||
|  |     return key.name; | ||
|  |   } | ||
|  | 
 | ||
|  |   return key.value.toString(); | ||
|  | } | ||
|  | 
 | ||
|  | var _default = (0, _helperPluginUtils.declare)(api => { | ||
|  |   api.assertVersion(7); | ||
|  |   return { | ||
|  |     name: "transform-duplicate-keys", | ||
|  |     visitor: { | ||
|  |       ObjectExpression(path) { | ||
|  |         const { | ||
|  |           node | ||
|  |         } = path; | ||
|  |         const plainProps = node.properties.filter(prop => !_core.types.isSpreadElement(prop) && !prop.computed); | ||
|  |         const alreadySeenData = Object.create(null); | ||
|  |         const alreadySeenGetters = Object.create(null); | ||
|  |         const alreadySeenSetters = Object.create(null); | ||
|  | 
 | ||
|  |         for (const prop of plainProps) { | ||
|  |           const name = getName(prop.key); | ||
|  |           let isDuplicate = false; | ||
|  | 
 | ||
|  |           switch (prop.kind) { | ||
|  |             case "get": | ||
|  |               if (alreadySeenData[name] || alreadySeenGetters[name]) { | ||
|  |                 isDuplicate = true; | ||
|  |               } | ||
|  | 
 | ||
|  |               alreadySeenGetters[name] = true; | ||
|  |               break; | ||
|  | 
 | ||
|  |             case "set": | ||
|  |               if (alreadySeenData[name] || alreadySeenSetters[name]) { | ||
|  |                 isDuplicate = true; | ||
|  |               } | ||
|  | 
 | ||
|  |               alreadySeenSetters[name] = true; | ||
|  |               break; | ||
|  | 
 | ||
|  |             default: | ||
|  |               if (alreadySeenData[name] || alreadySeenGetters[name] || alreadySeenSetters[name]) { | ||
|  |                 isDuplicate = true; | ||
|  |               } | ||
|  | 
 | ||
|  |               alreadySeenData[name] = true; | ||
|  |           } | ||
|  | 
 | ||
|  |           if (isDuplicate) { | ||
|  |             prop.computed = true; | ||
|  |             prop.key = _core.types.stringLiteral(name); | ||
|  |           } | ||
|  |         } | ||
|  |       } | ||
|  | 
 | ||
|  |     } | ||
|  |   }; | ||
|  | }); | ||
|  | 
 | ||
|  | exports.default = _default; |