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							115 lines
						
					
					
						
							3.9 KiB
						
					
					
				
			
		
		
	
	
							115 lines
						
					
					
						
							3.9 KiB
						
					
					
				"use strict"; | 
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 | 
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exports.__esModule = true; | 
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exports.default = void 0; | 
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 | 
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var babel = _interopRequireWildcard(require("@babel/core")); | 
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 | 
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function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; } | 
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 | 
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function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; } | 
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 | 
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const { | 
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  types: t | 
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} = babel.default || babel; | 
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 | 
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class ImportsCache { | 
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  constructor(resolver) { | 
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    this._imports = new WeakMap(); | 
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    this._anonymousImports = new WeakMap(); | 
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    this._lastImports = new WeakMap(); | 
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    this._resolver = resolver; | 
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  } | 
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 | 
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  storeAnonymous(programPath, url, // eslint-disable-next-line no-undef | 
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  getVal) { | 
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    const key = this._normalizeKey(programPath, url); | 
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 | 
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    const imports = this._ensure(this._anonymousImports, programPath, Set); | 
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 | 
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    if (imports.has(key)) return; | 
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    const node = getVal(programPath.node.sourceType === "script", t.stringLiteral(this._resolver(url))); | 
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    imports.add(key); | 
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 | 
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    this._injectImport(programPath, node); | 
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  } | 
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 | 
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  storeNamed(programPath, url, name, getVal) { | 
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    const key = this._normalizeKey(programPath, url, name); | 
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 | 
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    const imports = this._ensure(this._imports, programPath, Map); | 
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 | 
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    if (!imports.has(key)) { | 
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      const { | 
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        node, | 
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        name: id | 
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      } = getVal(programPath.node.sourceType === "script", t.stringLiteral(this._resolver(url)), t.identifier(name)); | 
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      imports.set(key, id); | 
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 | 
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      this._injectImport(programPath, node); | 
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    } | 
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 | 
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    return t.identifier(imports.get(key)); | 
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  } | 
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 | 
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  _injectImport(programPath, node) { | 
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    let lastImport = this._lastImports.get(programPath); | 
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 | 
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    if (lastImport && lastImport.node && // Sometimes the AST is modified and the "last import" | 
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    // we have has been replaced | 
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    lastImport.parent === programPath.node && lastImport.container === programPath.node.body) { | 
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      lastImport = lastImport.insertAfter(node); | 
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    } else { | 
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      lastImport = programPath.unshiftContainer("body", node); | 
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    } | 
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 | 
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    lastImport = lastImport[lastImport.length - 1]; | 
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 | 
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    this._lastImports.set(programPath, lastImport); | 
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    /* | 
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    let lastImport; | 
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     programPath.get("body").forEach(path => { | 
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      if (path.isImportDeclaration()) lastImport = path; | 
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      if ( | 
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        path.isExpressionStatement() && | 
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        isRequireCall(path.get("expression")) | 
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      ) { | 
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        lastImport = path; | 
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      } | 
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      if ( | 
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        path.isVariableDeclaration() && | 
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        path.get("declarations").length === 1 && | 
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        (isRequireCall(path.get("declarations.0.init")) || | 
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          (path.get("declarations.0.init").isMemberExpression() && | 
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            isRequireCall(path.get("declarations.0.init.object")))) | 
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      ) { | 
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        lastImport = path; | 
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      } | 
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    });*/ | 
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 | 
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  } | 
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 | 
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  _ensure(map, programPath, Collection) { | 
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    let collection = map.get(programPath); | 
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 | 
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    if (!collection) { | 
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      collection = new Collection(); | 
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      map.set(programPath, collection); | 
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    } | 
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 | 
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    return collection; | 
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  } | 
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 | 
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  _normalizeKey(programPath, url, name = "") { | 
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    const { | 
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      sourceType | 
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    } = programPath.node; // If we rely on the imported binding (the "name" parameter), we also need to cache | 
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    // based on the sourceType. This is because the module transforms change the names | 
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    // of the import variables. | 
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 | 
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    return `${name && sourceType}::${url}::${name}`; | 
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  } | 
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 | 
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} | 
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 | 
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exports.default = ImportsCache; |