| 1 | 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* as ts from 'typescript';\nimport { IMinimatch } from 'minimatch';\n\nimport { Logger } from '../utils/loggers';\nimport { createMinimatch } from '../utils/paths';\nimport { Reflection, ProjectReflection, ContainerReflection, Type } from '../models/index';\n\nimport { createTypeParameter } from './factories/type-parameter';\nimport { Converter } from './converter';\n\n/**\n * The context describes the current state the converter is in.\n */\nexport class Context {\n /**\n * The converter instance that has created the context.\n */\n converter: Converter;\n\n /**\n * A list of all files that have been passed to the TypeScript compiler.\n */\n fileNames: string[];\n\n /**\n * The TypeChecker instance returned by the TypeScript compiler.\n */\n checker: ts.TypeChecker;\n\n /**\n * The program that is currently processed.\n */\n program: ts.Program;\n\n /**\n * The project that is currently processed.\n */\n project: ProjectReflection;\n\n /**\n * The scope or parent reflection that is currently processed.\n */\n scope: Reflection;\n\n /**\n * Is the current source file marked as being external?\n */\n isExternal?: boolean;\n\n /**\n * Is the current source file a declaration file?\n */\n isDeclaration?: boolean;\n\n /**\n * The currently set type parameters.\n */\n typeParameters?: ts.MapLike<Type>;\n\n /**\n * The currently set type arguments.\n */\n typeArguments?: Type[];\n\n /**\n * Is the converter in inheritance mode?\n */\n isInherit?: boolean;\n\n /**\n * The node that has started the inheritance mode.\n */\n inheritParent?: ts.Node;\n\n /**\n * List symbol ids of inherited children already visited while inheriting.\n */\n inheritedChildren?: number[];\n\n /**\n * The names of the children of the scope before inheritance has been started.\n */\n inherited?: string[];\n\n /**\n * A list of parent nodes that have been passed to the visit function.\n */\n visitStack: ts.Node[];\n\n /**\n * Next free symbol id used by [[getSymbolID]].\n */\n private symbolID = -1024;\n\n /**\n * The pattern that should be used to flag external source files.\n */\n private externalPattern?: Array<IMinimatch>;\n\n /**\n * Create a new Context instance.\n *\n * @param converter The converter instance that has created the context.\n * @param fileNames A list of all files that have been passed to the TypeScript compiler.\n * @param checker The TypeChecker instance returned by the TypeScript compiler.\n */\n constructor(converter: Converter, fileNames: string[], checker: ts.TypeChecker, program: ts.Program) {\n this.converter = converter;\n this.fileNames = fileNames;\n this.checker = checker;\n this.program = program;\n this.visitStack = [];\n\n const project = new ProjectReflection(converter.name);\n this.project = project;\n this.scope = project;\n\n if (converter.externalPattern) {\n this.externalPattern = createMinimatch(converter.externalPattern);\n }\n }\n\n /**\n * Return the compiler options.\n */\n getCompilerOptions(): ts.CompilerOptions {\n return this.converter.application.options.getCompilerOptions();\n }\n\n /**\n * Return the type declaration of the given node.\n *\n * @param node The TypeScript node whose type should be resolved.\n * @returns The type declaration of the given node.\n */\n getTypeAtLocation(node: ts.Node): ts.Type | undefined {\n let nodeType: ts.Type | undefined;\n try {\n nodeType = this.checker.getTypeAtLocation(node);\n } catch (error) {\n }\n if (!nodeType) {\n if (node.symbol) {\n nodeType = this.checker.getDeclaredTypeOfSymbol(node.symbol);\n } else if (node.parent && node.parent.symbol) {\n nodeType = this.checker.getDeclaredTypeOfSymbol(node.parent.symbol);\n } else if (node.parent && node.parent.parent && node.parent.parent.symbol) {\n nodeType = this.checker.getDeclaredTypeOfSymbol(node.parent.parent.symbol);\n }\n }\n return nodeType;\n }\n\n /**\n * Return the current logger instance.\n *\n * @returns The current logger instance.\n */\n getLogger(): Logger {\n return this.converter.application.logger;\n }\n\n /**\n * Return the symbol id of the given symbol.\n *\n * The compiler sometimes does not assign an id to symbols, this method makes sure that we have one.\n * It will assign negative ids if they are not set.\n *\n * @param symbol The symbol whose id should be returned.\n * @returns The id of the given symbol or undefined if no symbol is provided.\n */\n getSymbolID(symbol: ts.Symbol | undefined): number | undefined {\n if (!symbol) {\n return;\n }\n if (!symbol.id) {\n symbol.id = this.symbolID--;\n }\n return symbol.id;\n }\n\n /**\n * Register a newly generated reflection.\n *\n * Ensures that the reflection is both listed in [[Project.reflections]] and\n * [[Project.symbolMapping]] if applicable.\n *\n * @param reflection The reflection that should be registered.\n * @param node The node the given reflection was resolved from.\n * @param symbol The symbol the given reflection was resolved from.\n */\n registerReflection(reflection: Reflection, node?: ts.Node, symbol?: ts.Symbol) {\n this.project.reflections[reflection.id] = reflection;\n\n const id = this.getSymbolID(symbol ? symbol : (node ? node.symbol : undefined));\n if (!this.isInherit && id && !this.project.symbolMapping[id]) {\n this.project.symbolMapping[id] = reflection.id;\n }\n }\n\n /**\n * Trigger a node reflection event.\n *\n * All events are dispatched on the current converter instance.\n *\n * @param name The name of the event that should be triggered.\n * @param reflection The triggering reflection.\n * @param node The triggering TypeScript node if available.\n */\n trigger(name: string, reflection: Reflection, node?: ts.Node) {\n this.converter.trigger(name, this, reflection, node);\n }\n\n /**\n * Run the given callback with the context configured for the given source file.\n *\n * @param node The TypeScript node containing the source file declaration.\n * @param callback The callback that should be executed.\n */\n withSourceFile(node: ts.SourceFile, callback: Function) {\n let isExternal = !this.fileNames.includes(node.fileName);\n if (!isExternal && this.externalPattern) {\n isExternal = this.externalPattern.some(mm => mm.match(node.fileName));\n }\n\n if (isExternal && this.converter.excludeExternals) {\n return;\n }\n\n let isDeclaration = node.isDeclarationFile;\n if (isDeclaration) {\n const lib = this.converter.getDefaultLib();\n const isLib = node.fileName.substr(-lib.length) === lib;\n if (!this.converter.includeDeclarations || isLib) {\n return;\n }\n }\n\n this.isExternal = isExternal;\n this.isDeclaration = isDeclaration;\n\n this.trigger(Converter.EVENT_FILE_BEGIN, this.project, node);\n callback();\n\n this.isExternal = false;\n this.isDeclaration = false;\n }\n\n /**\n * @param callback The callback function that should be executed with the changed context.\n */\n public withScope(scope: Reflection | undefined, callback: () => void): void;\n\n /**\n * @param parameters An array of type parameters that should be set on the context while the callback is invoked.\n * @param callback The callback function that should be executed with the changed context.\n */\n public withScope(\n scope: Reflection | undefined,\n parameters: ts.NodeArray<ts.TypeParameterDeclaration> | undefined,\n callback: () => void): void;\n\n /**\n * @param parameters An array of type parameters that should be set on the context while the callback is invoked.\n * @param preserve Should the currently set type parameters of the context be preserved?\n * @param callback The callback function that should be executed with the changed context.\n */\n public withScope(\n scope: Reflection | undefined,\n parameters: ts.NodeArray<ts.TypeParameterDeclaration> | undefined,\n preserve: boolean,\n callback: () => void): void;\n\n /**\n * Run the given callback with the scope of the context set to the given reflection.\n *\n * @param scope The reflection that should be set as the scope of the context while the callback is invoked.\n */\n public withScope(scope: Reflection, ...args: any[]): void {\n if (!scope || !args.length) {\n return;\n }\n const callback = args.pop();\n const parameters = args.shift();\n\n const oldScope = this.scope;\n const oldTypeArguments = this.typeArguments;\n const oldTypeParameters = this.typeParameters;\n\n this.scope = scope;\n this.typeParameters = parameters ? this.extractTypeParameters(parameters, args.length > 0) : this.typeParameters;\n this.typeArguments = undefined;\n\n callback();\n\n this.scope = oldScope;\n this.typeParameters = oldTypeParameters;\n this.typeArguments = oldTypeArguments;\n }\n\n /**\n * Inherit the children of the given TypeScript node to the current scope.\n *\n * @param baseNode The node whose children should be inherited.\n * @param typeArguments The type arguments that apply while inheriting the given node.\n * @return The resulting reflection / the current scope.\n */\n inherit(baseNode: ts.Node, typeArguments?: ts.NodeArray<ts.TypeNode>): 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