107 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			107 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
| import * as ts from 'typescript';
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| 
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| import {ReflectorHost, ReflectorHostContext} from '../src/reflector_host';
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| 
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| export type Entry = string | Directory;
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| 
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| export interface Directory { [name: string]: Entry; }
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| 
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| export class MockContext implements ReflectorHostContext {
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|   constructor(public currentDirectory: string, private files: Entry) {}
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| 
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|   exists(fileName: string): boolean { return this.getEntry(fileName) !== undefined; }
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| 
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|   read(fileName: string): string|undefined {
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|     let data = this.getEntry(fileName);
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|     if (typeof data === 'string') {
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|       return data;
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|     }
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|     return undefined;
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|   }
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| 
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|   write(fileName: string, data: string): void {
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|     let parts = fileName.split('/');
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|     let name = parts.pop();
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|     let entry = this.getEntry(parts);
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|     if (entry && typeof entry !== 'string') {
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|       entry[name] = data;
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|     }
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|   }
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| 
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|   getEntry(fileName: string|string[]): Entry|undefined {
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|     let parts = typeof fileName === 'string' ? fileName.split('/') : fileName;
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|     if (parts[0]) {
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|       parts = this.currentDirectory.split('/').concat(parts);
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|     }
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|     parts.shift();
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|     parts = normalize(parts);
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|     let current = this.files;
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|     while (parts.length) {
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|       let part = parts.shift();
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|       if (typeof current === 'string') {
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|         return undefined;
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|       }
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|       let next = (<Directory>current)[part];
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|       if (next === undefined) {
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|         return undefined;
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|       }
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|       current = next;
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|     }
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|     return current;
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|   }
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| }
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| 
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| function normalize(parts: string[]): string[] {
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|   let result: string[] = [];
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|   while (parts.length) {
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|     let part = parts.shift();
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|     switch (part) {
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|       case '.':
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|         break;
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|       case '..':
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|         result.pop();
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|         break;
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|       default:
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|         result.push(part);
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|     }
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|   }
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|   return result;
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| }
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| 
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| export class MockCompilerHost implements ts.CompilerHost {
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|   constructor(private context: MockContext) {}
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| 
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|   fileExists(fileName: string): boolean { return this.context.exists(fileName); }
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| 
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|   readFile(fileName: string): string { return this.context.read(fileName); }
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| 
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|   directoryExists(directoryName: string): boolean { return this.context.exists(directoryName); }
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| 
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|   getSourceFile(
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|       fileName: string, languageVersion: ts.ScriptTarget,
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|       onError?: (message: string) => void): ts.SourceFile {
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|     let sourceText = this.context.read(fileName);
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|     if (sourceText) {
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|       return ts.createSourceFile(fileName, sourceText, languageVersion);
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|     } else {
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|       return undefined;
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|     }
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|   }
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| 
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|   getDefaultLibFileName(options: ts.CompilerOptions): string {
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|     return ts.getDefaultLibFileName(options);
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|   }
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| 
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|   writeFile: ts.WriteFileCallback = (fileName, text) => { this.context.write(fileName, text); }
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| 
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|   getCurrentDirectory(): string {
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|     return this.context.currentDirectory;
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|   }
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| 
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|   getCanonicalFileName(fileName: string): string { return fileName; }
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| 
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|   useCaseSensitiveFileNames(): boolean { return false; }
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| 
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|   getNewLine(): string { return '\n'; }
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| }
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