67 lines
2.3 KiB
TypeScript
67 lines
2.3 KiB
TypeScript
// @module: commonjs
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// @skipLibCheck: true
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// @includebuiltfile: typescriptServices.d.ts
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// @noImplicitAny:true
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// @strictNullChecks:true
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// @filename: node_modules/typescript/index.d.ts
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declare module "typescript" {
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export = ts;
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}
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// @filename: APISample_WatchWithOwnWatchHost.ts
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/*
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* Note: This test is a public API sample. This sample verifies creating abstract builder to watch list of root files
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* Please log a "breaking change" issue for any API breaking change affecting this issue
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*/
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declare var console: any;
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import ts = require("typescript");
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function watchMain() {
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// get list of files and compiler options somehow
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const files: string[] = [];
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const options: ts.CompilerOptions = {};
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const host: ts.WatchCompilerHostOfFilesAndCompilerOptions<ts.BuilderProgram> = {
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rootFiles: files,
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options,
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useCaseSensitiveFileNames: () => ts.sys.useCaseSensitiveFileNames,
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getNewLine: () => ts.sys.newLine,
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getCurrentDirectory: ts.sys.getCurrentDirectory,
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getDefaultLibFileName: options => ts.getDefaultLibFilePath(options),
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fileExists: ts.sys.fileExists,
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readFile: ts.sys.readFile,
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directoryExists: ts.sys.directoryExists,
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getDirectories: ts.sys.getDirectories,
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readDirectory: ts.sys.readDirectory,
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realpath: ts.sys.realpath,
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watchFile: ts.sys.watchFile!,
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watchDirectory: ts.sys.watchDirectory!,
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createProgram: ts.createAbstractBuilder
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};
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// You can technically override any given hook on the host, though you probably don't need to.
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// Note that we're assuming `origCreateProgram` and `origPostProgramCreate` doesn't use `this` at all.
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const origCreateProgram = host.createProgram;
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host.createProgram = (rootNames, options, host, oldProgram) => {
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console.log("** We're about to create the program! **");
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return origCreateProgram(rootNames, options, host, oldProgram);
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}
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const origPostProgramCreate = host.afterProgramCreate;
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host.afterProgramCreate = program => {
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console.log("** We finished making the program! **");
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origPostProgramCreate!(program);
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};
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// `createWatchProgram` creates an initial program, watches files, and updates the program over time.
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ts.createWatchProgram(host);
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}
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watchMain();
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