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APISample_parseConfig.ts
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47 lines (41 loc) · 1.45 KB
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// @module: commonjs
// @skipLibCheck: true
// @noImplicitAny:true
// @strictNullChecks:true
// @filename: node_modules/typescript/package.json
{
"name": "typescript",
"types": "/.ts/typescript.d.ts"
}
// @filename: APISample_parseConfig.ts
/*
* Note: This test is a public API sample. The sample sources can be found
* at: https://github.com/Microsoft/TypeScript/wiki/Using-the-Compiler-API#a-minimal-compiler
* Please log a "breaking change" issue for any API breaking change affecting this issue
*/
declare var process: any;
declare var console: any;
declare var os: any;
import ts = require("typescript");
function printError(error: ts.Diagnostic): void {
if (!error) {
return;
}
console.log(`${error.file && error.file.fileName}: ${error.messageText}`);
}
export function createProgram(rootFiles: string[], compilerOptionsJson: string): ts.Program | undefined {
const { config, error } = ts.parseConfigFileTextToJson("tsconfig.json", compilerOptionsJson)
if (error) {
printError(error);
return undefined;
}
const basePath: string = process.cwd();
const settings = ts.convertCompilerOptionsFromJson(config.config["compilerOptions"], basePath);
if (!settings.options) {
for (const err of settings.errors) {
printError(err);
}
return undefined;
}
return ts.createProgram(rootFiles, settings.options);
}