Function getTypeScriptCompiler

lib/compiler.js:39–56

* Returns the cached TypeScript compiler or loads it * if it is not found in the cache. * * @private * @param {Object} [options] - Optional compiler options. * @return {compileCallback} The TypeScript compiler. * @throws {VMError} If the TypeScript module can't be found.

(options)

 * @throws {VMError} If the TypeScript module can't be found.
 */
function getTypeScriptCompiler(options) {
	try {
		// The warning generated by webpack can be disabled by setting:
		// ignoreWarnings[].message = /Can't resolve 'typescript'/
		 
		const typescript = require('typescript');
		return (code, filename) => {
			return typescript.transpileModule(code, {
				fileName: filename,
				compilerOptions: Object.assign({
					module: typescript.ModuleKind.CommonJS,
				}, options)
			}).outputText;
		};
	} catch (e) {
		throw new VMError('TypeScript compiler is not installed.');
	}
}

/**
 * Remove the shebang from source code.