vite-esbuild-typescript-checker/dist/esm/program/program.js

* Speeds up [TypeScript](https://github.com/Microsoft/TypeScript) type checking * Supports [Vue Single File Component](https://vuejs.org/v2/guide/single-file-components.html) * Displays nice error messages with the [code frame](https://babeljs.io/docs/en/

import ts from 'typescript';
import { createCompilerHost } from '../host/compiler-host';
import { getParsedConfig } from '../config';
import { afterProgramEmitAndDiagnostics } from '../functions';
let compilerHost;
let program;
export function useProgram(port) {
    const parsedConfig = getParsedConfig();
    if (!compilerHost) {
        compilerHost = createCompilerHost(parsedConfig);
    }
    if (!program) {
        // startTracingIfNeeded(parsedConfig.options);
        program = ts.createProgram({
            rootNames: parsedConfig.fileNames,
            options: parsedConfig.options,
            projectReferences: parsedConfig.projectReferences,
            host: compilerHost
        });
    }
    afterProgramEmitAndDiagnostics(program, port);
// updateDiagnostics(getConfigFilePathFromProgram(program), getDiagnosticsOfProgram(program));
// emitDtsIfNeeded(program);
// stopTracingIfNeeded(program);
}
export function invalidateProgram(withHost = false) {
    if (withHost) {
        compilerHost = undefined;
    }
    program = undefined;
}