@redwoodjs/sdk/dist/lib/compileTsModule.mjs

Build fast, server-driven webapps on Cloudflare with SSR, RSC, and realtime

import ts from "typescript";
import path from "path";
export const compileTsModule = (tsCode) => {
    const tsConfigPath = "./tsconfig.json";
    // Find the nearest tsconfig.json
    const configPath = ts.findConfigFile(path.dirname(tsConfigPath), ts.sys.fileExists, path.basename(tsConfigPath));
    if (!configPath) {
        throw new Error(`Could not find a valid tsconfig.json at path: ${tsConfigPath}`);
    }
    // Read and parse tsconfig.json
    const configFile = ts.readConfigFile(configPath, ts.sys.readFile);
    if (configFile.error) {
        throw new Error(`Error reading tsconfig.json: ${ts.formatDiagnostic(configFile.error, ts.createCompilerHost({}))}`);
    }
    const parsedConfig = ts.parseJsonConfigFileContent(configFile.config, ts.sys, path.dirname(configPath));
    const compilerOptions = parsedConfig.options;
    // Transpile the TypeScript code using the compiler options
    const output = ts.transpileModule(tsCode, {
        compilerOptions,
        reportDiagnostics: true,
    });
    if (output.diagnostics && output.diagnostics.length) {
        const diagnosticMessages = output.diagnostics.map((diagnostic) => ts.flattenDiagnosticMessageText(diagnostic.messageText, "\n"));
        throw new Error(`TypeScript Compilation Errors:\n${diagnosticMessages.join("\n")}`);
    }
    return output.outputText; // Compiled JavaScript code
};