heft-tsconfig-replace-paths-plugin.js

const { promisify } = require("util");
const { exec: _exec } = require("child_process");
const { resolve } = require("path");

const exec = promisify(_exec);
const PLUGIN_NAME = "FixTsconfigPathsPlugin";

class FixTsconfigPathsPlugin {
  pluginName = PLUGIN_NAME;

  apply(heftSession, heftConfiguration) {
    const logger = heftSession.requestScopedLogger("fix-tsconfig-paths");

    heftSession.hooks.build.tap(PLUGIN_NAME, (build) => {
      build.hooks.compile.tap(PLUGIN_NAME, (compile) => {
        compile.hooks.afterCompile.tapPromise(PLUGIN_NAME, async () => {
          const fixerBin = resolve(__dirname, "node_modules", ".bin", "tsconfig-replace-paths");
          const tsconfigPath = resolve(heftConfiguration.buildFolder, "tsconfig.json");
          const args = [
            "--project", tsconfigPath,
            "--out", resolve(heftConfiguration.buildFolder, "dist"),
            "--src", resolve(heftConfiguration.buildFolder, "src")
          ];
          
          const tsconfig = require(tsconfigPath);
          
          if (tsconfig && tsconfig.compilerOptions && tsconfig.compilerOptions.paths) {
            await exec(`${fixerBin} ${args.join(" ")}`, {
              cwd: __dirname,
            });
            
            args[3] = resolve(heftConfiguration.buildFolder, "dist-cjs");
            await exec(`${fixerBin} ${args.join(" ")}`, {
              cwd: __dirname,
            });
          }
        });
      });
    });
  }
}

module.exports = new FixTsconfigPathsPlugin();