feat: change build value

Author: Meet-student

packages/rspack-cli/src/cli.ts

@@ -170,13 +170,11 @@ export class RspackCLI {
 
 			// false is also a valid value for sourcemap, so don't override it
 			if (typeof item.devtool === "undefined") {
-				item.devtool = isBuild ? "source-map" : "cheap-module-source-map";
+				item.devtool = isBuild ? false : "eval";
 			}
 			// user parameters always has highest priority than default devtool and config devtool
 			if (typeof options.devtool !== "undefined") {
-				item.devtool = isBuild
-					? item.devtool
-					: (options.devtool as RspackOptions["devtool"]);
+				item.devtool = options.devtool as RspackOptions["devtool"];
 			}
 
 			if (isServe) {

packages/rspack-cli/src/utils/options.ts

@@ -59,12 +59,12 @@ export const commonOptionsForBuildAndServe = (yargs: yargs.Argv) => {
 			},
 			devtool: {
 				type: "string",
-				default: "eval",
-				describe: "devtool",
+				describe:
+					"devtool in development default value eval, in production default value false",
 				alias: "d",
-				coerce: arg => {
-					if (arg === "true") return "eval"; // --devtool true equal to "eval"
-					if (arg === "false") return false; // --devtool false disabled
+				coerce: (arg): string | boolean => {
+					if (arg === "true") return "eval";
+					if (arg === "false") return false;
 					return arg;
 				}
 			}