feat: support --sourcemap (#23)

* feat: support `--sourcemap`

close #22

* change the default value of sourcemap to `undefined`

* maintain consistent type with farm

* modify merge option

* handle string Boolean values

* add `changeset` msg to support `--sourcemap`

* optimized code

* remove redundant functions

* update `pnpm-lock`

Author: RSS1102

.changeset/two-fans-repeat.md

@@ -0,0 +1,5 @@
+---
+'farmup': patch
+---
+
+support `--sourcemap`

README.md

@@ -117,3 +117,10 @@ set external package or path
 - `default`: `true`
 
 in your code, if not find `package` or `source`, set external
+
+### sourcemap
+
+- `default`: `undefined`
+- option:  `boolean` | `'inline'` | `'all'` | `'all-inline'`
+
+generate sourcemap

playground/package.json

@@ -4,6 +4,8 @@
   "private": true,
   "description": "",
   "scripts": {
+    "build": "farmup",
+    "sourcemap": "farmup --sourcemap",
     "dev": "farmup -w"
   },
   "keywords": [],

pnpm-lock.yaml

@@ -179,6 +179,9 @@ async function normalizedSimpleConfig(
         ...(commonOptions.mode || config.compilation?.mode
             ? { mode: commonOptions.mode || config.compilation?.mode }
             : {}),
+        ...(!isUndefined(commonOptions.sourcemap ?? config.compilation?.sourcemap)
+            ? { sourcemap: commonOptions.sourcemap ?? config.compilation?.sourcemap }
+            : {}),
         ...(commonOptions.format || config.compilation?.output?.format
             ? { format: commonOptions.format || config.compilation?.output?.format }
             : {}),
@@ -233,9 +236,10 @@ export class NormalizeOption {
         noExecute: false,
         watchFiles: [],
         outputDir: './dist',
+        sourcemap: undefined,
     };
 
-    constructor(private commonOption: CommonOptions, private logger: Logger) {}
+    constructor(private commonOption: CommonOptions, private logger: Logger) { }
 
     async config(config: UserConfig): Promise<UserConfig> {
         await normalizedSimpleConfig(config, this.commonOption, this.options, this.logger);
@@ -249,7 +253,7 @@ export class NormalizeOption {
                         ...(this.options.outputEntry ? { entryFilename: this.options.outputEntry.name } : {}),
                         path: this.options.outputDir,
                     },
-                    ...pick(this.options, 'minify'),
+                    ...pick(this.options, 'minify', 'sourcemap'),
                 },
             },
             this.options

src/config/normalize/index.ts

@@ -87,6 +87,7 @@ cli.option('-w, --watch [...files]', 'watch files', { default: false })
     .option('--format [format]', 'choose one from "cjs" or "esm"')
     .option('--external [...external]', 'external')
     .option('--no-auto-external', 'if not found module, auto as external', { default: true })
+    .option('--sourcemap [sourcemap]', 'generate sourcemap or not')
     .option(
         '--target [target]',
         "target for output, default is node, support 'browser'、'node'、'node16'、'node-legacy'、'node-next'、'browser-legacy'、'browser-es2015'、'browser-es2017'、'browser-esnext'"
@@ -101,8 +102,8 @@ async function commonOptionsFromArgs(args: Record<string, any>): Promise<Partial
                 ? args.config
                 : path.resolve(root, args.config)
             : args.config
-            ? await getConfigFilePath(root)
-            : undefined;
+                ? await getConfigFilePath(root)
+                : undefined;
     const execute = isString(args.exec) && !isBoolean(args.exec) ? args.exec : undefined;
 
     return {
@@ -122,6 +123,7 @@ async function commonOptionsFromArgs(args: Record<string, any>): Promise<Partial
             .map((item) => (item === true ? undefined : item))
             .filter(Boolean),
         outputDir: args.output || './dist',
+        sourcemap: args.sourcemap === 'false' ? false : args.sourcemap === 'true' ? true : args.sourcemap,
     };
 }
 

src/index.ts

@@ -63,6 +63,11 @@ export interface CommonOptions {
      * @default './dist'
      */
     outputDir?: string;
+    /**
+     * generate sourcemap
+     * @params boolean | 'inline' | 'all' | 'all-inline'
+     */
+    sourcemap?: boolean | 'inline' | 'all' | 'all-inline'
 }
 
 export interface ResolvedCommonOptions {
@@ -92,6 +97,11 @@ export interface ResolvedCommonOptions {
      * @default './dist'
      */
     outputDir: string;
+    /**
+     * generate sourcemap
+     * @params boolean | 'inline' | 'all' | 'all-inline'
+     */
+    sourcemap?: boolean  | 'inline' | 'all' | 'all-inline'
 }
 
 export enum ExecuteMode {