feat(sassoptions): export sourcemap property

Author: kwonoj

src/interop/context.ts

@@ -13,15 +13,18 @@ import { wrapSassOptions } from './wrapSassOptions';
  * @param asmModule
  */
 const buildContext = (asmModule: SassAsmModule) => {
-  const { cwrap, FS, stackAlloc, stringToUTF8 } = asmModule;
+  const { cwrap, FS, stackAlloc, stringToUTF8, Pointer_stringify } = asmModule;
   const cwrapCtx = wrapSassContext(cwrap);
   const cwrapOptions = wrapSassOptions(cwrap);
 
-  const allocString = (value: string) => {
-    const len = (value.length << 2) + 1;
-    const ret = stackAlloc(len);
-    stringToUTF8(value, ret, len);
-    return ret;
+  const str = {
+    alloc: (value: string) => {
+      const len = (value.length << 2) + 1;
+      const ret = stackAlloc(len);
+      stringToUTF8(value, ret, len);
+      return ret;
+    },
+    ptrToString: Pointer_stringify
   };
 
   const nodePathId = `/${nanoid(45)}`;
@@ -33,7 +36,7 @@ const buildContext = (asmModule: SassAsmModule) => {
 
   return {
     options: {
-      create: () => new SassOptions(cwrapCtx, cwrapOptions, mountPath, unmountPath, allocString) as SassOptionsInterface
+      create: () => new SassOptions(cwrapCtx, cwrapOptions, mountPath, unmountPath, str) as SassOptionsInterface
     }
   };
 };

src/interop/sassOptions.ts

@@ -29,6 +29,16 @@ interface SassOptionsInterface {
    */
   omitMapComment: boolean;
 
+  /**
+   * Property accessor to `sass_option_(get|set)_omit_source_map_embed`
+   */
+  sourceMapEmbed: boolean;
+
+  /**
+   * Property accessor to `sass_option_(get|set)_source_map_file`
+   */
+  sourceMapFile: string;
+
   /**
    * Push include path for compilation.
    * @param {string} includePath path to be inlcluded
@@ -86,7 +96,10 @@ class SassOptions implements SassOptionsInterface {
     private readonly cwrapOptions: ReturnType<typeof wrapSassOptions>,
     private readonly mount: ReturnType<typeof mountDirectory>,
     private readonly unmountPath: ReturnType<typeof unmount>,
-    private readonly allocString: (value: string) => number
+    private readonly strMethod: {
+      alloc: (value: string) => number;
+      ptrToString: (value: number) => string;
+    }
   ) {
     this.sassOptionsPtr = cwrapCtx.make_options();
     log(`SassOptions: created new instance`, { sassOptionsPtr: this.sassOptionsPtr });
@@ -130,18 +143,35 @@ class SassOptions implements SassOptionsInterface {
     this.cwrapOptions.option_set_omit_source_map_url(this.sassOptionsPtr, isOmitted);
   }
 
+  public get sourceMapEmbed(): boolean {
+    return !!this.cwrapOptions.option_get_source_map_embed(this.sassOptionsPtr);
+  }
+
+  public set sourceMapEmbed(embed: boolean) {
+    this.cwrapOptions.option_set_source_map_embed(this.sassOptionsPtr, embed);
+  }
+
+  public get sourceMapFile(): string {
+    const mapFilePtr = this.cwrapOptions.option_get_source_map_file(this.sassOptionsPtr);
+    return this.strMethod.ptrToString(mapFilePtr);
+  }
+
+  public set sourceMapFile(mapFile: string) {
+    this.cwrapOptions.option_set_source_map_file(this.sassOptionsPtr, this.strMethod.alloc(mapFile));
+  }
+
   public addIncludePath(includePath: string): void {
     const mounted = this.mount(includePath);
     this.mountedPath.push(mounted);
 
-    this.cwrapOptions.option_push_include_path(this.sassOptionsPtr, this.allocString(mounted));
+    this.cwrapOptions.option_push_include_path(this.sassOptionsPtr, this.strMethod.alloc(mounted));
   }
 
   public addPluginPath(pluginPath: string): void {
     const mounted = this.mount(pluginPath);
     this.mountedPath.push(mounted);
 
-    this.cwrapOptions.option_push_plugin_path(this.sassOptionsPtr, this.allocString(mounted));
+    this.cwrapOptions.option_push_plugin_path(this.sassOptionsPtr, this.strMethod.alloc(mounted));
   }
 
   public dispose(): void {

src/interop/wrapSassOptions.ts

@@ -15,7 +15,11 @@ const wrapSassOptions = (cwrap: cwrapSignature) => ({
     'number'
   ]),
   //bool sass_option_get_source_map_embed (struct Sass_Options* options);
-  option_get_source_map_embed: null,
+  option_get_source_map_embed: cwrap<(sassOptionsPtr: number) => boolean>(
+    `sass_option_get_source_map_embed`,
+    'boolean',
+    ['number']
+  ),
   //bool sass_option_get_source_map_contents (struct Sass_Options* options);
   option_get_source_map_contents: null,
   //bool sass_option_get_source_map_file_urls (struct Sass_Options* options);
@@ -41,7 +45,9 @@ const wrapSassOptions = (cwrap: cwrapSignature) => ({
   //const char* sass_option_get_output_path (struct Sass_Options* options);
   option_get_output_path: null,
   //const char* sass_option_get_source_map_file (struct Sass_Options* options);
-  option_get_source_map_file: null,
+  option_get_source_map_file: cwrap<(sassOptionsPtr: number) => number>(`sass_option_get_source_map_file`, 'number', [
+    'number'
+  ]),
   //const char* sass_option_get_source_map_root (struct Sass_Options* options);
   option_get_source_map_root: null,
   //Sass_C_Function_List sass_option_get_c_functions (struct Sass_Options* options);
@@ -77,7 +83,11 @@ const wrapSassOptions = (cwrap: cwrapSignature) => ({
     ['number', 'boolean']
   ),
   //void sass_option_set_source_map_embed (struct Sass_Options* options, bool source_map_embed);
-  option_set_source_map_embed: null,
+  option_set_source_map_embed: cwrap<(sassOptionsPtr: number, embed: boolean) => void>(
+    `sass_option_set_source_map_embed`,
+    null,
+    ['number', 'boolean']
+  ),
   //void sass_option_set_source_map_contents (struct Sass_Options* options, bool source_map_contents);
   option_set_source_map_contents: null,
   //void sass_option_set_source_map_file_urls (struct Sass_Options* options, bool source_map_file_urls);
@@ -107,7 +117,11 @@ const wrapSassOptions = (cwrap: cwrapSignature) => ({
   //void sass_option_set_include_path (struct Sass_Options* options, const char* include_path);
   option_set_include_path: null,
   //void sass_option_set_source_map_file (struct Sass_Options* options, const char* source_map_file);
-  option_set_source_map_file: null,
+  option_set_source_map_file: cwrap<(sassOptionsPtr: number, mapFile: number) => void>(
+    `sass_option_set_source_map_file`,
+    null,
+    ['number', 'number']
+  ),
   //void sass_option_set_source_map_root (struct Sass_Options* options, const char* source_map_root);
   option_set_source_map_root: null,
   //void sass_option_set_c_functions (struct Sass_Options* options, Sass_C_Function_List c_functions);