feat: add getIconUnicode option. #204

README.md

@@ -330,6 +330,15 @@ The path of the templates, see `src/styles` or `test/templates/styles` to get re
 
 unicode start number
 
+### getIconUnicode
+
+Get Icon Unicode
+
+```ts
+getIconUnicode?: (name: string, unicode: string, startUnicode: number) 
+      => [string, number];
+```
+
 ### useNameAsUnicode
 
 > Type: `Boolean`  

src/index.ts

@@ -99,6 +99,8 @@ export type SvgToFontOptions = {
    * @default 10000
    */
   startUnicode?: number;
+  /** Get Icon Unicode */
+  getIconUnicode?: (name: string, unicode: string, startUnicode: number) => [string, number];
   /**
    * should the name(file name) be used as unicode? this switch allows for the support of ligatures.
    * @default false

src/utils.ts

@@ -38,7 +38,21 @@ export function createSVG(options: SvgToFontOptions = {}): Promise<Record<string
       // file name
       let _name = path.basename(svgPath, ".svg");
       const glyph = fs.createReadStream(svgPath) as ReadStream & { metadata: { unicode: string[], name: string } };
-      glyph.metadata = { unicode: getIconUnicode(_name, options.useNameAsUnicode), name: _name };
+
+      const curUnicode = String.fromCharCode(startUnicode);
+      const [_curUnicode, _startUnicode] = options.getIconUnicode 
+              ? (options.getIconUnicode(_name, curUnicode, startUnicode) || [curUnicode]) : [curUnicode];
+
+      if (_startUnicode) startUnicode = _startUnicode;
+
+      const unicode: string[] = [_curUnicode];
+      startUnicode++;
+      UnicodeObj[_name] = unicode[0];
+      if (!!options.useNameAsUnicode)  {
+        unicode[0] = _name;
+        UnicodeObj[_name] = _name;
+      }
+      glyph.metadata = { unicode , name: _name };
       fontStream.write(glyph);
     }
 
@@ -63,6 +77,7 @@ export function createSVG(options: SvgToFontOptions = {}): Promise<Record<string
     fontStream.end();
   });
 }
+
 /**
  * Converts a string to pascal case.
  * 
@@ -135,17 +150,6 @@ export async function createTypescript(options: Omit<SvgToFontOptions, 'typescri
   log.log(`${color.green('SUCCESS')} Created ${DIST_PATH}`);
 }
 
-/*
- * Get icon unicode
- * @return {Array} unicode array
- */
-function getIconUnicode(name: string, useNameAsUnicode: boolean) {
-  let unicode = !useNameAsUnicode ? String.fromCharCode(startUnicode++) : name;
-  UnicodeObj[name] = unicode;
-  return [unicode];
-}
-
-
 /**
  * SVG font to TTF
  */