Add number type to fontWeight & fontWeightBold options

src/common/services/OptionsService.ts

@@ -3,7 +3,7 @@
  * @license MIT
  */
 
-import { IOptionsService, ITerminalOptions, IPartialTerminalOptions } from 'common/services/Services';
+import { IOptionsService, ITerminalOptions, IPartialTerminalOptions, FontWeight } from 'common/services/Services';
 import { EventEmitter, IEvent } from 'common/EventEmitter';
 import { isMac } from 'common/Platform';
 import { clone } from 'common/Clone';
@@ -56,6 +56,8 @@ export const DEFAULT_OPTIONS: ITerminalOptions = Object.freeze({
   cancelEvents: false
 });
 
+const FONT_WEIGHT_OPTIONS: Extract<FontWeight, string>[] = ['normal', 'bold', '100', '200', '300', '400', '500', '600', '700', '800', '900'];
+
 /**
  * The set of options that only have an effect when set in the Terminal constructor.
  */
@@ -109,14 +111,20 @@ export class OptionsService implements IOptionsService {
     switch (key) {
       case 'bellStyle':
       case 'cursorStyle':
-      case 'fontWeight':
-      case 'fontWeightBold':
       case 'rendererType':
       case 'wordSeparator':
         if (!value) {
           value = DEFAULT_OPTIONS[key];
         }
         break;
+      case 'fontWeight':
+      case 'fontWeightBold':
+        if (typeof value === 'number' && 1 <= value && value <= 1000) {
+          // already valid numeric value
+          break;
+        }
+        value = FONT_WEIGHT_OPTIONS.indexOf(value) !== -1 ? value : DEFAULT_OPTIONS[key];
+        break;
       case 'cursorWidth':
         value = Math.floor(value);
         // Fall through for bounds check

src/common/services/Services.ts

@@ -179,7 +179,7 @@ export interface IOptionsService {
   getOption<T>(key: string): T | undefined;
 }
 
-export type FontWeight = 'normal' | 'bold' | '100' | '200' | '300' | '400' | '500' | '600' | '700' | '800' | '900';
+export type FontWeight = 'normal' | 'bold' | '100' | '200' | '300' | '400' | '500' | '600' | '700' | '800' | '900' | number;
 export type LogLevel = 'debug' | 'info' | 'warn' | 'error' | 'off';
 export type RendererType = 'dom' | 'canvas';