udpate: 增加 sub sup 解析规则

plugins/sub/src/index.ts

@@ -1,4 +1,10 @@
-import { MarkPlugin, PluginOptions } from '@aomao/engine';
+import {
+	$,
+	ConversionFromValue,
+	ConversionToValue,
+	MarkPlugin,
+	PluginOptions,
+} from '@aomao/engine';
 
 export interface SubOptions extends PluginOptions {
 	hotkey?: string | Array<string>;
@@ -11,6 +17,26 @@ export default class<T extends SubOptions = SubOptions> extends MarkPlugin<T> {
 		return 'sub';
 	}
 
+	conversion(): { from: ConversionFromValue; to: ConversionToValue }[] {
+		return [
+			{
+				from: (name, style) => {
+					return (
+						name === 'span' &&
+						(style['vertical-align'] || '') === 'sub'
+					);
+				},
+				to: (_, style, attrs) => {
+					const newNode = $(`<${this.tagName} />`);
+					delete style['vertical-align'];
+					newNode.css(style);
+					newNode.attributes(attrs);
+					return newNode;
+				},
+			},
+		];
+	}
+
 	hotkey() {
 		return this.options.hotkey || 'mod+,';
 	}

plugins/sup/src/index.ts

@@ -1,4 +1,10 @@
-import { MarkPlugin, PluginOptions } from '@aomao/engine';
+import {
+	$,
+	ConversionFromValue,
+	ConversionToValue,
+	MarkPlugin,
+	PluginOptions,
+} from '@aomao/engine';
 
 export interface SupOptions extends PluginOptions {
 	hotkey?: string | Array<string>;
@@ -11,6 +17,26 @@ export default class<T extends SupOptions = SupOptions> extends MarkPlugin<T> {
 		return 'sup';
 	}
 
+	conversion(): { from: ConversionFromValue; to: ConversionToValue }[] {
+		return [
+			{
+				from: (name, style) => {
+					return (
+						name === 'span' &&
+						(style['vertical-align'] || '') === 'super'
+					);
+				},
+				to: (_, style, attrs) => {
+					const newNode = $(`<${this.tagName} />`);
+					delete style['vertical-align'];
+					newNode.css(style);
+					newNode.attributes(attrs);
+					return newNode;
+				},
+			},
+		];
+	}
+
 	markdown =
 		this.options.markdown === undefined ? '^' : this.options.markdown;