@sertxudeveloper/markdown-editor/src/plugins/underline/Underline.ts

A customizable markdown editor for your projects

import BlockStyle from '../BlockStyle';
import Plugin from '../Plugin';

import icon from './icon.svg';

export default class Underline extends Plugin {
    getKey(): string {
        return 'underline';
    }

    getIcon(): string {
        return icon;
    }

    getTitle(): string {
        return 'Underline (Ctrl+U)';
    }

    onKeyDown(event: KeyboardEvent): void {
        if (event.ctrlKey && event.key === 'u') {
            event.preventDefault();
            this.execute();
        }
    }

    execute(value: string = ''): void {
        if (!this.editor.textarea) return;
        const textarea = this.editor.textarea;

        BlockStyle.applyStyle(textarea, { prefix: '<u>', suffix: '</u>', trimFirst: true });
    }
}