create better structure inspired by ObsidianTweaks'

src/SelectionHelper.ts

@@ -0,0 +1,63 @@
+import { App, Editor, EditorRange, EditorTransaction, MarkdownView } from 'obsidian'
+import BindThemPlugin from './main'
+import { selectionToLine, selectionToRange } from './Utils'
+
+/**
+ * SelectionHelper provides commands for manipulating text selections
+ */
+export class SelectionHelper {
+	public app: App
+	private plugin: BindThemPlugin
+
+	constructor(app: App, plugin: BindThemPlugin) {
+		this.app = app
+		this.plugin = plugin
+	}
+
+	/**
+	 * Select the current line(s)
+	 */
+	public selectLine(editor: Editor, view: MarkdownView): void {
+		const selections = editor.listSelections()
+
+		const newSelectionRanges: Array<EditorRange> = []
+		for (const selection of selections) {
+			const newSelection = selectionToLine(editor, selection)
+			newSelectionRanges.push(selectionToRange(newSelection))
+		}
+
+		const transaction: EditorTransaction = {
+			selections: newSelectionRanges,
+		}
+
+		editor.transaction(transaction, 'SelectionHelper_Line')
+	}
+
+	/**
+	 * Select the current word(s)
+	 */
+	public selectWord(editor: Editor, view: MarkdownView): void {
+		const selections = editor.listSelections()
+
+		const newSelections: Array<EditorRange> = []
+		for (const selection of selections) {
+			const range = selectionToRange(selection)
+
+			const wordStart = editor.wordAt(range.from)?.from ?? range.from
+			const wordEnd = editor.wordAt(range.to)?.to ?? range.from
+
+			const newSelection: EditorRange = {
+				from: { line: wordStart.line, ch: wordStart.ch },
+				to: { line: wordEnd.line, ch: wordEnd.ch },
+			}
+
+			newSelections.push(newSelection)
+		}
+
+		const transaction: EditorTransaction = {
+			selections: newSelections,
+		}
+
+		editor.transaction(transaction, 'SelectionHelper_Word')
+	}
+}