Start to refactor search highlighting to better match hecto implementation

src/common/document.ts

@@ -174,6 +174,12 @@ export class Document {
 		this.dirty = true;
 	}
 
+	public highlight(searchMatch?: string): void {
+		this.#rows.forEach((row) => {
+			row.update(searchMatch);
+		});
+	}
+
 	/**
 	 * Delete the specified row
 	 * @param at - the index of the row to delete

src/common/row.ts

@@ -189,14 +189,32 @@ export class Row {
 		return this.chars.join('');
 	}
 
-	public update(): void {
+	public update(searchMatch?: string): void {
 		const newString = this.chars.join('').replaceAll(
 			'\t',
 			' '.repeat(SCROLL_TAB_SIZE),
 		);
 
 		this.rchars = strChars(newString);
-		this.highlight();
+		this.highlight(searchMatch);
+	}
+
+	public highlight(searchMatch?: string): void {
+		const highlighting = [];
+
+		if (some(searchMatch)) {
+			// TODO: highlight search here
+		}
+
+		for (const ch of this.rchars) {
+			if (isAsciiDigit(ch)) {
+				highlighting.push(HighlightType.Number);
+			} else {
+				highlighting.push(HighlightType.None);
+			}
+		}
+
+		this.hl = highlighting;
 	}
 
 	public render(offset: number, len: number): string {
@@ -220,19 +238,6 @@ export class Row {
 
 		return result;
 	}
-
-	private highlight(): void {
-		const highlighting = [];
-		for (const ch of this.rchars) {
-			if (isAsciiDigit(ch)) {
-				highlighting.push(HighlightType.Number);
-			} else {
-				highlighting.push(HighlightType.None);
-			}
-		}
-
-		this.hl = highlighting;
-	}
 }
 
 export default Row;