50 lines
752 B
JavaScript
50 lines
752 B
JavaScript
import { chars } from './utils.ts';
|
|
|
|
export class Row {
|
|
chars: string[] = [];
|
|
|
|
constructor(s: string = '') {
|
|
this.chars = chars(s);
|
|
}
|
|
|
|
public toString(): string {
|
|
return this.chars.join('');
|
|
}
|
|
}
|
|
|
|
export class Document {
|
|
#rows: Row[];
|
|
|
|
private constructor() {
|
|
this.#rows = [];
|
|
}
|
|
|
|
get numrows(): number {
|
|
return this.#rows.length;
|
|
}
|
|
|
|
public static empty(): Document {
|
|
return new Document();
|
|
}
|
|
|
|
public static open(_filename: string): Document {
|
|
const doc = new Document();
|
|
const line = 'Hello, World!';
|
|
const row = new Row(line);
|
|
|
|
doc.#rows.push(row);
|
|
|
|
return doc;
|
|
}
|
|
|
|
public getRow(i: number): Row | null {
|
|
if (this.#rows[i] !== undefined) {
|
|
return this.#rows[i];
|
|
}
|
|
|
|
return null;
|
|
}
|
|
}
|
|
|
|
export default Document;
|