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