Cursor AgentandDaniel Imms
701c0affd5
Phase 1 of #5963: reorganize building blocks (buffer, parser, input, data, and shared utilities) under common/primitives/. Runtime code (services, public API, CoreTerminal, InputHandler) stays in place. Update import paths across browser, headless, addons, and tests. Add TypeScript path mappings so common/* aliases resolve primitives first, then the common root. Co-authored-by: Daniel Imms <Tyriar@users.noreply.github.com>
68 lines
1.3 KiB
TypeScript
68 lines
1.3 KiB
TypeScript
/**
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* Copyright (c) 2026 The xterm.js authors. All rights reserved.
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* @license MIT
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*/
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/**
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* Accumulates string data from multiple chunks without O(n²) string concatenation.
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*/
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export class StringBuilder {
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private _chunks: string[] = [];
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private _length = 0;
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public get length(): number {
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return this._length;
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}
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public reset(): void {
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this._chunks.length = 0;
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this._length = 0;
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}
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public append(chunk: string): void {
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this._chunks.push(chunk);
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this._length += chunk.length;
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}
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public toString(): string {
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return this._chunks.join('');
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}
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}
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/**
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* String builder that rejects payloads larger than a fixed limit.
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*/
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export class LimitedStringBuilder {
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private readonly _builder = new StringBuilder();
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constructor(private readonly _limit: number) { }
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public get length(): number {
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return this._builder.length;
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}
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public get limit(): number {
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return this._limit;
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}
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public reset(): void {
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this._builder.reset();
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}
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/**
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* @returns true if the limit was exceeded (buffer is cleared in that case)
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*/
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public append(chunk: string): boolean {
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this._builder.append(chunk);
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if (this._builder.length > this._limit) {
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this._builder.reset();
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return true;
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}
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return false;
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}
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public toString(): string {
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return this._builder.toString();
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}
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}
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