24 lines
527 B
TypeScript
24 lines
527 B
TypeScript
import { Color, Display } from "./display.ts";
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/**
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* ANSI terminal display
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*/
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export class AnsiTerminalDisplay implements Display {
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constructor(private writer: Deno.Writer = Deno.stdout) {
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}
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async setupPalette(colors: readonly Color[]): Promise<readonly Color[]> {
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return colors;
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}
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async clear(): Promise<void> {
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await this.writer.write(CLEAR);
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}
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}
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function escape(sequence: string): Uint8Array {
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return new Uint8Array([0x1B, ...new TextEncoder().encode(sequence)]);
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}
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const CLEAR = escape("[2J");
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