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Monorepo for Aesthetic.Computer aesthetic.computer
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JavaScript
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748export const MOUSE_ON = "\x1b[?1003h\x1b[?1006h";export const MOUSE_OFF = "\x1b[?1003l\x1b[?1006l";
export function mouseEvent(token) { const match = /^\x1b\[<(\d+);(\d+);(\d+)([Mm])$/.exec(token); if (!match) return null; const [, code, x, y, end] = match; const button = Number(code); const held = button & 3; return { x: Number(x), y: Number(y), motion: Boolean(button & 32), wheel: button & 64 ? (button & 1 ? 1 : -1) : 0, click: end === "M" && button === 0, // The three moments of a drag: the left button going down, moving while // it is down, and coming up — what a selection is made of. press: end === "M" && button === 0, drag: end === "M" && Boolean(button & 32) && held === 0 && !(button & 64), release: end === "m" && (held === 0 || held === 3) && !(button & 64) };}
// Keep split terminal escape sequences intact between stdin chunks.export class InputDecoder { pending = ""; push(chunk) { this.pending += chunk; const tokens = []; while (this.pending) { if (this.pending.startsWith("\x1b[")) { const match = /^\x1b\[[0-?]*[ -/]*[@-~]/.exec(this.pending); if (!match) break; tokens.push(match[0]); this.pending = this.pending.slice(match[0].length); } else if (this.pending === "\x1b") { break; } else { const token = String.fromCodePoint(this.pending.codePointAt(0)); tokens.push(token); this.pending = this.pending.slice(token.length); } } return tokens; } escape() { if (this.pending !== "\x1b") return []; this.pending = ""; return ["\x1b"]; }}