@harryisfish/gitt/dist/display.js

这是一个命令行工具，用于帮助你管理 Git 仓库与远端仓库，如保持同步、推送、拉取等。

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.display = void 0;
const readline_1 = require("readline");
// ANSI 转义序列
const CLEAR_SCREEN = '\x1b[2J';
const CLEAR_SCREEN_AND_SCROLLBACK = '\x1b[2J\x1b[3J';
const MOVE_TO_TOP = '\x1b[H';
const SAVE_CURSOR = '\x1b[s';
const RESTORE_CURSOR = '\x1b[u';
const HIDE_CURSOR = '\x1b[?25l';
const SHOW_CURSOR = '\x1b[?25h';
const ALTERNATE_SCREEN_BUFFER = '\x1b[?1049h';
const NORMAL_SCREEN_BUFFER = '\x1b[?1049l';
class DisplayManager {
    constructor() {
        this.statusSection = [];
        this.menuSection = [];
        this.dividerLine = '';
        this.isLoading = true;
        this.isDetailedView = false;
        // 获取终端大小
        this.terminalSize = { rows: process.stdout.rows, columns: process.stdout.columns };
        // 创建分隔线
        this.updateDividerLine();
        // 计算上下区域的大小 - 状态区域只占一行
        this.statusHeight = 1;
        this.menuHeight = this.terminalSize.rows - this.statusHeight - 1;
        // 监听终端大小变化
        process.stdout.on('resize', () => {
            this.terminalSize = { rows: process.stdout.rows, columns: process.stdout.columns };
            this.updateDividerLine();
            this.menuHeight = this.terminalSize.rows - this.statusHeight - 1;
            if (!this.isDetailedView) {
                this.redrawScreen();
            }
        });
    }
    updateDividerLine() {
        this.dividerLine = '─'.repeat(this.terminalSize.columns);
    }
    // 清屏并初始化显示区域
    initDisplay() {
        // 切换到备用屏幕缓冲区，实现全屏模式
        process.stdout.write(ALTERNATE_SCREEN_BUFFER);
        process.stdout.write(CLEAR_SCREEN_AND_SCROLLBACK + MOVE_TO_TOP);
        process.stdout.write(HIDE_CURSOR);
        this.drawDivider();
        this.showLoadingStatus();
        // 确保程序退出时恢复终端状态
        process.on('exit', () => {
            process.stdout.write(SHOW_CURSOR);
            process.stdout.write(NORMAL_SCREEN_BUFFER);
        });
    }
    // 绘制分隔线
    drawDivider() {
        process.stdout.write(SAVE_CURSOR);
        process.stdout.write(`\x1b[${this.statusHeight + 1}H${this.dividerLine}`);
        process.stdout.write(RESTORE_CURSOR);
    }
    // 显示加载状态
    showLoadingStatus() {
        if (this.isLoading) {
            process.stdout.write(MOVE_TO_TOP);
            process.stdout.write('正在获取仓库信息...\n');
        }
    }
    // 更新状态区域内容
    updateStatus(lines) {
        this.isLoading = false;
        this.statusSection = lines;
        this.refreshStatus();
    }
    // 更新简洁状态栏
    updateCompactStatus(branchName, uncommittedChanges, ahead, behind) {
        this.isLoading = false;
        const statusLine = `🌿 ${branchName} | 📝 ${uncommittedChanges} | ⬆️ ${ahead} | ⬇️ ${behind}`;
        this.statusSection = [statusLine];
        this.refreshStatus();
    }
    // 显示详细状态信息
    showDetailedStatus(lines) {
        this.isDetailedView = true;
        process.stdout.write(CLEAR_SCREEN + MOVE_TO_TOP);
        lines.forEach(line => {
            process.stdout.write(line + '\n');
        });
        process.stdout.write('\n按任意键返回主菜单...');
        // 监听一次按键事件
        process.stdin.setRawMode(true);
        process.stdin.once('data', () => {
            process.stdin.setRawMode(false);
            this.isDetailedView = false;
            this.redrawScreen();
        });
    }
    // 刷新状态区域显示
    refreshStatus() {
        process.stdout.write(SAVE_CURSOR);
        process.stdout.write(MOVE_TO_TOP);
        // 清空状态区域
        for (let i = 0; i < this.statusHeight; i++) {
            (0, readline_1.clearLine)(process.stdout, 0);
            process.stdout.write('\n');
        }
        // 重新显示状态信息
        process.stdout.write(MOVE_TO_TOP);
        this.statusSection.forEach(line => {
            process.stdout.write(line + '\n');
        });
        process.stdout.write(RESTORE_CURSOR);
    }
    // 重绘整个屏幕
    redrawScreen() {
        process.stdout.write(CLEAR_SCREEN + MOVE_TO_TOP);
        this.drawDivider();
        this.refreshStatus();
        this.prepareForMenu();
    }
    // 准备菜单区域
    prepareForMenu() {
        // 将光标移动到分隔线下方
        process.stdout.write(`\x1b[${this.statusHeight + 2}H`);
        // 清除菜单区域
        for (let i = this.statusHeight + 2; i < this.terminalSize.rows; i++) {
            process.stdout.write(`\x1b[${i}H`);
            (0, readline_1.clearLine)(process.stdout, 0);
        }
        // 重新定位到菜单开始位置
        process.stdout.write(`\x1b[${this.statusHeight + 2}H`);
    }
    // 显示错误信息
    showError(message) {
        const currentPos = process.stdout.rows;
        process.stdout.write(`\x1b[${currentPos}H\x1b[31m${message}\x1b[0m\n`);
    }
}
exports.display = new DisplayManager();