qw-utils-vanguard/dist/ts/clipboardUtils.js

qw Utils package

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.clipboardUtils = void 0;
const clipboard_1 = __importDefault(require("clipboard"));
const cryptoUtils_1 = require("./cryptoUtils");
/**
 * 剪贴板工具类
 */
class clipboardUtils {
    constructor() {
        /**
         * 复制文本到剪贴板
         * @param text 文本内容
         */
        this.copyText = (text) => {
            return new Promise((resolve, reject) => {
                const fakeElement = document.createElement('button');
                const clipboard = new clipboard_1.default(fakeElement, {
                    text: () => text,
                    action: () => 'copy',
                    container: document.body
                });
                clipboard.on('success', (e) => {
                    clipboard.destroy();
                    resolve(e);
                });
                clipboard.on('error', (e) => {
                    clipboard.destroy();
                    reject(e);
                });
                document.body.appendChild(fakeElement);
                fakeElement.click();
                document.body.removeChild(fakeElement);
            });
        };
        // 读取剪贴板
        this.readClipboard = () => {
            return new Promise((resolve, reject) => {
                var _a;
                if ((_a = navigator.clipboard) === null || _a === void 0 ? void 0 : _a.readText) {
                    navigator.clipboard.readText().then((text) => {
                        if (!text)
                            reject('剪贴板为空或者不包含文本');
                        return resolve(text);
                    });
                }
                else
                    reject('浏览器不支持或禁止访问剪贴板，请使用快捷键 Ctrl + V');
            });
        };
        // 解析加密后的剪贴板内容
        this.pasteCustomClipboardString = (text) => {
            let clipboardData;
            try {
                clipboardData = JSON.parse(new cryptoUtils_1.cryptoUtils().decrypt(text));
            }
            catch (_a) {
                clipboardData = text;
            }
            return clipboardData;
        };
        // 尝试解析剪贴板内容是否为Excel表格（或类似的）数据格式
        this.pasteExcelClipboardString = (text) => {
            const lines = text.split('\r\n');
            if (lines[lines.length - 1] === '')
                lines.pop();
            let colCount = -1;
            const data = [];
            for (const index in lines) {
                data[index] = lines[index].split('\t');
                if (data[index].length === 1)
                    return null;
                if (colCount === -1)
                    colCount = data[index].length;
                else if (colCount !== data[index].length)
                    return null;
            }
            return data;
        };
    }
}
exports.clipboardUtils = clipboardUtils;