typescript-util/esm/tool/FileTool.js

JS/TS 的简单工具

import { StrUtil } from '../util/StrUtil';
/**
 * FileTool
 * @author 冰凝
 * @date 2022-09-19 10:03:15
 **/
export class FileTool {
    /**
     * 获取文件扩展名
     */
    static getExpandedName(fileName) {
        if (StrUtil.isEmpty(fileName)) {
            return StrUtil.EMPTY;
        }
        return fileName.substring(fileName.indexOf(StrUtil.DO));
    }
    /**
     * 指定 size < sizeTarget
     * @param {number} size 待判断字节数
     * @param {number} sizeTarget 目标大小
     * @param {FileSizeEnum} e sizeTarget 单位
     * @return {boolean} size < sizeTarget * e
     */
    static lessThan(size, sizeTarget, e) {
        return size < sizeTarget * e;
    }
}
/**
 * @see StorageUnit
 */
export var FileSizeEnum;
(function (FileSizeEnum) {
    FileSizeEnum[FileSizeEnum["KB"] = 1024] = "KB";
    FileSizeEnum[FileSizeEnum["MB"] = 1048576] = "MB";
    FileSizeEnum[FileSizeEnum["GB"] = 1073741824] = "GB";
    FileSizeEnum[FileSizeEnum["TB"] = 0] = "TB";
})(FileSizeEnum || (FileSizeEnum = {}));
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