Function _addOptForItem

apps/json-format/format-lib.js:890–962

(el, show)

    // 给某个节点增加操作项
    let _addOptForItem = function (el, show) {
        if (!statusBarEnabled) {
            show = false;
        }

        // 下载json片段
        let fnDownload = function (event) {
            event.stopPropagation();

            let txt = getJsonText(el);
            // 下载片段
            let dt = (new Date()).format('yyyyMMddHHmmss');
            let blob = new Blob([txt], {type: 'application/octet-stream'});

            if (typeof chrome === 'undefined' || !chrome.permissions) {
                // 下载JSON的简单形式
                $(this).attr('download', 'FeHelper-' + dt + '.json').attr('href', URL.createObjectURL(blob));
            } else {
                // 请求权限
                chrome.permissions.request({
                    permissions: ['downloads']
                }, (granted) => {
                    if (granted) {
                        chrome.downloads.download({
                            url: URL.createObjectURL(blob),
                            saveAs: true,
                            conflictAction: 'overwrite',
                            filename: 'FeHelper-' + dt + '.json'
                        });
                    } else {
                        toast('必须接受授权，才能正常下载！');
                    }
                });
            }

        };

        // 复制json片段
        let fnCopy = function (event) {
            event.stopPropagation();
            _copyToClipboard(getJsonText(el));
        };

        // 删除json片段
        let fnDel = function (event) {
            event.stopPropagation();
            if (el.parent().is('#formattedJson')) {
                toast('如果连最外层的Json也删掉的话，就没啥意义了哦！');
                return false;
            }
            toast('节点已删除成功！');
            el.remove();
            jfStatusBar && jfStatusBar.hide();
        };

        $('.boxOpt').hide();
        if (show) {
            let jfOptEl = el.children('.boxOpt');