Function _normalizePreservedKey

apps/json-format/format-lib.js:1914–1923

(key)

    };

    let _normalizePreservedKey = function(key) {
        if (
            typeof window !== 'undefined' &&
            window.FHJsonAutoUtils &&
            typeof window.FHJsonAutoUtils.normalizePreservedKey === 'function'
        ) {
            return window.FHJsonAutoUtils.normalizePreservedKey(key);
        }
        return key;
    };

    // 工具函数：获取或创建唯一图片预览浮窗节点
    function getOrCreateImgPreview() {