transformNestedToSimple ：把 {a:{b:{c:222, d:222}, f: 3333}} 嵌套对象转换为： {"a.b.c" : 222, ”a.b.d“ : 222，”a.f“: 3333}；
[](https://www.npmjs.com/package/@aws-sdk/util-dynamodb) [](https://www.npmjs.com/package/@aws-sdk/util
Common Utils For React Component
Common Utils For React Component
The `util.is*` functions introduced in Node v0.12.
Utilities to help with endpoint resolution
[](https://www.npmjs.com/package/@aws-sdk/util-locate-window) [](https://www.npmjs.com/packag
Node.js's util module for all engines
unist utility to visit nodes
A parser to Amazon Resource Names
Node.JS util module
unist utility to recursively walk over nodes, with ancestral information
Utilities for working with Blob objects in the browser
unist utility to serialize a node, position, or point as a human readable location
unist utility to check if a node passes a test
JavaScript utilities for Vega.
mdast utility to serialize markdown
Utility functions
mdast utility to get the plain text content of a node
[](https://www.npmjs.com/package/@aws-sdk/util-user-agent-node) [](https://www.npmjs.com/
mdast utility to transform to hast
unist utility to get the position of a node
hast utility to check if a node is inter-element whitespace
mdast utility to check if a node is phrasing content