dl-> https://pan.baidu.com/s/1qXANewO
下下来后请放置到

~/.rncache

目录

比如你可以打开终端，输入

井号表示注释，不要复制井号开头的句子

进入~目录，即用户目录

cd ~

创建目录，如果已经存在就不用创建了

mkdir .rncache

复制文件

cp ~/Downloads/boost_1_63_0.tar.gz ~/.rncache/

Running into the same issue here after upgrading from 0.44. None of the above solutions or clearing caches did the trick for me. Here's what I did to get things working again:

In the Terminal, navigate to the react-native/third-party/glog folder inside node_modules (for me, this was cd node_modules/react-native/third-party/glog-0.3.4)
Once actively in this folder, run ../../scripts/ios-configure-glog.sh
Glog is configured and the required config.h header file is created for Xcode to find

metro-bundler jsTransformer index.js

execArgv: ["--max_old_space_size=6000"],