解决打包时的内存泄漏

npm install -g increase-memory-limit

increase-memory-limit

这个包会在node_modules/.bin下的每个命令下，都加上--max-old-space-size=10240，比如

exec node  "$basedir/../jest/bin/jest.js" "$@"

执行increase-memory-limit后变成

exec node --max-old-space-size=10240  "$basedir/../jest/bin/jest.js" "$@"

参考：

1. https://blog.csdn.net/illa123/article/details/117790374
2. https://www.npmjs.com/package/increase-memory-limit