babel使用指南

[zhouzhongyuan]

• repl： Read-Eval-Print-Loop
• stage-0
• stage-1
• stage-2
• stage-3

[zhouzhongyuan]

Lookup behavior

Babel will look for a .babelrc in the current directory of the file being transpiled. If one does not exist, it will travel up the directory tree until it finds either a .babelrc, or a package.json with a "babel": {} hash within.

Use "babelrc": false in options to stop lookup behavior, or provide the --no-babelrc CLI flag.

[zhouzhongyuan]

shim vs polyfill

• A shim is a library that brings a new(own) API to an older environment, using only the means of that environment.
• A polyfill is a shim for a browser API.

[zhouzhongyuan]

• repl
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• facebook/regenerator