# React 源码阅读 - 环境准备
阅读源码之前, 先把准备工作做好~
# 下载代码
# --depth=1 只会下载最后一个 commit 关联的 object，下载内容更少，速度会快很多
git clone https://github.com/facebook/react.git --depth=1
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# 安装依赖
yarn
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安装中出现了一个问题
error /react/node_modules/gifsicle: Command failed.
Exit code: 1
Command: node lib/install.js
Arguments:
Directory: /react/node_modules/gifsicle
Output:
⚠ connect ECONNREFUSED 0.0.0.0:443
⚠ gifsicle pre-build test failed
ℹ compiling from source
✖ Error: Command failed: /bin/sh -c autoreconf -ivf
/bin/sh: autoreconf: command not found
at /react/node_modules/bin-build/node_modules/execa/index.js:231:11
at runMicrotasks (<anonymous>)
at processTicksAndRejections (internal/process/task_queues.js:95:5)
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使用 brew 安装解决
brew install autoconf automake libtool
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安装后重新执行 yarn 进行安装即可