Problems encountered in installing canvas and errors encountered in running the project

1.mac Installation problems

1） The first step is to use brew install ：brew install pkg-config cairo pango libpng jpeg giflib librsvg

         If the above command is installed incorrectly , It can be installed separately （ recommend ）

        brew install pkg-config

        brew install cairo

        brew install pango

        brew install libpng

        brew install jpeg

        brew install giflib

        brew install librsvg

         For details, please refer to the official website ：

GitHub - Automattic/node-canvas: Node canvas is a Cairo backed Canvas implementation for NodeJS.Node canvas is a Cairo backed Canvas implementation for NodeJS. - GitHub - Automattic/node-canvas: Node canvas is a Cairo backed Canvas implementation for NodeJS.https://github.com/Automattic/node-canvashttps://github.com/Automattic/node-canvas/wiki/https://github.com/Automattic/node-canvas/wiki/         After installation , You can use commands ：brew list Check to see if they are all installed

2） The second step is to install canvas

        npm instal canvas

         After installation , Use command ：npm list Check to see if... Is installed canvas

2. An error is reported in the operation item ：

Error: Cannot find module '/Users/ymxx/xx/xx/xx/node_modules/canvas'
Solution ：

Will be installed canvas（ Location ：usr/local/lib/node_modules/node-canvas） Copy to the project -node_modules below , And changed his name to canvas（ The name is the same as in the project ）

3. Operation item error report II ：

Error: Cannot find module '../build/Release/canvas.node'

Solution ：

Open the terminal in the current project

Execute first ：npm uninstall canvas

Install again ：npm i canvas

After installation, use the command ：npm list Check whether it has been successfully installed in this project

Finally, reinitialize ：yarn install

Project started successfully ！