error Couldn’t find a package.json file in “E:\\wwwroot\\shopify-theme-app-extension\\20221012” info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

1、执行：yarn shopify app generate extension 时，报错：error Couldn’t find a package.json file in “E:\\wwwroot\\shopify-theme-app-extension\\20221012”
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.。如图1

图1

PS E:\wwwroot\shopify-theme-app-extension\20221012> yarn shopify app generate extension
yarn run v1.22.15
error Couldn't find a package.json file in "E:\\wwwroot\\shopify-theme-app-extension\\20221012"
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

2、参考：https://classic.yarnpkg.com/en/docs/cli/init 。以交互方式创建或更新 package.json 文件。执行：yarn init。如图2

图2

PS E:\wwwroot\shopify-theme-app-extension\20221012> yarn init
yarn init v1.22.15
question name (20221012):
question version (1.0.0):
question description: 20221012
question entry point (index.js):
question repository url:
question author: Qiang Wang
question license (MIT):
question private:
success Saved package.json
Done in 39.35s.

3、查看生成的 package.json 文件

{
  "name": "20221012",
  "version": "1.0.0",
  "description": "20221012",
  "main": "index.js",
  "author": "Qiang Wang",
  "license": "MIT"
}

4、报错：error Couldn’t find a package.json file 已经消失。

PS E:\wwwroot\shopify-theme-app-extension\20221012> yarn shopify app generate extension
yarn run v1.22.15
error Command "shopify" not found.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.

5、参考：使用 Shopify CLI 构建主题应用扩展：https://www.shuijingwanwq.com/2022/10/25/7106/。