安装了Immutable-ext:
const { List } = require("immutable-ext");
const one = ["one", "two", "three"];
const two = ["one", "four", "five"];
它返回此错误:
Error: Cannot find module 'immutable'
at Function.Module._resolveFilename (module.js:548:15)
at Function.Module._load (module.js:475:25)
at Module.require (module.js:597:17)
at require (internal/module.js:11:18)
at Object.<anonymous> (C:\Users\user\Desktop\functional\node_modules\immutable-ext\index.js:1:81)
at Module._compile (module.js:653:30)
at Object.Module._extensions..js (module.js:664:10)
at Module.load (module.js:566:32)
at tryModuleLoad (module.js:506:12)
at Function.Module._load (module.js:498:3)
有任何想法吗?
immutable-ext有immutable as a peer dependency。这意味着你必须自己安装immutable。
https://npm.github.io/using-pkgs-docs/package-json/types/peerdependencies.html:
注意:npm版本1和2将自动安装peerDependencies,如果它们未在依赖关系树中显式依赖于更高版本。在下一个主要版本的npm(npm @ 3)中,将不再是这种情况。您将收到一条警告,指出未安装peerDependency。