如何将package.json中的每个依赖项更新为最新版本？ [英] How do I update each dependency in package.json to the latest version?

问题描述

我从另一个项目中复制了package.json，现在想要将所有依赖项添加到他们的最新版本，因为这是一个新项目，如果它中断，我不介意修复它。

I copied package.json from another project and now want to bump all of the dependencies to their latest versions since this is a fresh project and I don't mind fixing something if it breaks.

最简单的方法是什么？

我现在知道的最好方法是运行 npm info express version 然后为每个人手动更新package.json。必须有更好的方法。

The best way I know of now is to run npm info express version then update package.json manually for each one. There must be a better way.

{
  "name": "myproject",
  "description": "my node project",
  "version": "1.0.0",
  "engines": {
    "node": "0.8.4",
    "npm": "1.1.65"
  },
  "private": true,
  "dependencies": {
    "express": "~3.0.3", // how do I get these bumped to latest?
    "mongodb": "~1.2.5",
    "underscore": "~1.4.2",
    "rjs": "~2.9.0",
    "jade": "~0.27.2",
    "async": "~0.1.22"
  }
}

---

我现在是 npm-check-updates ，这是解决这个问题的绝佳方法。

---

I am now a collaborator on npm-check-updates, which is a great solution to this problem.

推荐答案

看起来像 npm-check-updates 是现在实现这一目标的唯一方法。

Looks like npm-check-updates is the only way to make this happen now.

npm i -g npm-check-updates
ncu -u
npm install

---

在npm< 3.11：

---

On npm <3.11:

只需将每个依赖项的版本更改为 * ，然后运行 npm update --save 。 （注意： 在最近的（3.11）版本的npm中被打破 ）。

Simply change every dependency's version to *, then run npm update --save. (Note: broken in recent (3.11) versions of npm).

之前：

  "dependencies": {
    "express": "*",
    "mongodb": "*",
    "underscore": "*",
    "rjs": "*",
    "jade": "*",
    "async": "*"
  }

之后：

  "dependencies": {
    "express": "~3.2.0",
    "mongodb": "~1.2.14",
    "underscore": "~1.4.4",
    "rjs": "~2.10.0",
    "jade": "~0.29.0",
    "async": "~0.2.7"
  }

---

当然，这是更新依赖关系的直言不讳。如果—正如你所说的那样，那就没关系了......项目是空的，没有任何东西可以破坏。

---

Of course, this is the blunt hammer of updating dependencies. It's fine if—as you said—the project is empty and nothing can break.

另一方面，如果你在一个更成熟的项目中工作，你可能想要在升级之前验证依赖项中是否有重大更改。

On the other hand, if you're working in a more mature project, you probably want to verify that there are no breaking changes in your dependencies before upgrading.

要查看哪些模块已过时，只需运行 npm已过时 。它将列出任何已安装的具有更新版本的依赖项。

To see which modules are outdated, just run npm outdated. It will list any installed dependencies that have newer versions available.

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