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freeCodeCamp/curriculum/challenges/chinese/05-back-end-development-and-apis/managing-packages-with-npm/manage-npm-dependencies-by-understanding-semantic-versioning.md
Shaun Hamilton c2a11ad00d feat: add 'back/front end' in curriculum (#42596)
* chore: rename APIs and Microservices to include "Backend" (#42515)

* fix typo

* fix typo

* undo change

* Corrected grammar mistake

Corrected a grammar mistake by removing a comma.

* change APIs and Microservices cert title

* update title

* Change APIs and Microservices certi title

* Update translations.json

* update title

* feat(curriculum): rename apis and microservices cert

* rename folder structure

* rename certificate

* rename learn Markdown

* apis-and-microservices -> back-end-development-and-apis

* update backend meta

* update i18n langs and cypress test

Co-authored-by: Shaun Hamilton <shauhami020@gmail.com>

* fix: add development to front-end libraries (#42512)

* fix: added-the-word-Development-to-front-end-libraries

* fix/added-the-word-Development-to-front-end-libraries

* fix/added-word-development-to-front-end-libraries-in-other-related-files

* fix/added-the-word-Development-to-front-end-and-all-related-files

* fix/removed-typos-from-last-commit-in-index.md

* fix/reverted-changes-that-i-made-to-dependecies

* fix/removed xvfg

* fix/reverted changes that i made to package.json

* remove unwanted changes

* front-end-development-libraries changes

* rename backend certSlug and README

* update i18n folder names and keys

* test: add legacy path redirect tests

This uses serve.json from the client-config repo, since we currently use
that in production

* fix: create public dir before moving serve.json

* fix: add missing script

* refactor: collect redirect tests

* test: convert to cy.location for stricter tests

* rename certificate folder to 00-certificates

* change crowdin config to recognise new certificates location

* allow translations to be used

Co-authored-by: Nicholas Carrigan (he/him) <nhcarrigan@gmail.com>

* add forwards slashes to path redirects

* fix cypress path tests again

* plese cypress

* fix: test different challenge

Okay so I literally have no idea why this one particular challenge
fails in Cypress Firefox ONLY. Tom and I paired and spun a full build
instance and confirmed in Firefox the page loads and redirects as
expected. Changing to another bootstrap challenge passes Cypress firefox
locally. Absolutely boggled by this.

AAAAAAAAAAAAAAA

* fix: separate the test

Okay apparently the test does not work unless we separate it into
a different `it` statement.

>:( >:( >:( >:(

Co-authored-by: Sujal Gupta <55016909+heysujal@users.noreply.github.com>
Co-authored-by: Noor Fakhry <65724923+NoorFakhry@users.noreply.github.com>
Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>
Co-authored-by: Nicholas Carrigan (he/him) <nhcarrigan@gmail.com>
2021-08-13 21:57:13 -05:00

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---
id: 587d7fb5367417b2b2512c01
title: 通过语义化版本来管理 npm 依赖关系
challengeType: 2
forumTopicId: 301529
dashedName: manage-npm-dependencies-by-understanding-semantic-versioning
---
# --description--
在 package.json 文件的依赖项中npm 包的 `Versions` 遵循语义化版本SemVerSemantic Versioning它是一种旨在使管理依赖项更加容易的软件版本控制的行业标准。 在 npm 上发布的库、框架或其它工具都应该使用语义化版本,以便让用户清晰地知道如果项目升级将带来哪些改变。
在使用外部依赖项(大多数情况都是这样)进行软件开发时,了解语义化版本会很有用。 这些数字保存着项目的偶然发生的破坏性改变,不会让人对项目昨天还正常,今天却无法运行而百思不解。 根据官网,这是语义化版本的工作方式:
```json
"package": "MAJOR.MINOR.PATCH"
```
当做了不兼容的 API 修改应该增加主版本号MAJOR 当新增了向下兼容的新功能时应该增加次版本号MINOR 当修复了向下兼容的 bug 时应该增加修订号PATCH。 这意味着修订号是用来修复错误的,次版本号则是添加了新功能,但它们都没有破坏之前的功能。 主版本号MAJOR是添加了不兼容早期版本的更改。
# --instructions--
在 package.json 文件的依赖项中,修改 moment 的`version`,让它的主版本是 2次版本号是 10修订号是 2。
# --hints--
“dependencies”字段应该包含“moment”
```js
(getUserInput) =>
$.get(getUserInput('url') + '/_api/package.json').then(
(data) => {
var packJson = JSON.parse(data);
assert.property(
packJson.dependencies,
'moment',
'"dependencies" does not include "moment"'
);
},
(xhr) => {
throw new Error(xhr.responseText);
}
);
```
“moment”的版本号应该是“2.10.2”
```js
(getUserInput) =>
$.get(getUserInput('url') + '/_api/package.json').then(
(data) => {
var packJson = JSON.parse(data);
assert.equal(
packJson.dependencies.moment,
'2.10.2',
'Wrong version of "moment". It should be 2.10.2'
);
},
(xhr) => {
throw new Error(xhr.responseText);
}
);
```
# --solutions--
```js
/**
Backend challenges don't need solutions,
because they would need to be tested against a full working project.
Please check our contributing guidelines to learn more.
*/
```