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docs: update documentation for res.type() (#1783)

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Signed-off-by: Dustin Popp <dustinpopp@ibm.com>
This commit is contained in:
Dustin Popp
2025-02-11 08:59:14 -06:00
committed by GitHub
parent 7e8920812a
commit d63a98b129
3 changed files with 20 additions and 1 deletions
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2
_includes/api/en/4x/res-type.md
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@@ -14,3 +14,5 @@ res.type('application/json')
res.type('png')
// => 'image/png'
```
Aliased as `res.contentType(type)`.

4
_includes/api/en/5x/res-type.md
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@@ -1,6 +1,6 @@
<h3 id='res.type'>res.type(type)</h3>
Sets the `Content-Type` HTTP header to the MIME type as determined by the specified `type`. If `type` contains the "/" character, then it sets the `Content-Type` to the exact value of `type`, otherwise it is assumed to be a file extension and the MIME type is looked up in a mapping using the `express.static.mime.lookup()` method.
Sets the `Content-Type` HTTP header to the MIME type as determined by the specified `type`. If `type` contains the "/" character, then it sets the `Content-Type` to the exact value of `type`, otherwise it is assumed to be a file extension and the MIME type is looked up using the `contentType()` method of the `mime-types` package.
```js
res.type('.html') // => 'text/html'
@@ -9,3 +9,5 @@ res.type('json') // => 'application/json'
res.type('application/json') // => 'application/json'
res.type('png') // => image/png:
```
Aliased as `res.contentType(type)`.

15
en/guide/migrating-5.md
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@@ -37,6 +37,7 @@ You can then run your automated tests to see what fails, and fix problems accord
<li><a href="#res.send.body">res.send(body, status)</a></li>
<li><a href="#res.send.status">res.send(status)</a></li>
<li><a href="#res.sendfile">res.sendfile()</a></li>
<li><a href="#express.static.mime">express.static.mime</a></li>
</ul>
**Changed**
@@ -262,6 +263,20 @@ app.get('/user', (req, res) => {
})
```
<h4 id="express.static.mime">express.static.mime</h4>
In Express 5, `mime` is no longer an exported property of the `static` field.
Use the [`mime-types` package](https://github.com/jshttp/mime-types) to work with MIME type values.
```js
// v4
express.static.mime.lookup('json')
// v5
const mime = require('mime-types')
mime.lookup('json')
```
<h3>Changed</h3>
<h4 id="path-syntax">Path route matching syntax</h4>