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124 lines
3.2 KiB
Markdown
124 lines
3.2 KiB
Markdown
---
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title: Use the Redoc HTML element
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redirectFrom:
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- /docs/redoc/quickstart/html/
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---
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# How to use the Redoc HTML element
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## Step 1 - Install Redoc
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You can install Redoc using one of the following package managers:
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- [npm](https://docs.npmjs.com/about-npm)
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- [yarn](https://classic.yarnpkg.com/en/docs/getting-started)
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:::attention Initialize your package manager
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If you do not have a `package.json` file in your project directory,
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you need to add one by initializing npm or yarn in your project. Use the command `npm init` for npm,
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or `yarn init` for yarn. These initialization commands will lead you through the process
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of creating a `package.json` file in your project.
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For more information, see
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[Creating a package.json file](https://docs.npmjs.com/creating-a-package-json-file)
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in the npm documentation or [Yarn init](https://classic.yarnpkg.com/en/docs/cli/init/)
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in the yarn documentation.
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:::
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### Install Redoc with yarn
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After navigating to your project directory in your terminal, use the following command:
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```bash
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yarn add redoc
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```
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### Install Redoc with npm
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After navigating to your project directory in your terminal, use the following command:
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```bash
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npm i redoc
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```
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## Step 2 - Reference the Redoc script
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You can reference the Redoc script using either a link to the files hosted on a CDN
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or the files located in your `node modules` folder.
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### CDN link
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To reference the Redoc script with a CDN link:
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```html
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<script src="https://cdn.redoc.ly/redoc/latest/bundles/redoc.standalone.js"> </script>
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```
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### Node modules link
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To reference the Redoc script with a node modules link:
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```html
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<script src="node_modules/redoc/bundles/redoc.standalone.js"> </script>
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```
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## Step 3 - Add the <redoc> element
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You can add the <redoc> element to your HTML page and reference your OpenAPI
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definition using the `spec-url` attribute, or you can initialize Redoc using
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a globally exposed Redoc object.
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### The `spec-url` attribute
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To add the <redoc> element with the `spec-url` attribute:
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```html
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<redoc spec-url="url/to/your/spec"></redoc>
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```
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#### Examples
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```html
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<redoc spec-url="http://petstore.swagger.io/v2/swagger.json"></redoc>
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```
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You can also use a local file (JSON or YAML) in your project, for instance:
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```html
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<redoc spec-url="dist.json"></redoc>
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```
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### The Redoc object
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To add the <redoc> element with a globally exposed Redoc object:
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```js
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Redoc.init(specOrSpecUrl, options, element, callback)
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```
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- `specOrSpecUrl`: Either a JSON object with the OpenAPI definition or a URL to the
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definition in JSON or YAML format.
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- `options`: See [features.openapi object](/docs/api-reference-docs/configuration/functionality.mdx) reference.
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- `element`: DOM element Redoc will be inserted into.
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- `callback`(optional): Callback to be called after Redoc has been fully rendered.
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It is also called on errors with `error` as the first argument.
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#### Examples
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```html
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<script>
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Redoc.init('http://petstore.swagger.io/v2/swagger.json', {
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scrollYOffset: 50
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}, document.getElementById('redoc-container'))
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</script>
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```
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You can also use a local file (JSON or YAML) in your project, for instance:
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```html
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<script>
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Redoc.init('dist.yaml', {
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scrollYOffset: 50
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}, document.getElementById('redoc-container'))
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</script>
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```
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