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53 lines
2.5 KiB
TypeScript
53 lines
2.5 KiB
TypeScript
import Plugin from '../Plugin';
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import { ContentScriptType } from './types';
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export default class JoplinContentScripts {
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private plugin: Plugin;
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public constructor(plugin: Plugin) {
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this.plugin = plugin;
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}
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/**
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* Registers a new content script. Unlike regular plugin code, which runs in
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* a separate process, content scripts run within the main process code and
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* thus allow improved performances and more customisations in specific
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* cases. It can be used for example to load a Markdown or editor plugin.
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*
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* Note that registering a content script in itself will do nothing - it
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* will only be loaded in specific cases by the relevant app modules (eg.
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* the Markdown renderer or the code editor). So it is not a way to inject
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* and run arbitrary code in the app, which for safety and performance
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* reasons is not supported.
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*
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* The plugin generator provides a way to build any content script you might
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* want to package as well as its dependencies. See the [Plugin Generator
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* doc](https://github.com/laurent22/joplin/blob/dev/packages/generator-joplin/README.md)
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* for more information.
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*
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* * [View the renderer demo plugin](https://github.com/laurent22/joplin/tree/dev/packages/app-cli/tests/support/plugins/content_script)
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* * [View the editor demo plugin](https://github.com/laurent22/joplin/tree/dev/packages/app-cli/tests/support/plugins/codemirror_content_script)
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*
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* See also the [postMessage demo](https://github.com/laurent22/joplin/tree/dev/packages/app-cli/tests/support/plugins/post_messages)
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*
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* @param type Defines how the script will be used. See the type definition for more information about each supported type.
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* @param id A unique ID for the content script.
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* @param scriptPath Must be a path relative to the plugin main script. For example, if your file content_script.js is next to your index.ts file, you would set `scriptPath` to `"./content_script.js`.
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*/
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public async register(type: ContentScriptType, id: string, scriptPath: string) {
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return this.plugin.registerContentScript(type, id, scriptPath);
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}
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/**
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* Listens to a messages sent from the content script using postMessage().
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* See {@link ContentScriptType} for more information as well as the
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* [postMessage
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* demo](https://github.com/laurent22/joplin/tree/dev/packages/app-cli/tests/support/plugins/post_messages)
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*/
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public async onMessage(contentScriptId: string, callback: any) {
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this.plugin.onContentScriptMessage(contentScriptId, callback);
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}
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}
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