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59 lines
2.2 KiB
Markdown
59 lines
2.2 KiB
Markdown
# minimal-connector
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## Prerequisites
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- `node` and `npm` installed
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- a backend, which is running locally (e.g. on http://localhost:3000)
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## How to get started
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To install all required `npm` packages:
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```shell script
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npm install
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```
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To prepare the script to be executed, run:
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```shell script
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npm run build
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```
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To start the plugin, you need to execute the code in "CLI" script:
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```shell script
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node lib/cli.js -b <backendURL> -n <pluginName> -r <routeName> -u <URL> -p <port>
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With fallback values being:
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backendURL = http://localhost:3000 , pluginName = minimal-plugin ,
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routeName = minimalplugin , URL = http://localhost, port = 4000
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```
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Using environment variables you can set backendURL via `STAPPS_BACKEND`, URL via `PLUGIN_URL` and port via `PLUGIN_URL`.
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## Creating your own plugin
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- Modify the default values in `cli.ts` to your needs:
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- update the name
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- update the port
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- update the route
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- update your request and response names (You need these in a bit)
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- Rename the `minimal-plugin.ts` and the `MinimalPlugin` class to a more suitable name and adjust the imports in other files
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- Delete the `sum` function in `minimal-plugin.ts` and write your own logic inside the `onRouteInvoke` function
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- Define the layout of your http requests and responses inside the `/plugin/protocol` folder. The names of the interfaces
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need to be the same as the request and response names you defined in the `cli.ts`
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## Code structure
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Folder `src` contains:
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- Reference implementations for CLI and a plugin
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- [/cli.ts](src/cli.ts)
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- minimal CLI to start your connector, that uses CLI-args, so that there are no hard coded values for configuration
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- will execute the specified connectors and push the data to the backend
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- [/common.ts](src/common.ts) blank file for commonly used values across files to put in
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- [/plugin/minimal-connector.ts](src/plugin/minimal-plugin.ts) minimal plugin class with some example logic
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- [/plugin/protocol/request.ts](src/plugin/protocol/request.ts) the interface for any incoming http requests
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- [/plugin/protocol/response.ts](src/plugin/protocol/response.ts) the interface for responses by the plugin to the backend
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- [/plugin/protocol/tsconfig.json](src/plugin/protocol/response.ts) required by schema generator
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