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    @oneflow/loopback-component-primus

    1.0.9 • Public • Published

    loopback-component-primus

    Primus adapter for loopback. It allows you to call loopback's remote methods via websocket.

    Getting Started

    npm install --save @oneflow/loopback-component-primus

    Add the loopback-component-primus component to the server/component-config.json:

    "@oneflow/loopback-component-primus": {}

    A small change is needed in the server/server.js file, replace:

    app.start();

    with:

    app.server = app.start();

    Usage

    Call remote methods

    The primus client library is exposed at the URL http://<LOOPBACK_URL>/primus/primus.js You will need to import it in your html:

    <script type="text/javascript" src="http://<LOOPBACK_URL>/primus/primus.js"></script>

    Then, in your code:

    const primus = new Primus({
    	url: 'http://<LOOPBACK_URL>',
    });

    Now you will be able to call remote methods using primus.send('invoke', {...});

    // Call prototype method:
    
    primus.send('invoke', {
    		methodString: 'color.prototype.patchAttributes',
    		args: {
    			id: 1,
    			data: { name: 'black' }
    		},
    	}, function (err, data) {
    		if (err) {
    			return alert('Error from server: ' + JSON.stringify(err));
    		}
    
    		alert('Record updated: ' + JSON.stringify(data));
    	});
    		
    // Call static method:
    primus.send('invoke', {
    		methodString: 'color.find',
    		args: {
    			filter: {
    				where: {
    					name: 'black'
    				}
    			}
    		},
    	}, function (err, data) {
    		if (err) return alert('Error from server: ' + JSON.stringify(err));
    	
    		alert('Find results: ' + JSON.stringify(data));
    	});
    Spark

    You can find the spark property, in the ctx object.

    Keywords

    none

    Install

    npm i @oneflow/loopback-component-primus

    DownloadsWeekly Downloads

    2

    Version

    1.0.9

    License

    ISC

    Unpacked Size

    25.9 kB

    Total Files

    20

    Last publish

    Collaborators

    • oneflow-systems