37 lines
796 B
JavaScript
37 lines
796 B
JavaScript
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let oldpath
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module.exports = function(RED) {
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function FirebaseAdmin(config) {
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RED.nodes.createNode(this, config);
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var node = this;
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if(config.cred){
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let c = RED.nodes.getNode(config.cred)
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this.admin = c.admin
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}
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const cb = (res)=>{
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console.log('firebase get result '+res)
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console.dir(res)
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let val = res.val()
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console.log('val='+val)
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node.send({payload:val})
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}
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node.on('input', function(msg) {
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if(msg && msg.payload){
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const path = msg.payload.path
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if(oldpath){
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this.admin.database().ref(oldpath).off('value', cb)
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}
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this.admin.database().ref(path).on('value', cb)
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oldpath = path
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}
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}.bind(this));
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}
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RED.nodes.registerType("rtdb-get", FirebaseAdmin);
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} |