76 lines
2.8 KiB
JavaScript
76 lines
2.8 KiB
JavaScript
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/**
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* Copyright (c) 2018 Julian Knight (Totally Information)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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// JK Note: This code contributed by (Contributed by Laro88, https://github.com/Laro88)
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// Tidying done by JK. Also removed dependency on validator which is vastly OTT for just ensuring an integer
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// 2017-04-13
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// Node for Node-Red that humalizes a timespan msg.payload.[] //TODO whould this be extended to work on Date objects as well and if so how?
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// It is helpful when working with ui things that informs users of time since last operation etc.
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// require moment.js (must be installed from package.js as a dependency)
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var moment = require('moment-timezone');
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// Module name must match this nodes html file
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var moduleName = 'humanizer';
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module.exports = function(RED) {
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'use strict';
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// The main node definition - most things happen in here
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function nodeGo(config) {
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// Create a RED node
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RED.nodes.createNode(this,config);
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// Store local copies of the node configuration (as defined in the .html)
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this.topic = config.topic;
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this.input = config.input || 'payload'; // where to take the input from
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// copy "this" object in case we need it in context of callbacks of other functions.
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var node = this;
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// respond to inputs....
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node.on('input', function (msg) {
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'use strict'; // We will be using eval() so lets get a bit of safety using strict
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//console.log(this.input);
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var v = msg.payload.hasOwnProperty(this.input) ? msg.payload[this.input] : msg.payload;
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// JK: Replace validator with native JS INT check, improve warning message
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//v = v;
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//if( !validator.isInt(v) ) {
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if( ! Number.isInteger(v) ) {
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return node.warn('Invalid input for humanize call, input must be an integer');
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}
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// JK: Pass seconds to duration - remove *1000 ms conversion
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var _humanized = moment.duration(v, 'seconds').humanize();
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if(typeof(msg.payload) == 'object'){
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msg.payload.humanized = _humanized;
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}
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else{
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msg.payload = {'humanized':_humanized};
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}
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node.send(msg);
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});
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} // ---- end of nodeGo function ---- //
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// Register the node by name. This must be called before overriding any of the
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// Node functions.
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RED.nodes.registerType(moduleName,nodeGo);
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};
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