property-modeler

1.1.0 • Public • Published

This project aims to bring some level of data/type safety to NodeJS whilst allowing us to define clean data models.

Check out the tests for a clear picture of how powerful this is.

This is everything thrown together into one place for quick reference:

    var Modeler = require("../Modeler.js");
    var className = 'MyClassName';
 
    var ThisClass = function(json) {
        // Class Function definitions here:
        this.toString = function() {
          return this.PropertyName+" "+this.SomeOtherProperty;
        };
        
        // Class property definitions here:
        Modeler.extend(className, {
          [PropertyName]: {
            // all of these are optional!
            type: "SomeOtherClass",
            default: { DefaultValue },
            required: true,
            // filter will be run against all data entering this property
            filter: {
              { trim: true },
              { replace: ['test', 'TEST'] },
              { encode: 'base64' / 'json' / 'url' },
              { decode: 'base64' / 'json' / 'url' },
              { capitalise: true },
              { toMoney: true },
              { toUpperCase: true },
              { toLowerCase: true }
            },
            filter: function(v) {
              ...
              return v;
            },
            // validation will be run against all data entering this property,
            // AFTER the filter, AFTER type validation and BEFORE the value is set.
            // Failing validation will throw away the new data.
            validation: {
              isIn: ['list', 'of', 'values'],
              minlength: 2,
              maxlength: 4,
              before: new Date(),
              after: new Date(),
              regex: /regex/,
              looksLike: 'postcode' / 'email',
              min: 1,
              max: 100
            },
            validation: function(v) {
              ...
              return true / false;
            },
            mask: Modeler.GET | Modeler.SET | Modeler.HIDDEN | Modeler.ARRAY 
          },
          [NextProperty]: {
          .....
        }, this, json);
    };
 
    module.exports = ThisClass;
    Modeler.register(ThisClass, className);

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npm i property-modeler

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1.1.0

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  • hxoliverrumbelow