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    Core.js EventTypes.js Kronicle.js Module.js ArrayDataSource.js Component.js Controller.js DataSource.js DataSources.js DataSourcesEvents.js View.js
  • ¶

    Kronicle.ArrayDataSource class

    This class is a simple native array based DataSource implementation The constructor initializes one property:

    • data - an empty array
    export class ArrayDataSource {
    constructor() {
        this.data = [];
    }
  • ¶

    login method

    Sets the user and pass properites. Takes three arguments:

    • user - the username.
    • pass - the password.
    • cb - the callback to be called once the properties are set, takes three arguments
      • err - a null object in this case.
      • user - the user argument.
      • pass - the pass argument.
        login(user, pass, cb) {
        this.user = user;
        this.pass = pass;
        cb(null, user, pass);
    }
  • ¶

    create method

    Pushes an item into the array as a create function. Takes two arguments

    • item - the item to push onto the array
    • cb - the callback to be called once item is added, takes two arguments
      • err - a null object in this case
      • item - the created(added) item
        create(item, cb) {
        this.data.push(item);
        cb(null, item);
    }
  • ¶

    update method

    Updates an item in the array Takes two arguments

    • item - the item to update from the array
    • cb - the callback to be called once the item is updated, takes two arguments
      • err - and error object
      • item - the item
        update(item, cb) {
        for(let i in this.data){
            if(this.data[i]._id == item._id){
                this.data[i] = item;
                cb(null, this.data[i]);
                return;
            }
        }
        cb(new Error('Item not found in data.'), item);
    }
  • ¶

    remove method

    Removes an item in the array Takes two arguments

    • item - the item to remove from the array
    • cb - the callback to be called once the item is removed, takes two arguments
      • err - and error object
      • length/id - the length if the item is removed or the id if an error occurs
        remove(id, cb) {
        for(let i in this.data){
            if(this.data[i]._id == id){
                this.data.splice(i, 1);
                cb(null, this.data.length);
                return;
            }
        }        
        cb(new Error('Item not found in data.'), id);
    }
  • ¶

    get method

    Gets an item in the array Takes two arguments

    • id - the id to get from the array
    • cb - the callback to be called once the item is retrieved, takes two arguments
      • err - and error object
      • item/id - the item retrieved or the id that was attempted in error
        get(id, cb) {
        for(let i in this.data){
            if(this.data[i]._id == id) {
                cb(null, this.data[i]);
                return;
            }
        }
        cb(new Error('Item not found in data.'), id);
    }
}