Function Data

MathBox/mathbox-core.js:7352–7737

(object, config, _attributes)

Data = (function() {
  function Data(object, config, _attributes) {
    var _bound, _computed, _eval, _expr, _finals, addSpec, bind, change, changed, changes, constant, data, define, digest, dirty, equalors, equals, evaluate, event, expr, finals, flattened, freeform, get, getNS, j, key, len, list, makers, mapTo, name, ns, oldComputed, oldExpr, oldOrig, oldProps, originals, props, ref, ref1, set, shorthand, spec, to, touched, touches, trait, traits, unbind, unique, validate, validators, value, values;
    traits = config.traits, props = config.props, finals = config.finals, freeform = config.freeform;
    data = this;
    if ((object.props != null) && (object.expr != null) && (object.orig != null) && (object.computed != null) && (object.attributes != null)) {
      oldProps = shallowCopy(object.props);
      oldExpr = shallowCopy(object.expr);
      oldOrig = object.orig();
      oldComputed = object.computed();
      if ((ref = object.attributes) != null) {
        ref.dispose();
      }
    }
    flattened = {};
    originals = {};
    mapTo = {};
    to = function(name) {
      var ref1;
      return (ref1 = mapTo[name]) != null ? ref1 : name;
    };
    define = function(name, alias) {
      if (mapTo[alias]) {
        throw new Error((object.toString()) + " - Duplicate property `" + alias + "`");
      }
      return mapTo[alias] = name;
    };
    get = function(key) {
      var ref1, ref2, ref3;
      return (ref1 = (ref2 = data[key]) != null ? ref2.value : void 0) != null ? ref1 : (ref3 = data[to(key)]) != null ? ref3.value : void 0;
    };
    set = function(key, value, ignore, initial) {
      var attr, ref1, short, valid, validated;
      key = to(key);
      if ((attr = data[key]) == null) {
        if (!freeform) {
          throw new Error((object.toString()) + " - Setting unknown property `" + key + "={" + value + "}`");
        }
        attr = data[key] = {
          short: key,
          type: null,
          last: null,
          value: null
        };
        validators[key] = function(v) {
          return v;
        };
      }
      if (!ignore) {
        if (_expr[key]) {
          throw new Error((object.toString()) + " - Can't set bound property `" + key + "={" + value + "}`");
        }
        if (_computed[key]) {
          throw new Error((object.toString()) + " - Can't set computed property `" + key + "={" + value + "}`");
        }
        if (_finals[key]) {
          throw new Error((object.toString()) + " - Can't set final property `" + key + "={" + value + "}`");
        }
      }