src/core/component.js
function () {
    var hasComponentChanged;

    // Store the previous old data before we calculate the new oldData.
    if (this.previousOldData instanceof Object) {
      utils.objectPool.clearObject(this.previousOldData);
    }
    if (this.isObjectBased) {
      copyData(this.previousOldData, this.oldData);
    } else {
      this.previousOldData = this.oldData;
    }

    hasComponentChanged = !utils.deepEqual(this.oldData, this.data);

    // Don't update if properties haven't changed.
    // Always update rotation, position, scale.
    if (!this.isPositionRotationScale && !hasComponentChanged) { return; }

    // Store current data as previous data for future updates.
    // Reuse `this.oldData` object to try not to allocate another one.
    if (this.oldData instanceof Object) { utils.objectPool.clearObject(this.oldData); }
    this.oldData = extendProperties(this.oldData, this.data, this.isObjectBased);

    // Update component with the previous old data.
    this.update(this.previousOldData);

    this.throttledEmitComponentChanged();
  }
function () {
    var hasComponentChanged;

    // Store the previous old data before we calculate the new oldData.
    if (this.previousOldData instanceof Object) {
      utils.objectPool.clearObject(this.previousOldData);
    }
    if (this.isObjectBased) {
      copyData(this.previousOldData, this.oldData);
    } else {
      this.previousOldData = this.oldData;
    }

    hasComponentChanged = !utils.deepEqual(this.oldData, this.data);

    // Don't update if properties haven't changed.
    // Always update rotation, position, scale.
    if (!this.isPositionRotationScale && !hasComponentChanged) { return; }

    // Store current data as previous data for future updates.
    // Reuse `this.oldData` object to try not to allocate another one.
    if (this.oldData instanceof Object) { utils.objectPool.clearObject(this.oldData); }
    this.oldData = extendProperties(this.oldData, this.data, this.isObjectBased);

    // Update component with the previous old data.
    this.update(this.previousOldData);

    this.throttledEmitComponentChanged();
  }
function ( ) { var hasComponentChanged ; // Store the previous old data before we calculate the new oldData. if ( this . previousOldData instanceof Object ) { utils . objectPool . clearObject ( this . previousOldData ) ; } if ( this . isObjectBased ) { copyData ( this . previousOldData , this . oldData ) ; } else { this . previousOldData = this . oldData ; } hasComponentChanged = ! utils . deepEqual ( this . oldData , this . data ) ; // Don't update if properties haven't changed. // Always update rotation, position, scale. if ( ! this . isPositionRotationScale && ! hasComponentChanged ) { return ; } // Store current data as previous data for future updates. // Reuse `this.oldData` object to try not to allocate another one. if ( this . oldData instanceof Object ) { utils . objectPool . clearObject ( this . oldData ) ; } this . oldData = extendProperties ( this . oldData , this . data , this . isObjectBased ) ; // Update component with the previous old data. this . update ( this . previousOldData ) ; this . throttledEmitComponentChanged ( ) ; }
Check if component should fire update and fire update lifecycle handler.
Check if component should fire update and fire update lifecycle handler .