lottie-web/player/js/utils/expressions/CompInterface.js

After Effects plugin for exporting animations to SVG + JavaScript or canvas + JavaScript

const CompExpressionInterface = (function () {
  return function (comp) {
    function _thisLayerFunction(name) {
      var i = 0;
      var len = comp.layers.length;
      while (i < len) {
        if (comp.layers[i].nm === name || comp.layers[i].ind === name) {
          return comp.elements[i].layerInterface;
        }
        i += 1;
      }
      return null;
      // return {active:false};
    }
    Object.defineProperty(_thisLayerFunction, '_name', { value: comp.data.nm });
    _thisLayerFunction.layer = _thisLayerFunction;
    _thisLayerFunction.pixelAspect = 1;
    _thisLayerFunction.height = comp.data.h || comp.globalData.compSize.h;
    _thisLayerFunction.width = comp.data.w || comp.globalData.compSize.w;
    _thisLayerFunction.pixelAspect = 1;
    _thisLayerFunction.frameDuration = 1 / comp.globalData.frameRate;
    _thisLayerFunction.displayStartTime = 0;
    _thisLayerFunction.numLayers = comp.layers.length;
    return _thisLayerFunction;
  };
}());

export default CompExpressionInterface;