Function registerExternalTransform

_benchmarks/sample_echarts.js:21385–21419

(externalTransform)

    var externalTransformMap = createHashMap();
    function registerExternalTransform(externalTransform) {
      externalTransform = clone(externalTransform);
      var type = externalTransform.type;
      var errMsg = '';

      if (!type) {
        if ("development" !== 'production') {
          errMsg = 'Must have a `type` when `registerTransform`.';
        }

        throwError(errMsg);
      }

      var typeParsed = type.split(':');

      if (typeParsed.length !== 2) {
        if ("development" !== 'production') {
          errMsg = 'Name must include namespace like "ns:regression".';
        }

        throwError(errMsg);
      } // Namespace 'echarts:xxx' is official namespace, where the transforms should
      // be called directly via 'xxx' rather than 'echarts:xxx'.


      var isBuiltIn = false;

      if (typeParsed[0] === 'echarts') {
        type = typeParsed[1];
        isBuiltIn = true;
      }

      externalTransform.__isBuiltIn = isBuiltIn;
      externalTransformMap.set(type, externalTransform);
    }
    function applyDataTransform(rawTransOption, sourceList, infoForPrint) {
      var pipedTransOption = normalizeToArray(rawTransOption);
      var pipeLen = pipedTransOption.length;