Function prepareDimensions

test/lib/ecSimpleTransform.js:135–170

(config, upstream, groupByDimInfo)

        }
    };
    function prepareDimensions(config, upstream, groupByDimInfo) {
        var resultDimensionsConfig = config.resultDimensions;
        var finalResultDimInfoList = [];
        var collectionDimInfoList = [];
        var gIndexInLine = 0;
        for (var i = 0; i < resultDimensionsConfig.length; i++) {
            var resultDimInfoConfig = resultDimensionsConfig[i];
            var dimInfoInUpstream = upstream.getDimensionInfo(resultDimInfoConfig.from);
            assert(dimInfoInUpstream, 'Can not find dimension by `from`: ' + resultDimInfoConfig.from);
            var rawMethod = resultDimInfoConfig.method;
            assert(groupByDimInfo.index !== dimInfoInUpstream.index || rawMethod == null, "Dimension " + dimInfoInUpstream.name + " is the \"groupBy\" dimension, must not have any \"method\".");
            var method = normalizeMethod(rawMethod);
            assert(method, 'method is required');
            var name_1 = resultDimInfoConfig.name != null ? resultDimInfoConfig.name : dimInfoInUpstream.name;
            var finalResultDimInfo = new ResultDimInfoInternal(finalResultDimInfoList.length, dimInfoInUpstream.index, method, name_1, hasOwn(METHOD_NEEDS_GATHER_VALUES, method));
            finalResultDimInfoList.push(finalResultDimInfo);
            var needCollect = false;
            if (hasOwn(METHOD_NEEDS_COLLECT, method)) {
                needCollect = true;
                var collectionTargetMethods = METHOD_NEEDS_COLLECT[method];
                for (var j = 0; j < collectionTargetMethods.length; j++) {
                    finalResultDimInfo.addCollectionInfo({
                        method: collectionTargetMethods[j],
                        indexInLine: gIndexInLine++
                    });
                }
            }
            if (hasOwn(METHOD_NEEDS_GATHER_VALUES, method)) {
                needCollect = true;
            }
            if (needCollect) {
                collectionDimInfoList.push(finalResultDimInfo);
            }
        }
        return { collectionDimInfoList: collectionDimInfoList, finalResultDimInfoList: finalResultDimInfoList };
    }
    function prepareGroupByDimInfo(config, upstream) {
        var groupByConfig = config.groupBy;
        var groupByDimInfo;