Function completeDimensions

_benchmarks/sample_echarts.js:34109–34285

* @see {module:echarts/test/ut/spec/data/completeDimensions} * * This method builds the relationship between: * + "what the coord sys or series requires (see `sysDims`)", * + "what the user defines (in `encode` and `dimensions`, see `opt.dimsDef` and `opt.encodeDef`)" * + "w

(sysDims, source, opt)

     */

    function completeDimensions(sysDims, source, opt) {
      if (!isSourceInstance(source)) {
        source = createSourceFromSeriesDataOption(source);
      }

      opt = opt || {};
      sysDims = (sysDims || []).slice();
      var dimsDef = (opt.dimsDef || []).slice();
      var dataDimNameMap = createHashMap();
      var coordDimNameMap = createHashMap(); // let valueCandidate;

      var result = [];
      var dimCount = getDimCount(source, sysDims, dimsDef, opt.dimCount); // Apply user defined dims (`name` and `type`) and init result.

      for (var i = 0; i < dimCount; i++) {
        var dimDefItemRaw = dimsDef[i];
        var dimDefItem = dimsDef[i] = extend({}, isObject(dimDefItemRaw) ? dimDefItemRaw : {
          name: dimDefItemRaw
        });
        var userDimName = dimDefItem.name;
        var resultItem = result[i] = new DataDimensionInfo(); // Name will be applied later for avoiding duplication.

        if (userDimName != null && dataDimNameMap.get(userDimName) == null) {
          // Only if `series.dimensions` is defined in option
          // displayName, will be set, and dimension will be diplayed vertically in
          // tooltip by default.
          resultItem.name = resultItem.displayName = userDimName;
          dataDimNameMap.set(userDimName, i);
        }

        dimDefItem.type != null && (resultItem.type = dimDefItem.type);
        dimDefItem.displayName != null && (resultItem.displayName = dimDefItem.displayName);
      }

      var encodeDef = opt.encodeDef;

      if (!encodeDef && opt.encodeDefaulter) {
        encodeDef = opt.encodeDefaulter(source, dimCount);
      }

      var encodeDefMap = createHashMap(encodeDef); // Set `coordDim` and `coordDimIndex` by `encodeDefMap` and normalize `encodeDefMap`.

      encodeDefMap.each(function (dataDimsRaw, coordDim) {
        var dataDims = normalizeToArray(dataDimsRaw).slice(); // Note: It is allowed that `dataDims.length` is `0`, e.g., options is
        // `{encode: {x: -1, y: 1}}`. Should not filter anything in
        // this case.

        if (dataDims.length === 1 && !isString(dataDims[0]) && dataDims[0] < 0) {
          encodeDefMap.set(coordDim, false);
          return;
        }

        var validDataDims = encodeDefMap.set(coordDim, []);
        each(dataDims, function (resultDimIdxOrName, idx) {
          // The input resultDimIdx can be dim name or index.
          var resultDimIdx = isString(resultDimIdxOrName) ? dataDimNameMap.get(resultDimIdxOrName) : resultDimIdxOrName;

          if (resultDimIdx != null && resultDimIdx < dimCount) {