diff --git a/src/data/List.js b/src/data/List.js
index 87f0facd632f107a23c1e6d4bd5316438a4422f3..00d49275ae0a96cc1299050da090176b27a03fae 100644
--- a/src/data/List.js
+++ b/src/data/List.js
@@ -35,6 +35,7 @@ import {summarizeDimensions} from './helper/dimensionHelper';
var isObject = zrUtil.isObject;
var UNDEFINED = 'undefined';
+var INDEX_NOT_FOUND = -1;
// Use prefix to avoid index to be the same as otherIdList[idx],
// which will cause weird udpate animation.
@@ -54,6 +55,7 @@ var dataCtors = {
// Caution: MUST not use `new CtorUint32Array(arr, 0, len)`, because the Ctor of array is
// different from the Ctor of typed array.
var CtorUint32Array = typeof Uint32Array === UNDEFINED ? Array : Uint32Array;
+var CtorInt32Array = typeof Int32Array === UNDEFINED ? Array : Int32Array;
var CtorUint16Array = typeof Uint16Array === UNDEFINED ? Array : Uint16Array;
function getIndicesCtor(list) {
@@ -599,13 +601,13 @@ function prepareInvertedIndex(list) {
// Currently, only dimensions that has ordinalMeta can create inverted indices.
var ordinalMeta = dimInfo.ordinalMeta;
if (ordinalMeta) {
- invertedIndices = invertedIndicesMap[dim] = new Array(
+ invertedIndices = invertedIndicesMap[dim] = new CtorInt32Array(
ordinalMeta.categories.length
);
// The default value of TypedArray is 0. To avoid miss
- // mapping to 0, we should set it as NaN.
+ // mapping to 0, we should set it as INDEX_NOT_FOUND.
for (var i = 0; i < invertedIndices.length; i++) {
- invertedIndices[i] = NaN;
+ invertedIndices[i] = INDEX_NOT_FOUND;
}
for (var i = 0; i < list._count; i++) {
// Only support the case that all values are distinct.
@@ -970,7 +972,7 @@ listProto.rawIndexOf = function (dim, value) {
}
var rawIndex = invertedIndices[value];
if (rawIndex == null || isNaN(rawIndex)) {
- return -1;
+ return INDEX_NOT_FOUND;
}
return rawIndex;
};
diff --git a/test/bar-stack.html b/test/bar-stack.html
index 24c9edadca613b58b7c407456df1526453e97fcc..1176c30f91052a4bdb74e334c449d1c1eea96bf2 100644
--- a/test/bar-stack.html
+++ b/test/bar-stack.html
@@ -35,7 +35,8 @@ under the License.
-
+
+
+
+
+
+
+
+
+
+
+
+
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+