get rid of _index

kurkle · kurkle · commit bc3807b175d7 · 2019-10-25T08:35:21.000+03:00
diff --git a/src/core/core.datasetController.js b/src/core/core.datasetController.js
@@ -441,7 +441,7 @@ helpers.extend(DatasetController.prototype, {
 
 		for (i = 0, ilen = parsed.length; i < ilen; ++i) {
 			item = parsed[i];
-			meta.data[item._index]._parsed = item;
+			meta.data[start + i]._parsed = item;
 
 			if (stacks) {
 				item._stackKeys = {};
@@ -467,7 +467,7 @@ helpers.extend(DatasetController.prototype, {
 	 * @param {number} count - number of items to parse
 	 * @returns {object} parsed item - item containing index and a parsed value
 	 * for each scale id.
-	 * Example: {index: 1, xScale0: 0, yScale0: 1}
+	 * Example: {xScale0: 0, yScale0: 1}
 	 * @private
 	 */
 	_parsePrimitiveData: function(meta, data, start, count) {
@@ -479,7 +479,7 @@ helpers.extend(DatasetController.prototype, {
 		var i, ilen, item;
 
 		for (i = start, ilen = start + count; i < ilen; ++i) {
-			item = {_index: i};
+			item = {};
 			item[iScale.id] = singleScale || iScale._parse(labels[i], i);
 			item[vScale.id] = vScale._parse(data[i], i);
 			parsed.push(item);
@@ -495,7 +495,7 @@ helpers.extend(DatasetController.prototype, {
 	 * @param {number} count - number of items to parse
 	 * @returns {object} parsed item - item containing index and a parsed value
 	 * for each scale id.
-	 * Example: {index: 1, xScale0: 0, yScale0: 1}
+	 * Example: {xScale0: 0, yScale0: 1}
 	 * @private
 	 */
 	_parseArrayData: function(meta, data, start, count) {
@@ -505,7 +505,7 @@ helpers.extend(DatasetController.prototype, {
 		var i, ilen, item, arr;
 		for (i = start, ilen = start + count; i < ilen; ++i) {
 			arr = data[i];
-			item = {_index: i};
+			item = {};
 			item[xScale.id] = xScale._parse(arr[0], i);
 			item[yScale.id] = yScale._parse(arr[1], i);
 			parsed.push(item);
@@ -521,7 +521,7 @@ helpers.extend(DatasetController.prototype, {
 	 * @param {number} count - number of items to parse
 	 * @returns {object} parsed item - item containing index and a parsed value
 	 * for each scale id. _custom is optional
-	 * Example: {index: 1, xScale0: 0, yScale0: 1, _custom: {r: 10, foo: 'bar'}}
+	 * Example: {xScale0: 0, yScale0: 1, _custom: {r: 10, foo: 'bar'}}
 	 * @private
 	 */
 	_parseObjectData: function(meta, data, start, count) {
@@ -531,7 +531,7 @@ helpers.extend(DatasetController.prototype, {
 		var i, ilen, item, obj;
 		for (i = start, ilen = start + count; i < ilen; ++i) {
 			obj = data[i];
-			item = {_index: i};
+			item = {};
 			item[xScale.id] = xScale._parseObject(obj, 'x', i);
 			item[yScale.id] = yScale._parseObject(obj, 'y', i);
 			parsed.push(item);
