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{"ast":null,"code":"import \"core-js/modules/es.error.cause.js\";\nimport \"core-js/modules/es.function.name.js\";\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements. See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership. The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License. You may obtain a copy of the License at\n*\n* http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied. See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements. See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership. The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License. You may obtain a copy of the License at\n*\n* http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied. See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nvar _a, _b, _c; // TODO\n// ??? refactor? check the outer usage of data provider.\n// merge with defaultDimValueGetter?\n\n\nimport { isTypedArray, extend, assert, each, isObject, bind } from 'zrender/lib/core/util.js';\nimport { getDataItemValue } from '../../util/model.js';\nimport { createSourceFromSeriesDataOption, isSourceInstance } from '../Source.js';\nimport { SOURCE_FORMAT_ORIGINAL, SOURCE_FORMAT_OBJECT_ROWS, SOURCE_FORMAT_KEYED_COLUMNS, SOURCE_FORMAT_TYPED_ARRAY, SOURCE_FORMAT_ARRAY_ROWS, SERIES_LAYOUT_BY_COLUMN, SERIES_LAYOUT_BY_ROW } from '../../util/types.js';\nvar providerMethods;\nvar mountMethods;\n/**\n * If normal array used, mutable chunk size is supported.\n * If typed array used, chunk size must be fixed.\n */\n\nvar DefaultDataProvider =\n/** @class */\nfunction () {\n function DefaultDataProvider(sourceParam, dimSize) {\n // let source: Source;\n var source = !isSourceInstance(sourceParam) ? createSourceFromSeriesDataOption(sourceParam) : sourceParam; // declare source is Source;\n\n this._source = source;\n var data = this._data = source.data; // Typed array. TODO IE10+?\n\n if (source.sourceFormat === SOURCE_FORMAT_TYPED_ARRAY) {\n if (process.env.NODE_ENV !== 'production') {\n if (dimSize == null) {\n throw new Error('Typed array data must specify dimension size');\n }\n }\n\n this._offset = 0;\n this._dimSize = dimSize;\n this._data = data;\n }\n\n mountMethods(this, data, source);\n }\n\n DefaultDataProvider.prototype.getSource = function () {\n return this._source;\n };\n\n DefaultDataProvider.prototype.count = function () {\n return 0;\n };\n\n DefaultDataProvider.prototype.getItem = function (idx, out) {\n return;\n };\n\n DefaultDataProvider.prototype.appendData = function (newData) {};\n\n DefaultDataProvider.prototype.clean = function () {};\n\n DefaultDataProvider.protoInitialize = function () {\n // PENDING: To avoid potential incompat (e.g., prototype\n // is visited somewhere), still init them on prototype.\n var proto = DefaultDataProvider.prototype;\n proto.pure = false;\n proto.persistent = true;\n }();\n\n DefaultDataProvider.internalField = function () {\n var _a;\n\n mountMethods = function mountMethods(
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