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frontend/node_modules/echarts/lib/scale/Ordinal.js

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+
+/*
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied.  See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*/
+
+
+/**
+ * AUTO-GENERATED FILE. DO NOT MODIFY.
+ */
+
+/*
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied.  See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*/
+import { __extends } from "tslib";
+/**
+ * Linear continuous scale
+ * http://en.wikipedia.org/wiki/Level_of_measurement
+ */
+// FIXME only one data
+import Scale from './Scale.js';
+import OrdinalMeta from '../data/OrdinalMeta.js';
+import * as scaleHelper from './helper.js';
+import { isArray, map, isObject, isString } from 'zrender/lib/core/util.js';
+var OrdinalScale = /** @class */function (_super) {
+  __extends(OrdinalScale, _super);
+  function OrdinalScale(setting) {
+    var _this = _super.call(this, setting) || this;
+    _this.type = 'ordinal';
+    var ordinalMeta = _this.getSetting('ordinalMeta');
+    // Caution: Should not use instanceof, consider ec-extensions using
+    // import approach to get OrdinalMeta class.
+    if (!ordinalMeta) {
+      ordinalMeta = new OrdinalMeta({});
+    }
+    if (isArray(ordinalMeta)) {
+      ordinalMeta = new OrdinalMeta({
+        categories: map(ordinalMeta, function (item) {
+          return isObject(item) ? item.value : item;
+        })
+      });
+    }
+    _this._ordinalMeta = ordinalMeta;
+    _this._extent = _this.getSetting('extent') || [0, ordinalMeta.categories.length - 1];
+    return _this;
+  }
+  OrdinalScale.prototype.parse = function (val) {
+    // Caution: Math.round(null) will return `0` rather than `NaN`
+    if (val == null) {
+      return NaN;
+    }
+    return isString(val) ? this._ordinalMeta.getOrdinal(val)
+    // val might be float.
+    : Math.round(val);
+  };
+  OrdinalScale.prototype.contain = function (rank) {
+    rank = this.parse(rank);
+    return scaleHelper.contain(rank, this._extent) && this._ordinalMeta.categories[rank] != null;
+  };
+  /**
+   * Normalize given rank or name to linear [0, 1]
+   * @param val raw ordinal number.
+   * @return normalized value in [0, 1].
+   */
+  OrdinalScale.prototype.normalize = function (val) {
+    val = this._getTickNumber(this.parse(val));
+    return scaleHelper.normalize(val, this._extent);
+  };
+  /**
+   * @param val normalized value in [0, 1].
+   * @return raw ordinal number.
+   */
+  OrdinalScale.prototype.scale = function (val) {
+    val = Math.round(scaleHelper.scale(val, this._extent));
+    return this.getRawOrdinalNumber(val);
+  };
+  OrdinalScale.prototype.getTicks = function () {
+    var ticks = [];
+    var extent = this._extent;
+    var rank = extent[0];
+    while (rank <= extent[1]) {
+      ticks.push({
+        value: rank
+      });
+      rank++;
+    }
+    return ticks;
+  };
+  OrdinalScale.prototype.getMinorTicks = function (splitNumber) {
+    // Not support.
+    return;
+  };
+  /**
+   * @see `Ordinal['_ordinalNumbersByTick']`
+   */
+  OrdinalScale.prototype.setSortInfo = function (info) {
+    if (info == null) {
+      this._ordinalNumbersByTick = this._ticksByOrdinalNumber = null;
+      return;
+    }
+    var infoOrdinalNumbers = info.ordinalNumbers;
+    var ordinalsByTick = this._ordinalNumbersByTick = [];
+    var ticksByOrdinal = this._ticksByOrdinalNumber = [];
+    // Unnecessary support negative tick in `realtimeSort`.
+    var tickNum = 0;
+    var allCategoryLen = this._ordinalMeta.categories.length;
+    for (var len = Math.min(allCategoryLen, infoOrdinalNumbers.length); tickNum < len; ++tickNum) {
+      var ordinalNumber = infoOrdinalNumbers[tickNum];
+      ordinalsByTick[tickNum] = ordinalNumber;
+      ticksByOrdinal[ordinalNumber] = tickNum;
+    }
+    // Handle that `series.data` only covers part of the `axis.category.data`.
+    var unusedOrdinal = 0;
+    for (; tickNum < allCategoryLen; ++tickNum) {
+      while (ticksByOrdinal[unusedOrdinal] != null) {
+        unusedOrdinal++;
+      }
+      ;
+      ordinalsByTick.push(unusedOrdinal);
+      ticksByOrdinal[unusedOrdinal] = tickNum;
+    }
+  };
+  OrdinalScale.prototype._getTickNumber = function (ordinal) {
+    var ticksByOrdinalNumber = this._ticksByOrdinalNumber;
+    // also support ordinal out of range of `ordinalMeta.categories.length`,
+    // where ordinal numbers are used as tick value directly.
+    return ticksByOrdinalNumber && ordinal >= 0 && ordinal < ticksByOrdinalNumber.length ? ticksByOrdinalNumber[ordinal] : ordinal;
+  };
+  /**
+   * @usage
+   * ```js
+   * const ordinalNumber = ordinalScale.getRawOrdinalNumber(tickVal);
+   *
+   * // case0
+   * const rawOrdinalValue = axisModel.getCategories()[ordinalNumber];
+   * // case1
+   * const rawOrdinalValue = this._ordinalMeta.categories[ordinalNumber];
+   * // case2
+   * const coord = axis.dataToCoord(ordinalNumber);
+   * ```
+   *
+   * @param {OrdinalNumber} tickNumber index of display
+   */
+  OrdinalScale.prototype.getRawOrdinalNumber = function (tickNumber) {
+    var ordinalNumbersByTick = this._ordinalNumbersByTick;
+    // tickNumber may be out of range, e.g., when axis max is larger than `ordinalMeta.categories.length`.,
+    // where ordinal numbers are used as tick value directly.
+    return ordinalNumbersByTick && tickNumber >= 0 && tickNumber < ordinalNumbersByTick.length ? ordinalNumbersByTick[tickNumber] : tickNumber;
+  };
+  /**
+   * Get item on tick
+   */
+  OrdinalScale.prototype.getLabel = function (tick) {
+    if (!this.isBlank()) {
+      var ordinalNumber = this.getRawOrdinalNumber(tick.value);
+      var cateogry = this._ordinalMeta.categories[ordinalNumber];
+      // Note that if no data, ordinalMeta.categories is an empty array.
+      // Return empty if it's not exist.
+      return cateogry == null ? '' : cateogry + '';
+    }
+  };
+  OrdinalScale.prototype.count = function () {
+    return this._extent[1] - this._extent[0] + 1;
+  };
+  OrdinalScale.prototype.unionExtentFromData = function (data, dim) {
+    this.unionExtent(data.getApproximateExtent(dim));
+  };
+  /**
+   * @override
+   * If value is in extent range
+   */
+  OrdinalScale.prototype.isInExtentRange = function (value) {
+    value = this._getTickNumber(value);
+    return this._extent[0] <= value && this._extent[1] >= value;
+  };
+  OrdinalScale.prototype.getOrdinalMeta = function () {
+    return this._ordinalMeta;
+  };
+  OrdinalScale.prototype.calcNiceTicks = function () {};
+  OrdinalScale.prototype.calcNiceExtent = function () {};
+  OrdinalScale.type = 'ordinal';
+  return OrdinalScale;
+}(Scale);
+Scale.registerClass(OrdinalScale);
+export default OrdinalScale;