wit-uniapp/node_modules/echarts/lib/data/Source.js

/*
* 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 { isTypedArray, clone, createHashMap, isArray, isObject, isArrayLike, hasOwn, assert, each, map, isNumber, isString, keys } from 'zrender/lib/core/util.js';
import { SOURCE_FORMAT_ORIGINAL, SERIES_LAYOUT_BY_COLUMN, SOURCE_FORMAT_UNKNOWN, SOURCE_FORMAT_KEYED_COLUMNS, SOURCE_FORMAT_TYPED_ARRAY, SOURCE_FORMAT_ARRAY_ROWS, SOURCE_FORMAT_OBJECT_ROWS, SERIES_LAYOUT_BY_ROW } from '../util/types.js';
import { getDataItemValue } from '../util/model.js';
import { BE_ORDINAL, guessOrdinal } from './helper/sourceHelper.js';
; // @inner

var SourceImpl =
/** @class */
function () {
  function SourceImpl(fields) {
    this.data = fields.data || (fields.sourceFormat === SOURCE_FORMAT_KEYED_COLUMNS ? {} : []);
    this.sourceFormat = fields.sourceFormat || SOURCE_FORMAT_UNKNOWN; // Visit config

    this.seriesLayoutBy = fields.seriesLayoutBy || SERIES_LAYOUT_BY_COLUMN;
    this.startIndex = fields.startIndex || 0;
    this.dimensionsDetectedCount = fields.dimensionsDetectedCount;
    this.metaRawOption = fields.metaRawOption;
    var dimensionsDefine = this.dimensionsDefine = fields.dimensionsDefine;

    if (dimensionsDefine) {
      for (var i = 0; i < dimensionsDefine.length; i++) {
        var dim = dimensionsDefine[i];

        if (dim.type == null) {
          if (guessOrdinal(this, i) === BE_ORDINAL.Must) {
            dim.type = 'ordinal';
          }
        }
      }
    }
  }

  return SourceImpl;
}();

export function isSourceInstance(val) {
  return val instanceof SourceImpl;
}
/**
 * Create a source from option.
 * NOTE: Created source is immutable. Don't change any properties in it.
 */

export function createSource(sourceData, thisMetaRawOption, // can be null. If not provided, auto detect it from `sourceData`.
sourceFormat) {
  sourceFormat = sourceFormat || detectSourceFormat(sourceData);
  var seriesLayoutBy = thisMetaRawOption.seriesLayoutBy;
  var determined = determineSourceDimensions(sourceData, sourceFormat, seriesLayoutBy, thisMetaRawOption.sourceHeader, thisMetaRawOption.dimensions);
  var source = new SourceImpl({
    data: sourceData,
    sourceFormat: sourceFormat,
    seriesLayoutBy: seriesLayoutBy,
    dimensionsDefine: determined.dimensionsDefine,
    startIndex: determined.startIndex,
    dimensionsDetectedCount: determined.dimensionsDetectedCount,
    metaRawOption: clone(thisMetaRawOption)
  });
  return source;
}
/**
 * Wrap original series data for some compatibility cases.
 */

export function createSourceFromSeriesDataOption(data) {
  return new SourceImpl({
    data: data,
    sourceFormat: isTypedArray(data) ? SOURCE_FORMAT_TYPED_ARRAY : SOURCE_FORMAT_ORIGINAL
  });
}
/**
 * Clone source but excludes source data.
 */

export function cloneSourceShallow(source) {
  return new SourceImpl({
    data: source.data,
    sourceFormat: source.sourceFormat,
    seriesLayoutBy: source.seriesLayoutBy,
    dimensionsDefine: clone(source.dimensionsDefine),
    startIndex: source.startIndex,
    dimensionsDetectedCount: source.dimensionsDetectedCount
  });
}
/**
 * Note: An empty array will be detected as `SOURCE_FORMAT_ARRAY_ROWS`.
 */

export function detectSourceFormat(data) {
  var sourceFormat = SOURCE_FORMAT_UNKNOWN;

  if (isTypedArray(data)) {
    sourceFormat = SOURCE_FORMAT_TYPED_ARRAY;
  } else if (isArray(data)) {
    // FIXME Whether tolerate null in top level array?
    if (data.length === 0) {
      sourceFormat = SOURCE_FORMAT_ARRAY_ROWS;
    }

    for (var i = 0, len = data.length; i < len; i++) {
      var item = data[i];

      if (item == null) {
        continue;
      } else if (isArray(item)) {
        sourceFormat = SOURCE_FORMAT_ARRAY_ROWS;
        break;
      } else if (isObject(item)) {
        sourceFormat = SOURCE_FORMAT_OBJECT_ROWS;
        break;
      }
    }
  } else if (isObject(data)) {
    for (var key in data) {
      if (hasOwn(data, key) && isArrayLike(data[key])) {
        sourceFormat = SOURCE_FORMAT_KEYED_COLUMNS;
        break;
      }
    }
  }

  return sourceFormat;
}
/**
 * Determine the source definitions from data standalone dimensions definitions
 * are not specified.
 */

function determineSourceDimensions(data, sourceFormat, seriesLayoutBy, sourceHeader, // standalone raw dimensions definition, like:
// {
//     dimensions: ['aa', 'bb', { name: 'cc', type: 'time' }]
// }
// in `dataset` or `series`
dimensionsDefine) {
  var dimensionsDetectedCount;
  var startIndex; // PENDING: Could data be null/undefined here?
  // currently, if `dataset.source` not specified, error thrown.
  // if `series.data` not specified, nothing rendered without error thrown.
  // Should test these cases.

  if (!data) {
    return {
      dimensionsDefine: normalizeDimensionsOption(dimensionsDefine),
      startIndex: startIndex,
      dimensionsDetectedCount: dimensionsDetectedCount
    };
  }

  if (sourceFormat === SOURCE_FORMAT_ARRAY_ROWS) {
    var dataArrayRows = data; // Rule: Most of the first line are string: it is header.
    // Caution: consider a line with 5 string and 1 number,
    // it still can not be sure it is a head, because the
    // 5 string may be 5 values of category columns.

    if (sourceHeader === 'auto' || sourceHeader == null) {
      arrayRowsTravelFirst(function (val) {
        // '-' is regarded as null/undefined.
        if (val != null && val !== '-') {
          if (isString(val)) {
            startIndex == null && (startIndex = 1);
          } else {
            startIndex = 0;
          }
        } // 10 is an experience number, avoid long loop.

      }, seriesLayoutBy, dataArrayRows, 10);
    } else {
      startIndex = isNumber(sourceHeader) ? sourceHeader : sourceHeader ? 1 : 0;
    }

    if (!dimensionsDefine && startIndex === 1) {
      dimensionsDefine = [];
      arrayRowsTravelFirst(function (val, index) {
        dimensionsDefine[index] = val != null ? val + '' : '';
      }, seriesLayoutBy, dataArrayRows, Infinity);
    }

    dimensionsDetectedCount = dimensionsDefine ? dimensionsDefine.length : seriesLayoutBy === SERIES_LAYOUT_BY_ROW ? dataArrayRows.length : dataArrayRows[0] ? dataArrayRows[0].length : null;
  } else if (sourceFormat === SOURCE_FORMAT_OBJECT_ROWS) {
    if (!dimensionsDefine) {
      dimensionsDefine = objectRowsCollectDimensions(data);
    }
  } else if (sourceFormat === SOURCE_FORMAT_KEYED_COLUMNS) {
    if (!dimensionsDefine) {
      dimensionsDefine = [];
      each(data, function (colArr, key) {
        dimensionsDefine.push(key);
      });
    }
  } else if (sourceFormat === SOURCE_FORMAT_ORIGINAL) {
    var value0 = getDataItemValue(data[0]);
    dimensionsDetectedCount = isArray(value0) && value0.length || 1;
  } else if (sourceFormat === SOURCE_FORMAT_TYPED_ARRAY) {
    if (process.env.NODE_ENV !== 'production') {
      assert(!!dimensionsDefine, 'dimensions must be given if data is TypedArray.');
    }
  }

  return {
    startIndex: startIndex,
    dimensionsDefine: normalizeDimensionsOption(dimensionsDefine),
    dimensionsDetectedCount: dimensionsDetectedCount
  };
}

function objectRowsCollectDimensions(data) {
  var firstIndex = 0;
  var obj;

  while (firstIndex < data.length && !(obj = data[firstIndex++])) {} // jshint ignore: line


  if (obj) {
    return keys(obj);
  }
} // Consider dimensions defined like ['A', 'price', 'B', 'price', 'C', 'price'],
// which is reasonable. But dimension name is duplicated.
// Returns undefined or an array contains only object without null/undefined or string.


function normalizeDimensionsOption(dimensionsDefine) {
  if (!dimensionsDefine) {
    // The meaning of null/undefined is different from empty array.
    return;
  }

  var nameMap = createHashMap();
  return map(dimensionsDefine, function (rawItem, index) {
    rawItem = isObject(rawItem) ? rawItem : {
      name: rawItem
    }; // Other fields will be discarded.

    var item = {
      name: rawItem.name,
      displayName: rawItem.displayName,
      type: rawItem.type
    }; // User can set null in dimensions.
    // We don't auto specify name, otherwise a given name may
    // cause it to be referred unexpectedly.

    if (item.name == null) {
      return item;
    } // Also consider number form like 2012.


    item.name += ''; // User may also specify displayName.
    // displayName will always exists except user not
    // specified or dim name is not specified or detected.
    // (A auto generated dim name will not be used as
    // displayName).

    if (item.displayName == null) {
      item.displayName = item.name;
    }

    var exist = nameMap.get(item.name);

    if (!exist) {
      nameMap.set(item.name, {
        count: 1
      });
    } else {
      item.name += '-' + exist.count++;
    }

    return item;
  });
}

function arrayRowsTravelFirst(cb, seriesLayoutBy, data, maxLoop) {
  if (seriesLayoutBy === SERIES_LAYOUT_BY_ROW) {
    for (var i = 0; i < data.length && i < maxLoop; i++) {
      cb(data[i] ? data[i][0] : null, i);
    }
  } else {
    var value0 = data[0] || [];

    for (var i = 0; i < value0.length && i < maxLoop; i++) {
      cb(value0[i], i);
    }
  }
}

export function shouldRetrieveDataByName(source) {
  var sourceFormat = source.sourceFormat;
  return sourceFormat === SOURCE_FORMAT_OBJECT_ROWS || sourceFormat === SOURCE_FORMAT_KEYED_COLUMNS;
}