superset formatValue 源码

2022-10-20
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superset formatValue 代码

文件路径：/superset-frontend/plugins/plugin-chart-table/src/utils/formatValue.ts

/**
 * 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 { FilterXSS, getDefaultWhiteList } from 'xss';
import {
  DataRecordValue,
  GenericDataType,
  getNumberFormatter,
} from '@superset-ui/core';
import { DataColumnMeta } from '../types';
import DateWithFormatter from './DateWithFormatter';

const xss = new FilterXSS({
  whiteList: {
    ...getDefaultWhiteList(),
    span: ['style', 'class', 'title'],
    div: ['style', 'class'],
    a: ['style', 'class', 'href', 'title', 'target'],
    img: ['style', 'class', 'src', 'alt', 'title', 'width', 'height'],
    video: [
      'autoplay',
      'controls',
      'loop',
      'preload',
      'src',
      'height',
      'width',
      'muted',
    ],
  },
  stripIgnoreTag: true,
  css: false,
});

function isProbablyHTML(text: string) {
  return /<[^>]+>/.test(text);
}

/**
 * Format text for cell value.
 */
function formatValue(
  formatter: DataColumnMeta['formatter'],
  value: DataRecordValue,
): [boolean, string] {
  // render undefined as empty string
  if (value === undefined) {
    return [false, ''];
  }
  // render null as `N/A`
  if (
    value === null ||
    // null values in temporal columns are wrapped in a Date object, so make sure we
    // handle them here too
    (value instanceof DateWithFormatter && value.input === null)
  ) {
    return [false, 'N/A'];
  }
  if (formatter) {
    // in case percent metric can specify percent format in the future
    return [false, formatter(value as number)];
  }
  if (typeof value === 'string') {
    return isProbablyHTML(value) ? [true, xss.process(value)] : [false, value];
  }
  return [false, value.toString()];
}

export function formatColumnValue(
  column: DataColumnMeta,
  value: DataRecordValue,
) {
  const { dataType, formatter, config = {} } = column;
  const isNumber = dataType === GenericDataType.NUMERIC;
  const smallNumberFormatter =
    config.d3SmallNumberFormat === undefined
      ? formatter
      : getNumberFormatter(config.d3SmallNumberFormat);
  return formatValue(
    isNumber && typeof value === 'number' && Math.abs(value) < 1
      ? smallNumberFormatter
      : formatter,
    value,
  );
}

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本文标签： 大数据
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