superset NumberFormatterRegistry 源码

2022-10-20
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superset NumberFormatterRegistry 代码

文件路径：/superset-frontend/packages/superset-ui-core/src/number-format/NumberFormatterRegistry.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 { RegistryWithDefaultKey, OverwritePolicy } from '../models';
import createD3NumberFormatter from './factories/createD3NumberFormatter';
import createSmartNumberFormatter from './factories/createSmartNumberFormatter';
import NumberFormats from './NumberFormats';
import NumberFormatter from './NumberFormatter';

export default class NumberFormatterRegistry extends RegistryWithDefaultKey<
  NumberFormatter,
  NumberFormatter
> {
  constructor() {
    super({
      name: 'NumberFormatter',
      overwritePolicy: OverwritePolicy.WARN,
    });

    this.registerValue(
      NumberFormats.SMART_NUMBER,
      createSmartNumberFormatter(),
    );
    this.registerValue(
      NumberFormats.SMART_NUMBER_SIGNED,
      createSmartNumberFormatter({ signed: true }),
    );
    this.setDefaultKey(NumberFormats.SMART_NUMBER);
  }

  get(formatterId?: string) {
    const targetFormat = `${
      formatterId === null ||
      typeof formatterId === 'undefined' ||
      formatterId === ''
        ? this.defaultKey
        : formatterId
    }`.trim();

    if (this.has(targetFormat)) {
      return super.get(targetFormat) as NumberFormatter;
    }

    // Create new formatter if does not exist
    const formatter = createD3NumberFormatter({
      formatString: targetFormat,
    });
    this.registerValue(targetFormat, formatter);

    return formatter;
  }

  format(
    formatterId: string | undefined,
    value: number | null | undefined,
  ): string {
    return this.get(formatterId)(value);
  }
}

相关信息

superset 源码目录

相关文章

superset NumberFormats 源码

superset NumberFormatter 源码

superset NumberFormatterRegistrySingleton 源码

superset index 源码

superset types 源码

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本文标签： 大数据
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