superset createSiAtMostNDigitFormatter 源码
superset createSiAtMostNDigitFormatter 代码
文件路径：/superset-frontend/packages/superset-ui-core/src/number-format/factories/createSiAtMostNDigitFormatter.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 { format as d3Format } from 'd3-format';
import NumberFormatter from '../NumberFormatter';
export default function createSiAtMostNDigitFormatter(
config: {
description?: string;
n?: number;
id?: string;
label?: string;
} = {},
) {
const { description, n = 3, id, label } = config;
const siFormatter = d3Format(`.${n}s`);
return new NumberFormatter({
description,
formatFunc: value => {
const si = siFormatter(value);
/* Removing trailing `.00` if any */
return si.slice(-1) < 'A' ? parseFloat(si).toString() : si;
},
id: id ?? `si_at_most_${n}_digit`,
label: label ?? `SI with at most ${n} significant digits`,
});
}
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