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85 lines
2.4 KiB
TypeScript
85 lines
2.4 KiB
TypeScript
/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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import { ReactElement, useMemo } from 'react';
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import Mustache from 'mustache';
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import { Typography } from '@superset-ui/core/components';
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import { MetricOption } from '@superset-ui/chart-controls';
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import type { Row, ColumnRow, MetricRow } from '../../types';
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interface LeftCellProps {
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row: Row;
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rowType: 'column' | 'metric';
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url?: string;
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}
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/**
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* Confines a caller-supplied URL to http(s) and relative schemes before
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* it's rendered as a link. Returns undefined for anything else, degrading
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* the cell to plain text.
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*/
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export const toSafeHref = (url: string): string | undefined => {
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try {
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const { protocol } = new URL(url, window.location.origin);
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if (protocol === 'http:' || protocol === 'https:') {
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return url;
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}
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} catch {
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// fall through: unparseable URLs are not rendered as links
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}
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return undefined;
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};
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/**
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* Renders the left cell containing either column labels or metric information
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*/
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const LeftCell = ({ row, rowType, url }: LeftCellProps): ReactElement => {
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const fullUrl = useMemo(() => {
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if (!url) return undefined;
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const context = { metric: row };
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return toSafeHref(Mustache.render(url, context));
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}, [url, row]);
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if (rowType === 'column') {
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const column = row as ColumnRow;
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if (fullUrl)
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return (
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<Typography.Link
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href={fullUrl}
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rel="noopener noreferrer"
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target="_blank"
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>
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{column.label}
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</Typography.Link>
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);
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return <span>{column.label || ''}</span>;
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}
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return (
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<MetricOption
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metric={row as MetricRow}
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url={fullUrl}
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showFormula={false}
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openInNewWindow
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/>
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);
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};
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export default LeftCell;
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