go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/analysis/frontend/ui/src/components/rules_table/hooks.ts (about)

     1  // Copyright 2023 The LUCI Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  import { ParamKeyValuePair, useSearchParams } from 'react-router-dom';
    16  
    17  export function useProblemFilterParam(validProblemIDs: string[]): [string, (problemID: string, replace?: boolean) => void] {
    18    const [searchParams, setSearchParams] = useSearchParams();
    19    let problemFilter = searchParams.get('problem') || '';
    20  
    21    if (!validProblemIDs.includes(problemFilter)) {
    22      // Invalid URL parameter. Clear the filter.
    23      problemFilter = '';
    24    }
    25  
    26    function updateProblemParam(problemID: string, replace = false) {
    27      const params: ParamKeyValuePair[] = [];
    28  
    29      for (const [k, v] of searchParams.entries()) {
    30        if (k !== 'problem') {
    31          params.push([k, v]);
    32        }
    33      }
    34  
    35      if (problemID !== '') {
    36        params.push(['problem', problemID]);
    37      }
    38      setSearchParams(params, {
    39        replace,
    40      });
    41    }
    42  
    43    return [problemFilter, updateProblemParam];
    44  }