How to use mutationRangeMatch method in stryker-parent

Best JavaScript code snippet using stryker-parent

project-reader.ts

Source:project-reader.ts

1import path from 'path';2import { isDeepStrictEqual } from 'util';3import minimatch, { type Minimatch as IMinimatch } from 'minimatch';4import { StrykerOptions, FileDescriptions, FileDescription, Location, Position } from '@stryker-mutator/api/core';5import { Logger } from '@stryker-mutator/api/logging';6import { commonTokens, tokens } from '@stryker-mutator/api/plugin';7import { ERROR_CODES, I, isErrnoException } from '@stryker-mutator/util';8import type { MutationTestResult } from 'mutation-testing-report-schema/api';9import { OpenEndLocation } from 'mutation-testing-report-schema';10import { defaultOptions, FileMatcher } from '../config/index.js';11import { coreTokens } from '../di/index.js';12import { Project } from './project.js';13import { FileSystem } from './file-system.js';14const { Minimatch } = minimatch;15const ALWAYS_IGNORE = Object.freeze(['node_modules', '.git', '/reports', '*.tsbuildinfo', '/stryker.log']);16export const IGNORE_PATTERN_CHARACTER = '!';17/**18 * @see https://stryker-mutator.io/docs/stryker-js/configuration/#mutate-string19 * @example20 * * "src/app.js:1-11" will mutate lines 1 through 11 inside app.js.21 * * "src/app.js:5:4-6:4" will mutate from line 5, column 4 through line 6 column 4 inside app.js (columns 4 are included).22 * * "src/app.js:5-6:4" will mutate from line 5, column 0 through line 6 column 4 inside app.js (column 4 is included).23 */24export const MUTATION_RANGE_REGEX = /(.*?):((\d+)(?::(\d+))?-(\d+)(?::(\d+))?)$/;25export class ProjectReader {26  private readonly mutatePatterns: readonly string[];27  private readonly ignoreRules: readonly string[];28  private readonly incremental: boolean;29  private readonly force: boolean;30  private readonly incrementalFile: string;31  public static inject = tokens(coreTokens.fs, commonTokens.logger, commonTokens.options);32  constructor(33    private readonly fs: I<FileSystem>,34    private readonly log: Logger,35    { mutate, tempDirName, ignorePatterns, incremental, incrementalFile, force }: StrykerOptions36  ) {37    this.mutatePatterns = mutate;38    this.ignoreRules = [...ALWAYS_IGNORE, tempDirName, ...ignorePatterns];39    this.incremental = incremental;40    this.incrementalFile = incrementalFile;41    this.force = force;42  }43  public async read(): Promise<Project> {44    const inputFileNames = await this.resolveInputFileNames();45    const fileDescriptions = this.resolveFileDescriptions(inputFileNames);46    const project = new Project(this.fs, fileDescriptions, await this.readIncrementalReport());47    project.logFiles(this.log, this.ignoreRules, this.force);48    return project;49  }50  /**51   * Takes the list of file names and creates file description object from it, containing logic about wether or not it needs to be mutated.52   * If a mutate pattern starts with a `!`, it negates the pattern.53   * @param inputFileNames the file names to filter54   */55  private resolveFileDescriptions(inputFileNames: string[]): FileDescriptions {56    // Only log about useless patterns when the user actually configured it57    const logAboutUselessPatterns = !isDeepStrictEqual(this.mutatePatterns, defaultOptions.mutate);58    // Start out without files to mutate59    const mutateInputFileMap = new Map<string, FileDescription>();60    inputFileNames.forEach((fileName) => mutateInputFileMap.set(fileName, { mutate: false }));61    // Now lets see what we need to mutate62    for (const pattern of this.mutatePatterns) {63      if (pattern.startsWith(IGNORE_PATTERN_CHARACTER)) {64        const files = this.filterMutatePattern(mutateInputFileMap.keys(), pattern.substring(1));65        if (logAboutUselessPatterns && files.size === 0) {66          this.log.warn(`Glob pattern "${pattern}" did not exclude any files.`);67        }68        for (const fileName of files.keys()) {69          mutateInputFileMap.set(fileName, { mutate: false });70        }71      } else {72        const files = this.filterMutatePattern(inputFileNames, pattern);73        if (logAboutUselessPatterns && files.size === 0) {74          this.log.warn(`Glob pattern "${pattern}" did not result in any files.`);75        }76        for (const [fileName, file] of files) {77          mutateInputFileMap.set(fileName, this.mergeFileDescriptions(file, mutateInputFileMap.get(fileName)));78        }79      }80    }81    return Object.fromEntries(mutateInputFileMap);82  }83  private mergeFileDescriptions(first: FileDescription, second?: FileDescription): FileDescription {84    if (second) {85      if (Array.isArray(first.mutate) && Array.isArray(second.mutate)) {86        return { mutate: [...second.mutate, ...first.mutate] };87      } else if (first.mutate && !second.mutate) {88        return first;89      } else if (!first.mutate && second.mutate) {90        return second;91      } else {92        return { mutate: false };93      }94    }95    return first;96  }97  /**98   * Filters a given list of file names given a mutate pattern.99   * @param fileNames the file names to match to the pattern100   * @param mutatePattern the pattern to match with101   */102  private filterMutatePattern(fileNames: Iterable<string>, mutatePattern: string): Map<string, FileDescription> {103    const mutationRangeMatch = MUTATION_RANGE_REGEX.exec(mutatePattern);104    let mutate: FileDescription['mutate'] = true;105    if (mutationRangeMatch) {106      const [_, newPattern, _mutationRange, startLine, startColumn = '0', endLine, endColumn = Number.MAX_SAFE_INTEGER.toString()] =107        mutationRangeMatch;108      mutatePattern = newPattern;109      mutate = [110        {111          start: { line: parseInt(startLine) - 1, column: parseInt(startColumn) },112          end: { line: parseInt(endLine) - 1, column: parseInt(endColumn) },113        },114      ];115    }116    const matcher = new FileMatcher(mutatePattern);117    const inputFiles = new Map<string, FileDescription>();118    for (const fileName of fileNames) {119      if (matcher.matches(fileName)) {120        inputFiles.set(fileName, { mutate });121      }122    }123    return inputFiles;124  }125  private async resolveInputFileNames(): Promise<string[]> {126    const ignoreRules = this.ignoreRules.map((pattern) => new Minimatch(pattern, { dot: true, flipNegate: true, nocase: true }));127    /**128     * Rewrite of: https://github.com/npm/ignore-walk/blob/0e4f87adccb3e16f526d2e960ed04bdc77fd6cca/index.js#L213-L215129     */130    const matchesDirectoryPartially = (entryPath: string, rule: IMinimatch) => {131      return rule.match(`/${entryPath}`, true) || rule.match(entryPath, true);132    };133    // Inspired by https://github.com/npm/ignore-walk/blob/0e4f87adccb3e16f526d2e960ed04bdc77fd6cca/index.js#L124134    const matchesDirectory = (entryName: string, entryPath: string, rule: IMinimatch) => {135      return (136        matchesFile(entryName, entryPath, rule) ||137        rule.match(`/${entryPath}/`) ||138        rule.match(`${entryPath}/`) ||139        (rule.negate && matchesDirectoryPartially(entryPath, rule))140      );141    };142    // Inspired by https://github.com/npm/ignore-walk/blob/0e4f87adccb3e16f526d2e960ed04bdc77fd6cca/index.js#L123143    const matchesFile = (entryName: string, entryPath: string, rule: IMinimatch) => {144      return rule.match(entryName) || rule.match(entryPath) || rule.match(`/${entryPath}`);145    };146    const crawlDir = async (dir: string, rootDir = dir): Promise<string[]> => {147      const dirEntries = await this.fs.readdir(dir, { withFileTypes: true });148      const relativeName = path.relative(rootDir, dir);149      const files = await Promise.all(150        dirEntries151          .filter((dirEntry) => {152            let included = true;153            const entryPath = `${relativeName.length ? `${relativeName}/` : ''}${dirEntry.name}`;154            ignoreRules.forEach((rule) => {155              if (rule.negate !== included) {156                const match = dirEntry.isDirectory() ? matchesDirectory(dirEntry.name, entryPath, rule) : matchesFile(dirEntry.name, entryPath, rule);157                if (match) {158                  included = rule.negate;159                }160              }161            });162            return included;163          })164          .map(async (dirent) => {165            if (dirent.isDirectory()) {166              return crawlDir(path.resolve(rootDir, relativeName, dirent.name), rootDir);167            } else {168              return path.resolve(rootDir, relativeName, dirent.name);169            }170          })171      );172      return files.flat();173    };174    const files = await crawlDir(process.cwd());175    return files;176  }177  private async readIncrementalReport(): Promise<MutationTestResult | undefined> {178    if (!this.incremental) {179      return;180    }181    try {182      // TODO: Validate against the schema or stryker version?183      const contents = await this.fs.readFile(this.incrementalFile, 'utf-8');184      const result: MutationTestResult = JSON.parse(contents);185      return {186        ...result,187        files: Object.fromEntries(188          Object.entries(result.files).map(([fileName, file]) => [189            fileName,190            { ...file, mutants: file.mutants.map((mutant) => ({ ...mutant, location: reportLocationToStrykerLocation(mutant.location) })) },191          ])192        ),193        testFiles:194          result.testFiles &&195          Object.fromEntries(196            Object.entries(result.testFiles).map(([fileName, file]) => [197              fileName,198              {199                ...file,200                tests: file.tests.map((test) => ({ ...test, location: test.location && reportOpenEndLocationToStrykerLocation(test.location) })),201              },202            ])203          ),204      };205    } catch (err: unknown) {206      if (isErrnoException(err) && err.code === ERROR_CODES.NoSuchFileOrDirectory) {207        this.log.info('No incremental result file found at %s, a full mutation testing run will be performed.', this.incrementalFile);208        return;209      }210      // Whoops, didn't mean to catch this one!211      throw err;212    }213  }214}215function reportOpenEndLocationToStrykerLocation({ start, end }: OpenEndLocation): OpenEndLocation {216  return {217    start: reportPositionToStrykerPosition(start),218    end: end && reportPositionToStrykerPosition(end),219  };220}221function reportLocationToStrykerLocation({ start, end }: Location): Location {222  return {223    start: reportPositionToStrykerPosition(start),224    end: reportPositionToStrykerPosition(end),225  };226}227function reportPositionToStrykerPosition({ line, column }: Position): Position {228  // stryker's positions are 0-based229  return {230    line: line - 1,231    column: column - 1,232  };...

Using AI Code Generation

1const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;2const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;3const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;4const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;5const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;6const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;7const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;8const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;9const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;10const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;11const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;12const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;13const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;14const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;15const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;16const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;

Using AI Code Generation

1var stryker = require('stryker-parent');2var mutationRangeMatch = stryker.mutationRangeMatch;3var match = mutationRangeMatch([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);4console.log(match);5var stryker = require('stryker-parent');6var mutationRangeMatch = stryker.mutationRangeMatch;7var match = mutationRangeMatch([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], [1, 2, 3, 4, 5, 6, 7, 8, 9, 11]);8console.log(match);9var stryker = require('stryker-parent');10var mutationRangeMatch = stryker.mutationRangeMatch;11var match = mutationRangeMatch([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]);12console.log(match);13var stryker = require('stryker-parent');14var mutationRangeMatch = stryker.mutationRangeMatch;15var match = mutationRangeMatch([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], [1, 2, 3, 4, 5, 6, 7, 8, 9]);16console.log(match);17var stryker = require('stryker-parent');

Using AI Code Generation

1const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;2const fileName = 'test.js';3const range = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];4const actual = mutationRangeMatch(fileName, range);5console.log(actual);6const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;7module.exports = function(config) {8  config.set({9    mutate: mutationRangeMatch('stryker.conf.js', [1, 2, 3, 4, 5, 6, 7, 8, 9, 10])10  });11};12### mutationRangeMatch(fileName, range)13MIT © [Karan Gohil](

Using AI Code Generation

1const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;2const { expect } = require('chai');3describe('mutationRangeMatch', () => {4  it('should match the range', () => {5    expect(mutationRangeMatch(2, 3, '1-3')).to.be.true;6  });7  it('should not match the range', () => {8    expect(mutationRangeMatch(1, 3, '2-3')).to.be.false;9  });10});11module.exports = {12};13function mutationRangeMatch(start, end, range) {14  const [startRange, endRange] = range.split('-');15  const startRangeInt = parseInt(startRange);16  const endRangeInt = parseInt(endRange);17  return start >= startRangeInt && end <= endRangeInt;18}

Using AI Code Generation

1const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;2const range = [1, 5];3const shouldMutate = mutationRangeMatch(range);4const mutationRangeMatch = require('stryker-child').mutationRangeMatch;5const range = [1, 5];6const shouldMutate = mutationRangeMatch(range);7const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;8const range = [1, 5];9const shouldMutate = mutationRangeMatch(range);10const mutationRangeMatch = require('stryker-child').mutationRangeMatch;11const range = [1, 5];12const shouldMutate = mutationRangeMatch(range);13const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;14const range = [1, 5];15const shouldMutate = mutationRangeMatch(range);16const mutationRangeMatch = require('stryker-child').mutationRangeMatch;17const range = [1, 5];18const shouldMutate = mutationRangeMatch(range);19const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;20const range = [1, 5];21const shouldMutate = mutationRangeMatch(range);22const mutationRangeMatch = require('stryker-child').mutationRangeMatch;23const range = [1, 5];24const shouldMutate = mutationRangeMatch(range);25const mutationRangeMatch = require('stryker-parent').mutationRangeMatch;26const range = [1, 5];27const shouldMutate = mutationRangeMatch(range);28const mutationRangeMatch = require('stryker-child').mutationRangeMatch;29const range = [1, 5];30const shouldMutate = mutationRangeMatch(range);

Using AI Code Generation

1var stryker = require('stryker-parent');2var range = stryker.mutationRangeMatch('1-2,5,8-9');3console.log(range);4module.exports = {5  mutationRangeMatch: function (range) {6    var mutationRange = range.split(',').map(function (range) {7      var rangeSplit = range.split('-');8      if (rangeSplit.length === 2) {9        return rangeSplit.map(function (n) {10          return parseInt(n, 10);11        });12      } else {13        return parseInt(rangeSplit[0], 10);14      }15    });16    var result = [];17    mutationRange.forEach(function (range) {18      if (Array.isArray(range)) {19        for (var i = range[0]; i <= range[1]; i++) {20          result.push(i);21        }22      } else {23        result.push(range);24      }25    });26    return result;27  }28};

Using AI Code Generation

1const { mutationRangeMatch } = require('stryker-parent');2const files = ['foo.js', 'bar.js'];3const mutator = 'javascript';4const range = { start: 12, end: 15 };5const result = mutationRangeMatch(files, mutator, range);6console.log(result);7{ file: 'foo.js', mutator: 'javascript', range: { start: 12, end: 15 } }8const { mutationRangeMatch } = require('stryker-parent');9const files = ['foo.js', 'bar.js'];10const mutators = ['javascript', 'typescript'];11const range = { start: 12, end: 15 };12const result = mutationRangeMatch(files, mutators, range);13console.log(result);14{ file: 'foo.js', mutator: 'javascript', range: { start: 12, end: 15 } }15const { mutationRangeMatch } = require('stryker-parent');16const files = ['foo.js', 'bar.js'];17const mutators = ['javascript', 'typescript'];18const ranges = [{ start: 12, end: 15 }, { start: 20, end: 23 }];19const result = mutationRangeMatch(files, mutators, ranges);20console.log(result);21{ file: 'foo.js', mutator: 'javascript', range: { start: 12, end: 15 } }

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