old_contents: module.exports = {
    collectCoverageFrom: ['src/**/*.ts'],
    globals: { 'ts-jest': { tsConfig: 'tsconfig.all.json' } },
    testEnvironment: 'node',
    transform: { '^.+\\.[j|t]s$': 'ts-jest' },
  };
  
new_contents: module.exports = {
    collectCoverageFrom: ['src/**/*.{j,t}s'],
    globals: { 'ts-jest': { tsConfig: 'tsconfig.all.json' } },
    testEnvironment: 'node',
    transform: { '^.+\\.[j|t]s$': 'ts-jest' },
  };
  
subject: update config