Update dependency jest to v26

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
jest (source)	devDependencies	major	25.1.0 -> 26.0.0

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Release Notes

facebook/jest

v26.0.0

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v25.5.4

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Fixes

• [jest-jasmine2] Don't run beforeAll / afterAll in skipped describe blocks (#​9931)

Chore & Maintenance

• [jest-runtime] Do not warn when mutating require.cache (#​9946)

v25.5.3

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Chore & Maintenance

• [jest-circus] Fix memory leak when running in band (#​9934)

v25.5.2

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Fixes

• [jest-globals] Export globals as values, not types (#​9925)

v25.5.1

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Fixes

• [jest-haste-map] Add missing @types/graceful-fs dependency (#​9913)
• [jest-runner] Correctly serialize Set passed to worker (#​9915)
• [jest-runtime] Vary ESM cache by query (#​9914)

v25.5.0

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Features

• [@jest/globals] New package so Jest's globals can be explicitly imported (#​9801)
• [jest-core] Show coverage of sources related to tests in changed files (#​9769)
• [jest-runtime] Populate require.cache (#​9841)

Fixes

• [*] Use graceful-fs directly in every package instead of relying on fs being monkey patched (#​9443)
• [expect] Prints the Symbol name into the error message with a custom asymmetric matcher (#​9888)
• [jest-circus, jest-jasmine2] Support older version of jest-runtime (#​9903 & #​9842)
• [@jest/environment] Make sure not to reference Jest types (#​9875)
• [jest-message-util] Code frame printing should respect --noStackTrace flag (#​9866)
• [jest-runtime] Support importing CJS from ESM using import statements (#​9850)
• [jest-runtime] Support importing parallel dynamic imports (#​9858)
• [jest-transform] Improve source map handling when instrumenting transformed code (#​9811)

Chore & Maintenance

• [docs] Add an example for mocking non-default export class

Performance

• [jest-resolve] Update resolve to a version using native realpath, which is faster than the default JS implementation (#​9872)
• [jest-resolve] Pass custom cached realpath function to resolve (#​9873)
• [jest-runtime] Add teardown method to clear any caches when tests complete (#​9906)
• [jest-runtime] Do not pass files required internally through transformation when loading them (#​9900)
• [jest-runtime] Use Maps instead of object literals as cache holders (#​9901)

v25.4.0

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• [expect] Support async functions in toThrow (#​9817)
• [jest-console] Add code frame to console.error and console.warn (#​9741)
• [jest-runtime, jest-jasmine2, jest-circus] Experimental, limited ECMAScript Modules support (#​9772 & #​9842)

Fixes

• [expect] Restore support for passing functions to toHaveLength matcher (#​9796)
• [jest-changed-files] --only-changed should include staged files (#​9799)
• [jest-circus] Throw on nested test definitions (#​9828)
• [jest-each] each will throw an error when called with too many arguments (#​9818)
• [jest-runner] Don't print warning to stdout when using --json (#​9843)

Chore & Maintenance

• [*] Do not generate TypeScript declaration source maps (#​9822)
• [*] Transpile code for Node 8.3, not 8.0 (#​9827)

v25.3.0

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Features

• [babel-jest] Support passing supportsDynamicImport and supportsStaticESM (#​9766)
• [babel-preset-jest] Enable all syntax plugins not enabled by default that works on current version of Node (#​9774)
• [jest-circus] Enable writing async test event handlers (#​9397)
• [jest-runtime, @​jest/transformer] Support passing supportsDynamicImport and supportsStaticESM (#​9597)

Chore & Maintenance

• [*] Replace anys with unknowns (#​9626)
• [@jest/transform] Expose type CacheKeyOptions for getCacheKey (#​9762)
• [@jest/types] Correct type testRegex for ProjectConfig (#​9780)

v25.2.7

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Fixes

• [jest-matcher-utils] Replace accessors with values to avoid calling setters in object descriptors when computing diffs for error reporting (#​9757)
• [@jest/watcher] Correct return type of shouldRunTestSuite for JestHookEmitter (#​9753)

v25.2.6

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Chore & Maintenance

• [*] 25.2.5 was published without changes from 25.2.4 - 25.2.6 includes all changes from that version.

v25.2.4

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Features

• [jest-message-util] Check for common errors when using the wrong test environment (#​8245)

Fixes

• [jest-circus] Fix type elision of jest-runtime imports (#​9717)
• [@jest/transform] Fix coverage reporter for uncovered files without transformers, reverting #​9460 (#​9724)

v25.2.3

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Fixes

• [*] Verify all packages are properly downleveled for older versions of TypeScript (#​9715)

v25.2.2

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Fixes

• [jest-environment-node] Remove getVmContext from Node env on older versions of Node (#​9708)
• [jest-runtime] Return constructable class from require('module') (#​9711)

v25.2.1

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Fixes

• [*] Downlevel TypeScript definitions files for compatibility with TS<3.8 (#​9705)

v25.2.0

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Features

• [jest-config] Support ESM config files with .js extension (#​9573).
• [jest-runtime] Override module.createRequire to return a Jest-compatible require function (#​9469)
• [jest-haste-map] [BREAKING] Remove mapper option (#​9581)
• [*] Support array of paths for moduleNameMapper aliases (#​9465)
• [jest-reporters] Adds ability to pass options to the istanbul-reporter through coverageReporters (#​9572)
• [jest-runtime] Require stack when a module cannot be resolved (#​9681)
• [jest-transform] writeCacheFile no longer calls fsync (#​9695)

Fixes

• [expect] Handle readonly properties correctly (#​9575)
• [jest-cli] Set coverageProvider correctly when provided in config (#​9562)
• [jest-cli] Allow specifying .cjs and .mjs config files by --config CLI option (#​9578)
• [jest-cli] Update yargs to fix CLI flag overriding (#​9519)
• [jest-config] Treat setupFilesAfterEnv like setupFiles when normalizing configs against presets (#​9495)
• [jest-config] Support .mjs config files on Windows as well (#​9558)
• [jest-config] Verify rootDir and all roots are directories (#​9569)
• [jest-config] Ensure pattern of replacePosixSep is a string (#​9546)
• [jest-haste-map] Fix crash on unix based systems without find (#​9579)
• [jest-jasmine2] Fix --testNamePattern matching with concurrent tests (#​9090)
• [jest-matcher-utils] Fix diff highlight of symbol-keyed object. (#​9499)
• [@jest/reporters] Notifications should be fire&forget rather than having a timeout (#​9567)
• [jest-resolve] Fix module identity preservation with symlinks and browser field resolution (#​9511)
• [jest-resolve] Do not confuse directories with files (#​8912)
• [jest-resolve] moduleNameMapper should take precedence over Node core modules (#​9563)
• [jest-runtime] Reset isolateModules if it fails (#​9541)
• [jest-runtime] Yarn PnP errors displayed to the user (#​9681)
• [jest-snapshot] Downgrade semver to v6 to support node 8 (#​9451)
• [jest-snapshot] Properly indent new snapshots in the presences of existing ones (#​9523)
• [jest-transform] Correct sourcemap behavior for transformed and instrumented code (#​9460)
• [jest-transform] Allow instrumentation of transformed files with weird file extensions (#​9589)
• [@jest/types] Make ConfigGlobals an interface to allow for declaration merging. (#​9570)
• [pretty-format] Export OldPlugin type (#​9491)

Chore & Maintenance

• [docs] Warn about unexpected behavior / bug of node-notifier when using the notify options.
• [docs] Grammatical corrections to Async docs page. (#​9679)
• [jest-resolver] Use resolve package to implement custom module resolution (#​9520)
• [jest-runtime] Move execution of setupFiles to jest-runner (#​9596)
• [jest-runtime] Update anchor link in helpers (#​9616)
• [@jest/reporters] Remove unused dependencies and type exports (#​9462)
• [website] Update pictures of reports when matchers fail (#​9214)

Performance

• [jest-haste-map] Reduce number of lstat calls in node crawler (#​9514)

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