Snyk has created this PR to fix one or more vulnerable packages in the `npm` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • node_modules/mem/package.json

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	586/1000 Why? Proof of Concept exploit, Has a fix available, CVSS 5.3	Regular Expression Denial of Service (ReDoS) SNYK-JS-GLOBPARENT-1016905	No	Proof of Concept
	484/1000 Why? Has a fix available, CVSS 5.4	Open Redirect SNYK-JS-GOT-2932019	Yes	No Known Exploit
	706/1000 Why? Proof of Concept exploit, Has a fix available, CVSS 7.7	Arbitrary Code Injection SNYK-JS-SERIALIZEJAVASCRIPT-570062	Yes	Proof of Concept
	589/1000 Why? Has a fix available, CVSS 7.5	Denial of Service (DoS) SNYK-JS-TRIMNEWLINES-1298042	Yes	No Known Exploit
	601/1000 Why? Proof of Concept exploit, Has a fix available, CVSS 5.6	Prototype Pollution SNYK-JS-YARGSPARSER-560381	Yes	Proof of Concept

(*) Note that the real score may have changed since the PR was raised.

Commit messages
Package name: ava The new version differs by 250 commits.

• 9bc615e 4.0.0
• f09742f Clean up documentation in preparation for AVA 4
• 0187779 Dependency updates
• 29024af Test compatibility with TypeScript 4.5
• 8df118b Use AVA 4 for the self-hosted tests
• bedd1d0 Remove dependency on `equal-length`
• d4ec097 Improve wording in TypeScript recipe
• b3a1b72 Mention experimental specifier resolution in TypeScript recipe
• 77623a5 Handle path sources
• 5cdeb9d 4.0.0-rc.1
• 88e7680 Final ESM tweaks
• 60b7cf8 Align shared worker protocol identifier with provider protocols
• ad521af Graduate shared workers to be non-experimental
• 0edfd00 Skip flaky tests in CI
• c4f6723 Use thread IDs
• af30e73 Remove dead code and obsolete TODOs
• 6ed3ad1 Reduce XO exceptions
• 5a48893 Update XO and fix problems
• a7737cd Update dependencies
• dc405ef Fix Mongoose recipe
• c214512 Find ava.config.* files outside of project directory
• 44aebd9 Exclude more files from code coverage
• def2885 Improve handling of temporary file changes in watch mode
• 1a62f15 Switch to .xo-config.cjs

See the full diff

Package name: serialize-javascript The new version differs by 17 commits.

• b54341e v3.1.0
• 7cee7e4 Revert "support for bigint ([Snyk] Security upgrade mocha from 5.2.0 to 10.1.0 #80)"
• 026a445 Bump mocha from 7.1.2 to 7.2.0 ([Snyk] Fix for 3 vulnerabilities #83)
• 5130a71 support for bigint ([Snyk] Security upgrade mocha from 5.2.0 to 10.1.0 #80)
• ea76b23 Bump mocha from 7.1.1 to 7.1.2 ([Snyk] Security upgrade mocha from 7.2.0 to 10.1.0 #82)
• 073c8d8 Bump nyc from 15.0.0 to 15.0.1 ([Snyk] Security upgrade tap from 14.11.0 to 15.0.0 #81)
• f21a6fb Don't replace regex / function placeholders within string literals ([Snyk] Security upgrade tap from 7.1.2 to 15.0.0 #79)
• 1ac487e [Security] Bump minimist from 1.2.0 to 1.2.5 ([Snyk] Fix for 12 vulnerabilities #78)
• c795cef Bump mocha from 7.1.0 to 7.1.1 ([Snyk] Security upgrade tap from 13.1.11 to 15.0.0 #77)
• 3064431 Bump mocha from 7.0.1 to 7.1.0 ([Snyk] Fix for 19 vulnerabilities #74)
• 9dbe8f6 Update example in README ([Snyk] Security upgrade semantic-release from 15.14.0 to 20.0.1 #73)
• f5957ee v3.0.0
• eed510c Introduce support for Infinity ([Snyk] Security upgrade mocha from 3.5.3 to 10.1.0 #72)
• 82bb2d2 Bump mocha from 7.0.0 to 7.0.1 ([Snyk] Security upgrade mocha from 5.0.0 to 10.1.0 #71)
• fdfb10a Test on Node.js v12 ([Snyk] Fix for 3 vulnerabilities #70)
• 2f5f126 Bump mocha from 6.2.2 to 7.0.0 ([Snyk] Security upgrade xo from 0.24.0 to 0.42.0 #69)
• 35062c0 Bump nyc from 14.1.1 to 15.0.0 ([Snyk] Security upgrade semantic-release from 15.14.0 to 20.0.1 #68)

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Package name: tsd The new version differs by 47 commits.

• 09f4b4f 0.17.0
• 3c3c755 Remove `update-notifier`
• f94f918 Require Node.js 12
• 6ba71f2 Semi-pin TypeScript version
• 6480ca9 Implement `printType` helper to print the type of the passed expression as a warning ([Snyk] Fix for 4 vulnerabilities #115)
• b749113 Fix processing of config files containing the `rootDir` option ([Snyk] Fix for 4 vulnerabilities #117)
• 6d0ce6c Process gitignore-style patterns in `files` property of `package.json` ([Snyk] Fix for 5 vulnerabilities #116)
• 009a185 Add tests for identicality checks of `any`/`never` type parameters to `expectType`/`expectNotType` ([Snyk] Fix for 4 vulnerabilities #113)
• 7fbb7a0 Use ava's diff comparison view to report assertion mismatches during tests ([Snyk] Security upgrade semantic-release from 17.4.7 to 20.0.1 #114)
• f1a2057 Allow omitting `types` property for non-barrel main ([Snyk] Fix for 4 vulnerabilities #112)
• 3b61da7 Ignore errors from libs in `node_modules` folders ([Snyk] Security upgrade mocha from 3.5.3 to 10.1.0 #110)
• fc871a1 Fix config file parsing to consider the `extends` option ([Snyk] Security upgrade tape from 2.14.1 to 4.0.0 #109)
• f2cfca7 Upgrade to ts@4.3, allow `expectError` to detect `override` related errors ([Snyk] Security upgrade mocha from 7.2.0 to 10.1.0 #108)
• 0245f59 0.16.0
• 331101b Upgrade dependencies
• 8fe3924 Allow `expectError` directives to detect parameter count mismatches ([Snyk] Security upgrade mocha from 5.2.0 to 10.1.0 #102)
• 27ccc49 Allow `expectError` assertions to detect non-callable/non-constructable values/expressions ([Snyk] Fix for 4 vulnerabilities #104)
• 87f7109 Handle multiple diagnostic errors in a single `expectError` assertion ([Snyk] Fix for 3 vulnerabilities #103)
• abf7082 Allow `expectError` assertions to detect `this` type mismatches on class methods ([Snyk] Fix for 3 vulnerabilities #105)
• 27c93af Detect "Type X has no properties in common with type Y" in `expectError` (TS2559) ([Snyk] Security upgrade xo from 0.24.0 to 0.42.0 #97)
• b39bd98 Fix missing ES types regression in 0.15 ([Snyk] Fix for 4 vulnerabilities #100)
• 05f9f3b Upgrade to TypeScript@4.2.4
• 5376484 Switch to @ tsd/typescript
• 2cc8e9c 0.15.1

See the full diff

Package name: xo The new version differs by 145 commits.

• ab16df2 0.42.0
• de55a03 Upgrade dependencies
• 34800b7 Upgrade `globby` ([Snyk] Fix for 1 vulnerabilities #574)
• f81e933 Re-enable `import/newline-after-import` rule
• 47af93e 0.41.0
• af93e79 Upgrade dependencies
• 0733cc5 Fix code style ([Snyk] Security upgrade tap from 10.7.3 to 15.0.0 #570)
• ab17a3c Lint `.cjs` files in codebase ([Snyk] Fix for 1 vulnerabilities #569)
• 0a752c7 Update dependencies ([Snyk] Security upgrade eslint from 6.8.0 to 7.0.0 #568)
• 41c8f39 Convert project to module ([Snyk] Fix for 1 vulnerabilities #566)
• b3c5e15 Fix typo ([Snyk] Fix for 1 vulnerabilities #567)
• 2ef9f22 Prevent the `useEslintrc` option from being used ([Snyk] Fix for 1 vulnerabilities #565)
• 41f0484 0.40.3
• 374dd73 Support `xo.config.cjs` and `.xo-config.cjs` ([Snyk] Fix for 1 vulnerabilities #561)
• 3e7b77c Remove some needless imports ([Snyk] Fix for 1 vulnerabilities #560)
• 6adf459 Remove `update-notifier`
• b6389ef 0.40.2
• 7ace6e5 Fix handling of `parserOptions` for TypeScript ([Snyk] Fix for 1 vulnerabilities #557)
• 7629ce0 0.40.1
• d2c5750 Properly resolve base config ([Snyk] Fix for 1 vulnerabilities #545)
• e9c96a1 Properly handle `parserOptions` ([Snyk] Fix for 1 vulnerabilities #544)
• 8e1801c Avoid destructuring and just build the expected object once ([Snyk] Fix for 1 vulnerabilities #538)
• 4cfdc72 Fix CI
• 56be018 0.40.0

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