test262/package.json

{
  "name": "test262",
  "version": "4.0.0",
  "description": "Test262 tests conformance to the continually maintained draft future ECMAScript standard found at http://tc39.github.io/ecma262/ , together with any Stage 3 or later TC39 proposals.",
  "repository": {
    "type": "git",
    "url": "git+https://github.com/tc39/test262.git"
  },
  "license": "BSD",
  "bugs": {
    "url": "https://github.com/tc39/test262/issues"
  },
  "private": true,
  "homepage": "https://github.com/tc39/test262#readme",
  "devDependencies": {
    "esvu": "^1.0.0",
    "test262-harness": "^7.3.0"
  },
  "scripts": {
    "ci": "./tools/scripts/ci_test.sh",
    "test": "test262-harness",
    "diff": "git diff --diff-filter ACMR --name-only master.. -- test/ && git ls-files --exclude-standard --others -- test/",
    "test:diff": "npm run test:diff:v8 && npm run test:diff:spidermonkey && npm run test:diff:chakra && npm run test:diff:javascriptcore",
    "test:diff:v8": "test262-harness -t 8 --hostType=d8 --hostPath=v8 $(npm run --silent diff)",
    "test:diff:spidermonkey": "test262-harness -t 8 --hostType=jsshell --hostPath=spidermonkey $(npm run --silent diff)",
    "test:diff:chakra": "test262-harness -t 8 --hostType=ch --hostPath=chakra $(npm run --silent diff)",
    "test:diff:javascriptcore": "test262-harness -t 8 --hostType=jsc --hostPath=javascriptcore $(npm run --silent diff)",
    "test:diff:xs": "test262-harness -t 8 --hostType=xs --hostPath=xs $(npm run --silent diff)"
  }
}