Vue2最低支持Node版本调查
Posted lightsong
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背景
确定Vue2最低支持的Node版本，可以在CI环境中，确定Node的一些信息， 是否适合后端环境共享同一个Node版本呢。
Vue2项目
https://github.com/vuejs/vue/blob/dev/package.json
调研了Vue 2.6.11版本的package.json
其中Vue2使用Node是在编译事态使用，即是 webpack 使用。
从这个文件中，我们发现 Vue2使用 webpack4.28.4
"webpack": "~4.28.4",
{ "name": "vue", "version": "2.6.11", "description": "Reactive, component-oriented view layer for modern web interfaces.", "main": "dist/vue.runtime.common.js", "module": "dist/vue.runtime.esm.js", "unpkg": "dist/vue.js", "jsdelivr": "dist/vue.js", "typings": "types/index.d.ts", "files": [ "src", "dist/*.js", "types/*.d.ts" ], "sideEffects": false, "scripts": { "dev": "rollup -w -c scripts/config.js --environment TARGET:web-full-dev", "dev:cjs": "rollup -w -c scripts/config.js --environment TARGET:web-runtime-cjs-dev", "dev:esm": "rollup -w -c scripts/config.js --environment TARGET:web-runtime-esm", "dev:test": "karma start test/unit/karma.dev.config.js", "dev:ssr": "rollup -w -c scripts/config.js --environment TARGET:web-server-renderer", "dev:compiler": "rollup -w -c scripts/config.js --environment TARGET:web-compiler ", "dev:weex": "rollup -w -c scripts/config.js --environment TARGET:weex-framework", "dev:weex:factory": "rollup -w -c scripts/config.js --environment TARGET:weex-factory", "dev:weex:compiler": "rollup -w -c scripts/config.js --environment TARGET:weex-compiler ", "build": "node scripts/build.js", "build:ssr": "npm run build -- web-runtime-cjs,web-server-renderer", "build:weex": "npm run build -- weex", "test": "npm run lint && flow check && npm run test:types && npm run test:cover && npm run test:e2e -- --env phantomjs && npm run test:ssr && npm run test:weex", "test:unit": "karma start test/unit/karma.unit.config.js", "test:cover": "karma start test/unit/karma.cover.config.js", "test:e2e": "npm run build -- web-full-prod,web-server-basic-renderer && node test/e2e/runner.js", "test:weex": "npm run build:weex && jasmine JASMINE_CONFIG_PATH=test/weex/jasmine.js", "test:ssr": "npm run build:ssr && jasmine JASMINE_CONFIG_PATH=test/ssr/jasmine.js", "test:sauce": "npm run sauce -- 0 && npm run sauce -- 1 && npm run sauce -- 2", "test:types": "tsc -p ./types/test/tsconfig.json", "lint": "eslint src scripts test", "flow": "flow check", "sauce": "karma start test/unit/karma.sauce.config.js", "bench:ssr": "npm run build:ssr && node benchmarks/ssr/renderToString.js && node benchmarks/ssr/renderToStream.js", "release": "bash scripts/release.sh", "release:weex": "bash scripts/release-weex.sh", "release:note": "node scripts/gen-release-note.js", "commit": "git-cz" }, "gitHooks": { "pre-commit": "lint-staged", "commit-msg": "node scripts/verify-commit-msg.js" }, "lint-staged": { "*.js": [ "eslint --fix", "git add" ] }, "repository": { "type": "git", "url": "git+https://github.com/vuejs/vue.git" }, "keywords": [ "vue" ], "author": "Evan You", "license": "MIT", "bugs": { "url": "https://github.com/vuejs/vue/issues" }, "homepage": "https://github.com/vuejs/vue#readme", "devDependencies": { "@babel/core": "^7.0.0", "@babel/plugin-proposal-class-properties": "^7.1.0", "@babel/plugin-syntax-dynamic-import": "^7.0.0", "@babel/plugin-syntax-jsx": "^7.0.0", "@babel/plugin-transform-flow-strip-types": "^7.0.0", "@babel/preset-env": "^7.0.0", "@babel/register": "^7.0.0", "@types/node": "^12.12.0", "@types/webpack": "^4.4.22", "acorn": "^5.2.1", "babel-eslint": "^10.0.1", "babel-helper-vue-jsx-merge-props": "^2.0.3", "babel-loader": "^8.0.4", "babel-plugin-istanbul": "^5.1.0", "babel-plugin-transform-vue-jsx": "^4.0.1", "babel-preset-flow-vue": "^1.0.0", "buble": "^0.19.3", "chalk": "^2.3.0", "chromedriver": "^2.45.0", "codecov": "^3.0.0", "commitizen": "^2.9.6", "conventional-changelog": "^1.1.3", "cross-spawn": "^6.0.5", "cz-conventional-changelog": "^2.0.0", "de-indent": "^1.0.2", "es6-promise": "^4.1.0", "escodegen": "^1.8.1", "eslint": "^5.7.0", "eslint-plugin-flowtype": "^2.34.0", "eslint-plugin-jasmine": "^2.8.4", "file-loader": "^3.0.1", "flow-bin": "^0.61.0", "hash-sum": "^1.0.2", "he": "^1.1.1", "http-server": "^0.11.1", "jasmine": "^2.99.0", "jasmine-core": "^2.99.0", "karma": "^3.1.1", "karma-chrome-launcher": "^2.1.1", "karma-coverage": "^1.1.1", "karma-firefox-launcher": "^1.0.1", "karma-jasmine": "^1.1.0", "karma-mocha-reporter": "^2.2.3", "karma-phantomjs-launcher": "^1.0.4", "karma-safari-launcher": "^1.0.0", "karma-sauce-launcher": "^2.0.2", "karma-sourcemap-loader": "^0.3.7", "karma-webpack": "^4.0.0-rc.2", "lint-staged": "^8.0.0", "lodash": "^4.17.4", "lodash.template": "^4.4.0", "lodash.uniq": "^4.5.0", "lru-cache": "^5.1.1", "nightwatch": "^0.9.16", "nightwatch-helpers": "^1.2.0", "phantomjs-prebuilt": "^2.1.14", "puppeteer": "^1.11.0", "resolve": "^1.3.3", "rollup": "^1.0.0", "rollup-plugin-alias": "^1.3.1", "rollup-plugin-buble": "^0.19.6", "rollup-plugin-commonjs": "^9.2.0", "rollup-plugin-flow-no-whitespace": "^1.0.0", "rollup-plugin-node-resolve": "^4.0.0", "rollup-plugin-replace": "^2.0.0", "selenium-server": "^2.53.1", "serialize-javascript": "^2.1.2", "shelljs": "^0.8.1", "terser": "^3.10.2", "typescript": "^3.6.4", "webpack": "~4.28.4", "weex-js-runtime": "^0.23.6", "weex-styler": "^0.3.0", "yorkie": "^2.0.0" }, "config": { "commitizen": { "path": "./node_modules/cz-conventional-changelog" } } }
Webpack
https://github.com/webpack/webpack/releases?after=v5.0.0-alpha.10
从其发布的列表中，找到对应的4.28.4版本
https://github.com/webpack/webpack/archive/v4.28.4.zip
下载后查看其中的package.json文件
从中查到，其基于node版本是6.11.5
"engines": {
"node": ">=6.11.5"
},
{ "name": "webpack", "version": "4.28.4", "author": "Tobias Koppers @sokra", "description": "Packs CommonJs/AMD modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.", "license": "MIT", "dependencies": { "@webassemblyjs/ast": "1.7.11", "@webassemblyjs/helper-module-context": "1.7.11", "@webassemblyjs/wasm-edit": "1.7.11", "@webassemblyjs/wasm-parser": "1.7.11", "acorn": "^5.6.2", "acorn-dynamic-import": "^3.0.0", "ajv": "^6.1.0", "ajv-keywords": "^3.1.0", "chrome-trace-event": "^1.0.0", "enhanced-resolve": "^4.1.0", "eslint-scope": "^4.0.0", "json-parse-better-errors": "^1.0.2", "loader-runner": "^2.3.0", "loader-utils": "^1.1.0", "memory-fs": "~0.4.1", "micromatch": "^3.1.8", "mkdirp": "~0.5.0", "neo-async": "^2.5.0", "node-libs-browser": "^2.0.0", "schema-utils": "^0.4.4", "tapable": "^1.1.0", "terser-webpack-plugin": "^1.1.0", "watchpack": "^1.5.0", "webpack-sources": "^1.3.0" }, "devDependencies": { "@types/node": "^9.6.4", "@types/tapable": "^1.0.1", "@types/webpack-sources": "^0.1.4", "benchmark": "^2.1.1", "bundle-loader": "~0.5.0", "codacy-coverage": "^2.0.1", "coffee-loader": "^0.9.0", "coffeescript": "^1.10.0", "coveralls": "^3.0.2", "css-loader": "^0.28.3", "es6-promise-polyfill": "^1.1.1", "eslint": "^5.8.0", "eslint-config-prettier": "^3.1.0", "eslint-plugin-jest": "^21.26.2", "eslint-plugin-node": "^8.0.0", "eslint-plugin-prettier": "^3.0.0", "express": "~4.13.1", "file-loader": "^1.1.6", "glob": "^7.1.3", "husky": "^1.1.3", "i18n-webpack-plugin": "^1.0.0", "istanbul": "^0.4.5", "jade": "^1.11.0", "jade-loader": "~0.8.0", "jest": "24.0.0-alpha.1", "jest-junit": "^5.2.0", "json-loader": "^0.5.7", "json-schema-to-typescript": "^6.0.1", "less": "^2.5.1", "less-loader": "^4.0.3", "lint-staged": "^8.0.4", "lodash": "^4.17.4", "prettier": "^1.14.3", "pug": "^2.0.3", "pug-loader": "^2.4.0", "raw-loader": "~0.5.0", "react": "^15.2.1", "react-dom": "^15.2.1", "rimraf": "^2.6.2", "script-loader": "~0.7.0", "simple-git": "^1.65.0", "style-loader": "^0.19.1", "typescript": "^3.0.0-rc", "url-loader": "^0.6.2", "val-loader": "^1.0.2", "vm-browserify": "~0.0.0", "wast-loader": "^1.5.5", "webpack-dev-middleware": "^1.9.0", "worker-loader": "^1.1.1", "xxhashjs": "^0.2.1" }, "engines": { "node": ">=6.11.5" }, "repository": { "type": "git", "url": "https://github.com/webpack/webpack.git" }, "homepage": "https://github.com/webpack/webpack", "main": "lib/webpack.js", "web": "lib/webpack.web.js", "bin": "./bin/webpack.js", "files": [ "lib/", "bin/", "buildin/", "declarations/", "hot/", "web_modules/", "schemas/", "SECURITY.md" ], "scripts": { "setup": "node ./setup/setup.js", "test": "node --max-old-space-size=4096 --trace-deprecation node_modules/jest-cli/bin/jest", "test:update-snapshots": "yarn jest -u", "test:integration": "node --max-old-space-size=4096 --trace-deprecation node_modules/jest-cli/bin/jest --testMatch "<rootDir>/test/*.test.js"", "test:basic": "node --max-old-space-size=4096 --trace-deprecation node_modules/jest-cli/bin/jest --testMatch "<rootDir>/test/{TestCasesNormal,StatsTestCases,ConfigTestCases}.test.js"", "test:unit": "node --max-old-space-size=4096 --trace-deprecation node_modules/jest-cli/bin/jest --testMatch "<rootDir>/test/*.unittest.js"", "travis:integration": "yarn cover:init && yarn cover:integration --ci $JEST", "travis:basic": "yarn test:basic --ci $JEST", "travis:lint-unit": "yarn lint && yarn cover:init && yarn cover:unit --ci $JEST", "travis:benchmark": "yarn benchmark --ci", "appveyor:integration": "yarn cover:init && yarn cover:integration --ci %JEST%", "appveyor:unit": "yarn cover:init && yarn cover:unit --ci %JEST%", "appveyor:benchmark": "yarn benchmark --ci", "build:examples": "cd examples && node buildAll.js", "pretest": "yarn lint", "prelint": "yarn setup", "lint": "yarn code-lint && yarn schema-lint && yarn type-lint && yarn special-lint", "code-lint": "eslint --cache "{setup,lib,bin,hot,buildin,benchmark,tooling,schemas}/**/*.js" "test/*.js" "test/{configCases,watchCases,statsCases,hotCases}/**/webpack.config.js" "examples/**/webpack.config.js"", "type-lint": "tsc --pretty", "special-lint": "node tooling/inherit-types && node tooling/format-schemas && node tooling/compile-to-definitions", "special-lint-fix": "node tooling/inherit-types --write --override && node tooling/format-schemas --write && node tooling/compile-to-definitions --write", "fix": "yarn code-lint --fix && yarn special-lint-fix", "pretty": "prettier --loglevel warn --write "*.{ts,js,json,yml,yaml}" "{setup,lib,bin,hot,buildin,benchmark,tooling,schemas}/**/*.{js,json}" "test/*.js" "test/{configCases,watchCases,statsCases,hotCases}/**/webpack.config.js" "examples/**/webpack.config.js"", "schema-lint": "node --max-old-space-size=4096 node_modules/jest-cli/bin/jest --testMatch "<rootDir>/test/*.lint.js" --no-verbose", "benchmark": "node --max-old-space-size=4096 --trace-deprecation node_modules/jest-cli/bin/jest --testMatch "<rootDir>/test/*.benchmark.js" --runInBand", "cover": "yarn cover:init && yarn cover:all && yarn cover:report", "cover:init": "rimraf coverage", "cover:all": "node --max-old-space-size=4096 node_modules/jest-cli/bin/jest --coverage", "cover:integration": "node --max-old-space-size=4096 node_modules/jest-cli/bin/jest --testMatch "<rootDir>/test/*.test.js" --coverage", "cover:unit": "node --max-old-space-size=4096 node_modules/jest-cli/bin/jest --testMatch "<rootDir>/test/*.unittest.js" --coverage", "cover:report": "istanbul report" }, "husky": { "hooks": { "pre-commit": "lint-staged" } }, "lint-staged": { "*.js|{lib,setup,bin,hot,buildin,tooling,schemas}/**/*.js|test/*.js|{test,examples}/**/webpack.config.js}": [ "eslint --cache" ] }, "jest": { "forceExit": true, "setupFilesAfterEnv": [ "<rootDir>/test/setupTestFramework.js" ], "testMatch": [ "<rootDir>/test/*.test.js", "<rootDir>/test/*.unittest.js" ], "watchPathIgnorePatterns": [ "<rootDir>/.git", "<rootDir>/node_modules", "<rootDir>/test/js", "<rootDir>/test/browsertest/js", "<rootDir>/test/fixtures/temp-cache-fixture", "<rootDir>/test/fixtures/temp-", "<rootDir>/benchmark", "<rootDir>/examples/*/dist", "<rootDir>/coverage", "<rootDir>/.eslintcache" ], "modulePathIgnorePatterns": [ "<rootDir>/.git", "<rootDir>/node_modules/webpack/node_modules", "<rootDir>/test/js", "<rootDir>/test/browsertest/js", "<rootDir>/test/fixtures/temp-cache-fixture", "<rootDir>/test/fixtures/temp-", "<rootDir>/benchmark", "<rootDir>/examples/*/dist", "<rootDir>/coverage", "<rootDir>/.eslintcache" ], "transformIgnorePatterns": [ "<rootDir>" ], "coverageDirectory": "<rootDir>/coverage", "coveragePathIgnorePatterns": [ "\.runtime\.js$", "<rootDir>/test", "<rootDir>/schemas", "<rootDir>/node_modules" ], "testEnvironment": "node", "coverageReporters": [ "json" ] } }
结论
Vue2编译基于的node版本必须大于 6.11.5
Nodejs 版本5 对 ES6的支持度只有 57% complete46% complete
但是在版本6.4.0 提升到 95% complete91% complete
到版本 6.5.0 提升到 99% complete99%
这也说明 webpack最低支持 6.11的原因。
From： http://www.alloyteam.com/2016/07/nodejs-native-support-of-the-es6-features/
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