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chalk from \"chalk\";\r\nimport { dirname, relative, resolve } from \"path\";\r\nimport semver from \"semver\";\r\n\r\nimport { IConfiguration } from \".\";\r\n\r\nfunction resolvePackage(moduleStr: string, fromDir: string, alreadyResolved: Set<string>) {\r\n try {\r\n const resolved = resolve(\r\n require.resolve(moduleStr + \"/package.json\", {\r\n paths: [fromDir]\r\n })\r\n );\r\n const resolvedEntry = resolve(\r\n require.resolve(moduleStr, {\r\n paths: [fromDir]\r\n })\r\n );\r\n if (alreadyResolved.has(resolved)) {\r\n return null;\r\n }\r\n alreadyResolved.add(resolved);\r\n const directory = dirname(resolved);\r\n\r\n return {\r\n packageFile: resolved,\r\n directory,\r\n entry: resolvedEntry\r\n };\r\n } catch (err) {\r\n return null;\r\n }\r\n}\r\n\r\nexport function attemptModuleDeduplication(\r\n moduleStr: string,\r\n configuration: IConfiguration,\r\n fromPaths: string[]\r\n) {\r\n const resolved = new Set<string>();\r\n const resolvedIn = fromPaths\r\n .map(dir => resolvePackage(moduleStr, dir, resolved))\r\n .filter((el): el is NonNullable<ReturnType<typeof resolvePackage>> => Boolean(el));\r\n\r\n if (resolvedIn.length === 0) {\r\n return null;\r\n }\r\n if (resolvedIn.length === 1) {\r\n return resolvedIn[0].directory;\r\n }\r\n\r\n const packages = resolvedIn.map(data => {\r\n const packageData = require(data.packageFile);\r\n return {\r\n packageData,\r\n version: packageData.version,\r\n ...data\r\n };\r\n });\r\n\r\n packages.sort((a, b) => semver.compare(b.version, a.version));\r\n\r\n for (const { version } of packages.slice(1)) {\r\n const diff = semver.diff(packages[0].version, version);\r\n if (diff === \"major\" || diff === \"premajor\") {\r\n console.log(\r\n chalk.yellow(\r\n ` - WARNING: Cannot deduplicate versions ${version} and ${\r\n packages[0].version\r\n } of package ${chalk.cyanBright(moduleStr)} - ${diff} release differs`\r\n )\r\n );\r\n return null;\r\n }\r\n }\r\n console.log(\r\n chalk.green(\r\n ` - SUCCESS: Deduplicating versions package ${chalk.cyan(moduleStr)} into ${chalk.cyan(\r\n packages[0].version\r\n )} at ${chalk.cyan(relative(configuration.context, packages[0].directory))}`\r\n )\r\n );\r\n for (const { version, directory } of packages.slice(1)) {\r\n console.log(\r\n chalk.gray(` deduped ${version} @ ${relative(configuration.context, directory)}`)\r\n );\r\n }\r\n\r\n return packages[0].directory;\r\n}\r\n\r\nexport function createDeduplicationAliases(\r\n configuration: IConfiguration,\r\n fromPaths: Array<string | null>,\r\n deduplication?: Array<string | null>\r\n) {\r\n const alias: {\r\n [key: string]: string | undefined;\r\n } = {};\r\n\r\n const dedupeModules = new Set([\r\n ...(deduplication || []),\r\n \"lodash\",\r\n \"lodash-es\",\r\n \"iconv-lite\",\r\n \"busboy\",\r\n \"jsonwebtoken\",\r\n \"ms\",\r\n \"raw-body\",\r\n \"send\",\r\n \"statuses\",\r\n \"apollo-utilities\",\r\n \"react-apollo\",\r\n \"apollo-client\",\r\n \"apollo-server\",\r\n \"graphql\",\r\n \"webpack\"\r\n ]);\r\n\r\n const filteredPaths = fromPaths.filter((el): el is string => Boolean(el));\r\n\r\n for (const mod of dedupeModules) {\r\n if (mod == null) {\r\n continue;\r\n }\r\n const dedupedPath = attemptModuleDeduplication(mod, configuration, filteredPaths);\r\n if (dedupedPath != null) {\r\n alias[mod] = dedupedPath;\r\n }\r\n }\r\n\r\n if (alias[\"lodash-es\"] != null) {\r\n alias.lodash = alias[\"lodash-es\"];\r\n }\r\n\r\n return alias;\r\n}\r\n"]} |