| 60 | const browserExternalNamespace = 'browser-external:' |
| 61 | |
| 62 | export function rolldownDepPlugin( |
| 63 | environment: Environment, |
| 64 | qualified: Record<string, string>, |
| 65 | external: string[], |
| 66 | ): RolldownPlugin[] { |
| 67 | const { isProduction } = environment.config |
| 68 | const { extensions } = environment.config.optimizeDeps |
| 69 | |
| 70 | // remove optimizable extensions from `externalTypes` list |
| 71 | const allExternalTypes = extensions |
| 72 | ? externalTypes.filter((type) => !extensions.includes('.' + type)) |
| 73 | : externalTypes |
| 74 | |
| 75 | // use separate package cache for optimizer as it caches paths around node_modules |
| 76 | // and it's unlikely for the core Vite process to traverse into node_modules again |
| 77 | const esmPackageCache: PackageCache = new Map() |
| 78 | const cjsPackageCache: PackageCache = new Map() |
| 79 | |
| 80 | const resolveAssets = (resolved: string, kind: ImportKind) => { |
| 81 | if (kind === 'require-call') { |
| 82 | // here it is not set to `external: true` to convert `require` to `import` |
| 83 | return { |
| 84 | id: externalWithConversionNamespace + resolved, |
| 85 | } |
| 86 | } |
| 87 | return { |
| 88 | id: resolved, |
| 89 | external: 'absolute' as const, |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | // default resolver which prefers ESM |
| 94 | const _resolve = createBackCompatIdResolver(environment.getTopLevelConfig(), { |
| 95 | asSrc: false, |
| 96 | scan: true, |
| 97 | packageCache: esmPackageCache, |
| 98 | }) |
| 99 | |
| 100 | // cjs resolver that prefers Node |
| 101 | const _resolveRequire = createBackCompatIdResolver( |
| 102 | environment.getTopLevelConfig(), |
| 103 | { |
| 104 | asSrc: false, |
| 105 | isRequire: true, |
| 106 | scan: true, |
| 107 | packageCache: cjsPackageCache, |
| 108 | }, |
| 109 | ) |
| 110 | |
| 111 | const resolve = ( |
| 112 | id: string, |
| 113 | importer: string | undefined, |
| 114 | kind: ImportKind, |
| 115 | ): Promise<string | undefined> => { |
| 116 | // map importer ids to file paths for correct resolution |
| 117 | const _importer = |
| 118 | importer && importer in qualified ? qualified[importer] : importer |
| 119 | const resolver = kind.startsWith('require') ? _resolveRequire : _resolve |