@tanstack/router-plugin/dist/cjs/core/route-autoimport-plugin.cjs.map

Modern and scalable routing for React applications

{"version":3,"file":"route-autoimport-plugin.cjs","names":[],"sources":["../../../src/core/route-autoimport-plugin.ts"],"sourcesContent":["import { generateFromAst, logDiff, parseAst } from '@tanstack/router-utils'\nimport * as babel from '@babel/core'\nimport * as template from '@babel/template'\nimport { getConfig } from './config'\nimport { debug, normalizePath } from './utils'\nimport type { Config } from './config'\nimport type { UnpluginFactory } from 'unplugin'\n\n/**\n * This plugin adds imports for createFileRoute and createLazyFileRoute to the file route.\n */\nexport const unpluginRouteAutoImportFactory: UnpluginFactory<\n  Partial<Config | (() => Config)> | undefined\n> = (options = {}) => {\n  let ROOT: string = process.cwd()\n  let userConfig: Config\n\n  function initUserConfig() {\n    if (typeof options === 'function') {\n      userConfig = options()\n    } else {\n      userConfig = getConfig(options, ROOT)\n    }\n  }\n  return {\n    name: 'tanstack-router:autoimport',\n    enforce: 'pre',\n\n    transform: {\n      filter: {\n        // this is necessary for webpack / rspack to avoid matching .html files\n        id: /\\.(m|c)?(j|t)sx?$/,\n        code: /createFileRoute\\(|createLazyFileRoute\\(/,\n      },\n      handler(code, id) {\n        const normalizedId = normalizePath(id)\n        if (!globalThis.TSR_ROUTES_BY_ID_MAP?.has(normalizedId)) {\n          return null\n        }\n        let routeType: 'createFileRoute' | 'createLazyFileRoute'\n        if (code.includes('createFileRoute(')) {\n          routeType = 'createFileRoute'\n        } else if (code.includes('createLazyFileRoute(')) {\n          routeType = 'createLazyFileRoute'\n        } else {\n          return null\n        }\n\n        const routerImportPath = `@tanstack/${userConfig.target}-router`\n\n        const ast = parseAst({ code })\n\n        let isCreateRouteFunctionImported = false as boolean\n\n        babel.traverse(ast, {\n          Program: {\n            enter(programPath) {\n              programPath.traverse({\n                ImportDeclaration(path) {\n                  const importedSpecifiers = path.node.specifiers.map(\n                    (specifier) => specifier.local.name,\n                  )\n                  if (\n                    importedSpecifiers.includes(routeType) &&\n                    path.node.source.value === routerImportPath\n                  ) {\n                    isCreateRouteFunctionImported = true\n                  }\n                },\n              })\n            },\n          },\n        })\n\n        if (!isCreateRouteFunctionImported) {\n          if (debug) console.info('Adding autoimports to route ', normalizedId)\n\n          const autoImportStatement = template.statement(\n            `import { ${routeType} } from '${routerImportPath}'`,\n          )()\n          ast.program.body.unshift(autoImportStatement)\n\n          const result = generateFromAst(ast, {\n            sourceMaps: true,\n            filename: normalizedId,\n            sourceFileName: normalizedId,\n          })\n          if (debug) {\n            logDiff(code, result.code)\n            console.log('Output:\\n', result.code + '\\n\\n')\n          }\n          return result\n        }\n\n        return null\n      },\n    },\n\n    vite: {\n      configResolved(config) {\n        ROOT = config.root\n        initUserConfig()\n      },\n      // this check may only happen after config is resolved, so we use applyToEnvironment (apply is too early)\n      applyToEnvironment() {\n        return userConfig.verboseFileRoutes === false\n      },\n    },\n\n    rspack() {\n      ROOT = process.cwd()\n      initUserConfig()\n    },\n\n    webpack() {\n      ROOT = process.cwd()\n      initUserConfig()\n    },\n  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