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@flow\n\nimport {\n dirname,\n resolve\n} from 'path';\nimport babelPluginJsxSyntax from 'babel-plugin-syntax-jsx';\nimport BabelTypes from 'babel-types';\nimport ajvKeywords from 'ajv-keywords';\nimport Ajv from 'ajv';\nimport optionsSchema from './schemas/optionsSchema.json';\nimport optionsDefaults from './schemas/optionsDefaults';\nimport createObjectExpression from './createObjectExpression';\nimport requireCssModule from './requireCssModule';\nimport resolveStringLiteral from './resolveStringLiteral';\nimport replaceJsxExpressionContainer from './replaceJsxExpressionContainer';\n\nconst ajv = new Ajv({\n // eslint-disable-next-line id-match\n $data: true\n});\n\najvKeywords(ajv);\n\nconst validate = ajv.compile(optionsSchema);\n\nexport default ({\n types: t\n}: {\n types: BabelTypes\n}) => {\n const filenameMap = {};\n\n const setupFileForRuntimeResolution = (path, filename) => {\n const programPath = path.findParent((parentPath) => {\n return parentPath.isProgram();\n });\n\n filenameMap[filename].importedHelperIndentifier = programPath.scope.generateUidIdentifier('getClassName');\n filenameMap[filename].styleModuleImportMapIdentifier = programPath.scope.generateUidIdentifier('styleModuleImportMap');\n\n programPath.unshiftContainer(\n 'body',\n t.importDeclaration(\n [\n t.importDefaultSpecifier(\n filenameMap[filename].importedHelperIndentifier\n )\n ],\n t.stringLiteral('babel-plugin-react-css-modules/dist/browser/getClassName')\n )\n );\n\n const firstNonImportDeclarationNode = programPath.get('body').find((node) => {\n return !t.isImportDeclaration(node);\n });\n\n firstNonImportDeclarationNode.insertBefore(\n t.variableDeclaration(\n 'const',\n [\n t.variableDeclarator(\n filenameMap[filename].styleModuleImportMapIdentifier,\n createObjectExpression(t, filenameMap[filename].styleModuleImportMap)\n )\n ]\n )\n );\n // eslint-disable-next-line no-console\n // console.log('setting up', filename, util.inspect(filenameMap,{depth: 5}))\n };\n\n const addWebpackHotModuleAccept = (path) => {\n const test = t.memberExpression(t.identifier('module'), t.identifier('hot'));\n const consequent = t.blockStatement([\n t.expressionStatement(\n t.callExpression(\n t.memberExpression(\n t.memberExpression(t.identifier('module'), t.identifier('hot')),\n t.identifier('accept')\n ),\n [\n t.stringLiteral(path.node.source.value),\n t.functionExpression(null, [], t.blockStatement([\n t.expressionStatement(\n t.callExpression(\n t.identifier('require'),\n [t.stringLiteral(path.node.source.value)]\n )\n )\n ]))\n ]\n )\n )\n ]);\n\n const programPath = path.findParent((parentPath) => {\n return parentPath.isProgram();\n });\n\n const firstNonImportDeclarationNode = programPath.get('body').find((node) => {\n return !t.isImportDeclaration(node);\n });\n\n const hotAcceptStatement = t.ifStatement(test, consequent);\n\n if (firstNonImportDeclarationNode) {\n firstNonImportDeclarationNode.insertBefore(hotAcceptStatement);\n } else {\n programPath.pushContainer('body', hotAcceptStatement);\n }\n };\n\n const getTargetResourcePath = (path: *, stats: *) => {\n const targetFileDirectoryPath = dirname(stats.file.opts.filename);\n\n if (path.node.source.value.startsWith('.')) {\n return resolve(targetFileDirectoryPath, path.node.source.value);\n }\n\n return require.resolve(path.node.source.value);\n };\n\n const notForPlugin = (path: *, stats: *) => {\n stats.opts.filetypes = stats.opts.filetypes || {};\n\n const extension = path.node.source.value.lastIndexOf('.') > -1 ? path.node.source.value.substr(path.node.source.value.lastIndexOf('.')) : null;\n\n if (extension !== '.css' && Object.keys(stats.opts.filetypes).indexOf(extension) < 0) {\n return true;\n }\n\n if (stats.opts.exclude && getTargetResourcePath(path, stats).match(new RegExp(stats.opts.exclude))) {\n return true;\n }\n\n return false;\n };\n\n return {\n inherits: babelPluginJsxSyntax,\n visitor: {\n ImportDeclaration (path: *, stats: *): void {\n if (notForPlugin(path, stats)) {\n return;\n }\n\n const filename = stats.file.opts.filename;\n const targetResourcePath = getTargetResourcePath(path, stats);\n\n let styleImportName: string;\n\n if (path.node.specifiers.length === 0) {\n // use imported file path as import name\n styleImportName = path.node.source.value;\n } else if (path.node.specifiers.length === 1) {\n styleImportName = path.node.specifiers[0].local.name;\n } else {\n // eslint-disable-next-line no-console\n console.warn('Please report your use case. https://github.com/gajus/babel-plugin-react-css-modules/issues/new?title=Unexpected+use+case.');\n\n throw new Error('Unexpected use case.');\n }\n\n filenameMap[filename].styleModuleImportMap[styleImportName] = requireCssModule(targetResourcePath, {\n context: stats.opts.context,\n filetypes: stats.opts.filetypes || {},\n generateScopedName: stats.opts.generateScopedName\n });\n\n if (stats.opts.webpackHotModuleReloading) {\n addWebpackHotModuleAccept(path);\n }\n\n if (stats.opts.removeImport) {\n path.remove();\n }\n },\n JSXElement (path: *, stats: *): void {\n const filename = stats.file.opts.filename;\n\n let attributeNames = optionsDefaults.attributeNames;\n\n if (stats.opts && stats.opts.attributeNames) {\n attributeNames = Object.assign({}, attributeNames, stats.opts.attributeNames);\n }\n\n const attributes = path.node.openingElement.attributes\n .filter((attribute) => {\n return typeof attribute.name !== 'undefined' && typeof attributeNames[attribute.name.name] === 'string';\n });\n\n if (attributes.length === 0) {\n return;\n }\n\n const handleMissingStyleName = stats.opts && stats.opts.handleMissingStyleName || optionsDefaults.handleMissingStyleName;\n\n for (const attribute of attributes) {\n const destinationName = attributeNames[attribute.name.name];\n\n if (t.isStringLiteral(attribute.value)) {\n resolveStringLiteral(\n path,\n filenameMap[filename].styleModuleImportMap,\n attribute,\n destinationName,\n {\n handleMissingStyleName\n }\n );\n } else if (t.isJSXExpressionContainer(attribute.value)) {\n if (!filenameMap[filename].importedHelperIndentifier) {\n setupFileForRuntimeResolution(path, filename);\n }\n replaceJsxExpressionContainer(\n t,\n path,\n attribute,\n destinationName,\n filenameMap[filename].importedHelperIndentifier,\n filenameMap[filename].styleModuleImportMapIdentifier,\n {\n handleMissingStyleName\n }\n );\n }\n }\n },\n Program (path: *, stats: *): void {\n if (!validate(stats.opts)) {\n // eslint-disable-next-line no-console\n console.error(validate.errors);\n\n throw new Error('Invalid configuration');\n }\n\n const filename = stats.file.opts.filename;\n\n filenameMap[filename] = {\n styleModuleImportMap: {}\n };\n }\n }\n };\n};\n"]} |