babel-plugin-bulk-import/lib/index.js

Babel plugin for bulk import from multiple files

'use strict';Object.defineProperty(exports,'__esModule',{value:true});var _glob=require('glob');var _glob2=_interopRequireDefault(_glob);var _path=require('path');var _path2=_interopRequireDefault(_path);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}/**
 * Created by madshall on 8/2/17.
 */exports.default=function(_ref){var t=_ref.types;return{visitor:{ImportDeclaration:function ImportDeclaration(path,state){var node=path.node;var options=state.opts;var source=node.source.value;// not our guy
if(!source.match(/\*/))return;var workingDirectory=this.file.opts.parserOpts.sourceFileName||this.file.opts.parserOpts.filename;var offsetDirectory=_path2.default.dirname(workingDirectory);// node module
if(!source.match(/^[./]/)){var anyModulePath=require.resolve('babel-core');source=anyModulePath.replace(/(.*\/node_modules\/).*/,'$1')+source}else{// building full path to source
source=_path2.default.join(offsetDirectory,source)}var lookFor=[];node.specifiers.forEach(function(_){if(t.isImportNamespaceSpecifier(_)){lookFor.push({source:'*',target:_.local.name})}else if(t.isImportSpecifier(_)){lookFor.push({source:_.imported.name,target:_.local.name})}});// get files
var files=_glob2.default.sync(source,{dot:true});if(!files.length){throw path.buildCodeFrameError('Empty import: '+node.source.value+'(resolved as: '+source+')')}if(lookFor.length){lookFor.forEach(function(importedFile){if(importedFile.source==='*'){// print var all = {};
var obj=t.variableDeclaration('const',[t.variableDeclarator(t.identifier(importedFile.target),t.objectExpression([]))]);path.insertBefore(obj);var funcId=path.scope.generateUidIdentifier('buildTree');var func=t.functionDeclaration(funcId,[t.identifier('v'),t.identifier('p'),t.identifier('a')],t.blockStatement([t.variableDeclaration('var',[t.variableDeclarator(t.identifier('o'),t.identifier('v'))]),t.expressionStatement(t.callExpression(t.memberExpression(t.identifier('p'),t.identifier('map')),[t.functionExpression(null,[t.identifier('_'),t.identifier('i')],t.blockStatement([t.expressionStatement(t.assignmentExpression('=',t.memberExpression(t.identifier('o'),t.identifier('_'),true),t.conditionalExpression(t.binaryExpression('==',t.identifier('i'),t.memberExpression(t.identifier('p'),t.identifier('length - 1'))),t.identifier('a'),t.logicalExpression('||',t.memberExpression(t.identifier('o'),t.identifier('_'),true),t.objectExpression([]))))),t.expressionStatement(t.assignmentExpression('=',t.identifier('o'),t.memberExpression(t.identifier('o'),t.identifier('_'),true)))]))]))]));path.insertBefore(func);files.forEach(function(fileName){var id=path.scope.generateUidIdentifier('bulkImport');var relative='./'+_path2.default.relative(_path2.default.dirname(workingDirectory),fileName);var importDeclaration=t.importDeclaration([t.importDefaultSpecifier(id)],t.stringLiteral(relative));var objectPath=relative.replace(/(^\.*\/)|(\.[^/.]+$)|(\.\.\/)/g,'').replace(/\//g,'.').split('.');var objectPathExpression=objectPath.map(function(_){return t.stringLiteral(_)});var thing=t.expressionStatement(t.callExpression(t.identifier(funcId.name),[t.identifier(importedFile.target),t.arrayExpression(objectPathExpression),t.identifier(id.name)]));path.insertBefore(thing);path.insertAfter(importDeclaration)})}else{var definition=t.variableDeclaration('var',[t.variableDeclarator(t.identifier(importedFile.target))]);path.insertBefore(definition);files.forEach(function(fileName){var id=path.scope.generateUidIdentifier('bulkImport');var relative='./'+_path2.default.relative(_path2.default.dirname(workingDirectory),fileName);var baseName=_path2.default.basename(fileName).replace(/\.[^/.]+$/,'');// not our export
if(baseName!==importedFile.source)return;var importDeclaration=t.importDeclaration([t.importDefaultSpecifier(id)],t.stringLiteral(relative));var thing=t.assignmentExpression('=',t.identifier(importedFile.target),id);path.insertBefore(thing);path.insertAfter(importDeclaration)})}});path.remove()}else{throw path.buildCodeFrameError('Syntax error: wrong import statement')}}}}};