|  |  | 
 |  |  |       if (extParams.api == null) { | 
 |  |  |         throw new Error('Missing config option \'api\'.') | 
 |  |  |       } | 
 |  |  |       this.api = require('@/api' + extParams.api) | 
 |  |  |  | 
 |  |  |       if(extParams.api.indexOf('@/',0) === 0){ | 
 |  |  |         this.api = require(extParams.api) | 
 |  |  |       }else { | 
 |  |  |         this.api = require('@/api' + extParams.api) | 
 |  |  |       } | 
 |  |  |       // this.api = require('@/api' + extParams.api) | 
 |  |  |       extParams.module && (this.module = extParams.module) | 
 |  |  |       extParams['field.id'] && (this.configData['field.id'] = extParams['field.id']) | 
 |  |  |       extParams['field.main'] && (this.configData['field.main'] = extParams['field.main']) |