tronbox/build/components/Resolver/npm.js

TronBox - Simple development framework for Tron

"use strict";var path=require("path");var fs=require("fs");function NPM(working_directory){this.working_directory=working_directory}NPM.prototype.require=function(import_path,search_path){if(import_path.indexOf(".")===0||import_path.indexOf("/")===0){return null}var contract_name=path.basename(import_path,".sol");var regex=new RegExp("(.*)/".concat(contract_name));var package_name="";var matched=regex.exec(import_path);if(matched){package_name=matched[1]}var expected_path=path.join(search_path||this.working_directory,"node_modules",package_name,"build","contracts",contract_name+".json");try{var result=fs.readFileSync(expected_path,"utf8");return JSON.parse(result)}catch(e){return null}};NPM.prototype.resolve=function(import_path,imported_from,callback){var body;var modulesDir=this.working_directory;while(true){var expected_path=path.join(modulesDir,"node_modules",import_path);try{body=fs.readFileSync(expected_path,{encoding:"utf8"});break}catch(err){}var oldModulesDir=modulesDir;modulesDir=path.join(modulesDir,"..");if(modulesDir===oldModulesDir){break}}return callback(null,body,import_path)};NPM.prototype.resolve_dependency_path=function(import_path,dependency_path){var dirname=path.dirname(import_path);return path.join(dirname,dependency_path)};NPM.prototype.provision_contracts=function(callback){callback(null,{})};module.exports=NPM;