| /* |
| MIT License http://www.opensource.org/licenses/mit-license.php |
| Author Tobias Koppers @sokra |
| */ |
| "use strict"; |
| |
| const Hook = require("./Hook"); |
| const HookCodeFactory = require("./HookCodeFactory"); |
| |
| class AsyncSeriesWaterfallHookCodeFactory extends HookCodeFactory { |
| content({ onError, onResult, onDone }) { |
| return this.callTapsSeries({ |
| onError: (i, err, next, doneBreak) => onError(err) + doneBreak(true), |
| onResult: (i, result, next) => { |
| let code = ""; |
| code += `if(${result} !== undefined) {\n`; |
| code += `${this._args[0]} = ${result};\n`; |
| code += `}\n`; |
| code += next(); |
| return code; |
| }, |
| onDone: () => onResult(this._args[0]) |
| }); |
| } |
| } |
| |
| const factory = new AsyncSeriesWaterfallHookCodeFactory(); |
| |
| class AsyncSeriesWaterfallHook extends Hook { |
| constructor(args) { |
| super(args); |
| if (args.length < 1) |
| throw new Error("Waterfall hooks must have at least one argument"); |
| } |
| |
| compile(options) { |
| factory.setup(this, options); |
| return factory.create(options); |
| } |
| } |
| |
| Object.defineProperties(AsyncSeriesWaterfallHook.prototype, { |
| _call: { value: undefined, configurable: true, writable: true } |
| }); |
| |
| module.exports = AsyncSeriesWaterfallHook; |