60 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict';
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| 
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| Object.defineProperty(exports, "__esModule", {
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|     value: true
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| });
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| 
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| exports.default = function (worker, concurrency) {
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|     // Start with a normal queue
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|     var q = (0, _queue2.default)(worker, concurrency);
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| 
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|     var {
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|         push,
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|         pushAsync
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|     } = q;
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| 
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|     q._tasks = new _Heap2.default();
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|     q._createTaskItem = ({ data, priority }, callback) => {
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|         return {
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|             data,
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|             priority,
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|             callback
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|         };
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|     };
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| 
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|     function createDataItems(tasks, priority) {
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|         if (!Array.isArray(tasks)) {
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|             return { data: tasks, priority };
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|         }
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|         return tasks.map(data => {
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|             return { data, priority };
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|         });
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|     }
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| 
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|     // Override push to accept second parameter representing priority
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|     q.push = function (data, priority = 0, callback) {
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|         return push(createDataItems(data, priority), callback);
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|     };
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| 
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|     q.pushAsync = function (data, priority = 0, callback) {
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|         return pushAsync(createDataItems(data, priority), callback);
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|     };
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| 
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|     // Remove unshift functions
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|     delete q.unshift;
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|     delete q.unshiftAsync;
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| 
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|     return q;
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| };
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| 
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| var _queue = require('./queue.js');
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| 
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| var _queue2 = _interopRequireDefault(_queue);
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| 
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| var _Heap = require('./internal/Heap.js');
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| 
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| var _Heap2 = _interopRequireDefault(_Heap);
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| 
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| function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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| 
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| module.exports = exports.default; |