Archan Patkar archanpatkar
archanpatkar
/ itertools.js
Created
July 16, 2017 21:37
Using ES6 Generator prototype model to implement lazy chaining. When you set the prototype of multiple Generator Functions to a common prototype you can chain them. Examples at the bottom. (this code currently only works in Firefox Aurora, but will eventually work in all JS engines).
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| const module = { exports: {} }; | |
| let exports = module.exports; | |
| const GeneratorFunction = function*(){}.constructor; | |
| const iteratorSymbol = (typeof Symbol === "function" && Symbol.iterator) || "@@iterator"; | |
| const MISSING = {}; | |
| /** | |
| * A generator function is always called as a constructor. If multiple | |
| * generators share the same prototype, and you put generators on that shared |