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19h/harmony.js

Last active August 29, 2015 14:01
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Javascript Harmony (ES6) detection and >=0.11 Node.js requirement.
Raw
harmony.js
try {
(new Map).set();
require("assert").ok((process.version.split(".")[1]|0) > 10);
} catch (e) {
console.log("\nSupport for ES5 environments was dropped.\nES6 is required; Please upgrade to >= 0.11 and run node with --harmony.\n\nYou are currently using " + process.version + ".\n\n"), process.reallyExit()
}
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