{"action":"closed","issue":{"url":"https://api.github.com/repos/SitePen/remap-istanbul/issues/8","labels_url":"https://api.github.com/repos/SitePen/remap-istanbul/issues/8/labels{/name}","comments_url":"https://api.github.com/repos/SitePen/remap-istanbul/issues/8/comments","events_url":"https://api.github.com/repos/SitePen/remap-istanbul/issues/8/events","html_url":"https://github.com/SitePen/remap-istanbul/issues/8","id":110645046,"number":8,"title":"WeakMap is not defined","user":{"login":"stevehipwell","id":6552347,"avatar_url":"https://avatars.githubusercontent.com/u/6552347?v=3","gravatar_id":"","url":"https://api.github.com/users/stevehipwell","html_url":"https://github.com/stevehipwell","followers_url":"https://api.github.com/users/stevehipwell/followers","following_url":"https://api.github.com/users/stevehipwell/following{/other_user}","gists_url":"https://api.github.com/users/stevehipwell/gists{/gist_id}","starred_url":"https://api.github.com/users/stevehipwell/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/stevehipwell/subscriptions","organizations_url":"https://api.github.com/users/stevehipwell/orgs","repos_url":"https://api.github.com/users/stevehipwell/repos","events_url":"https://api.github.com/users/stevehipwell/events{/privacy}","received_events_url":"https://api.github.com/users/stevehipwell/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/SitePen/remap-istanbul/labels/invalid","name":"invalid","color":"e6e6e6"}],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":17,"created_at":"2015-10-09T12:10:30Z","updated_at":"2015-10-13T12:55:10Z","closed_at":"2015-10-13T12:55:09Z","body":"I'm getting the following error when trying to use the gulp plugin (under Visual Studio 2015). I've upgraded to the latest node.js version and it's still an issue.\r\n\r\n```\r\ncmd.exe /c gulp --tasks-simple\r\nReferenceError: WeakMap is not defined\r\n    at Object.<anonymous> (C:\\Users\\hipwells\\Git\\gk-online\\src\\app\\node_modules\\remap-istanbul\\lib\\remap.js:18:21)\r\n    at runFactory (C:\\Users\\hipwells\\Git\\gk-online\\src\\app\\node_modules\\remap-istanbul\\node_modules\\amdefine\\amdefine.js:183:30)\r\n    at define (C:\\Users\\hipwells\\Git\\gk-online\\src\\app\\node_modules\\remap-istanbul\\node_modules\\amdefine\\amdefine.js:277:13)\r\n    at Object.<anonymous> (C:\\Users\\hipwells\\Git\\gk-online\\src\\app\\node_modules\\remap-istanbul\\lib\\remap.js:4:1)\r\n    at Module._compile (module.js:456:26)\r\n    at Object.Module._extensions..js (module.js:474:10)\r\n    at Module.load (module.js:356:32)\r\n    at Function.Module._load (module.js:312:12)\r\n    at Module.require (module.js:364:17)\r\n    at req (C:\\Users\\hipwells\\Git\\gk-online\\src\\app\\node_modules\\remap-istanbul\\node_modules\\amdefine\\amdefine.js:144:31)\r\n```"}}