{"action":"opened","issue":{"url":"https://api.github.com/repos/esperantojs/esperanto/issues/147","labels_url":"https://api.github.com/repos/esperantojs/esperanto/issues/147/labels{/name}","comments_url":"https://api.github.com/repos/esperantojs/esperanto/issues/147/comments","events_url":"https://api.github.com/repos/esperantojs/esperanto/issues/147/events","html_url":"https://github.com/esperantojs/esperanto/issues/147","id":67023326,"number":147,"title":"Can't generate inline sourcemaps","user":{"login":"webdesserts","id":916253,"avatar_url":"https://avatars.githubusercontent.com/u/916253?v=3","gravatar_id":"","url":"https://api.github.com/users/webdesserts","html_url":"https://github.com/webdesserts","followers_url":"https://api.github.com/users/webdesserts/followers","following_url":"https://api.github.com/users/webdesserts/following{/other_user}","gists_url":"https://api.github.com/users/webdesserts/gists{/gist_id}","starred_url":"https://api.github.com/users/webdesserts/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/webdesserts/subscriptions","organizations_url":"https://api.github.com/users/webdesserts/orgs","repos_url":"https://api.github.com/users/webdesserts/repos","events_url":"https://api.github.com/users/webdesserts/events{/privacy}","received_events_url":"https://api.github.com/users/webdesserts/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-04-08T01:00:54Z","updated_at":"2015-04-08T01:00:54Z","closed_at":null,"body":"On 0.6.27 I can't seem to get inline sourcemaps working with a bundle. I keep getting the following error:\r\n\r\n```\r\nTypeError: Cannot read property 'split' of null\r\n    at Object.Bundle.generateMap (/Users/michael/code/alchemist-js/node_modules/esperanto/node_modules/magic-string/dist/magic-string.js:120:23)\r\n    at packageResult (/Users/michael/code/alchemist-js/node_modules/esperanto/dist/esperanto.js:1756:14)\r\n    at builders_defaultsMode_cjs__cjs (/Users/michael/code/alchemist-js/node_modules/esperanto/dist/esperanto.js:2326:9)\r\n    at transpile (/Users/michael/code/alchemist-js/node_modules/esperanto/dist/esperanto.js:2578:12)\r\n    at Object.toCjs (/Users/michael/code/alchemist-js/node_modules/esperanto/dist/esperanto.js:2544:39)\r\n    at /Users/michael/code/alchemist-js/gulpfile.js:63:33\r\n    at $$$internal$$tryCatch (/Users/michael/code/alchemist-js/node_modules/esperanto/node_modules/sander/node_modules/es6-promise/dist/es6-promise.js:304:16)\r\n    at $$$internal$$invokeCallback (/Users/michael/code/alchemist-js/node_modules/esperanto/node_modules/sander/node_modules/es6-promise/dist/es6-promise.js:316:17)\r\n    at $$$internal$$publish (/Users/michael/code/alchemist-js/node_modules/esperanto/node_modules/sander/node_modules/es6-promise/dist/es6-promise.js:287:11)\r\n    at $$asap$$flush (/Users/michael/code/alchemist-js/node_modules/esperanto/node_modules/sander/node_modules/es6-promise/dist/es6-promise.js:111:9)\r\n    at process._tickDomainCallback (node.js:381:11)\r\n```\r\n\r\nI believe the lines referenced in the error are [here](https://github.com/Rich-Harris/magic-string/blob/master/src/Bundle/index.js#L60) and [here](https://github.com/esperantojs/esperanto/blob/master/src/utils/packageResult.js#L26-L27)"}}