# How to make bundle false in dev mode

**URL:** <https://discuss.elastic.co/t/how-to-make-bundle-false-in-dev-mode/82749>\
**Category:** Kibana\
**Created:** [April 18, 2017, 4:40pm UTC](https://discuss.elastic.co/t/how-to-make-bundle-false-in-dev-mode/82749 "2017-04-18T16:40:08Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![whoami](https://avatars.discourse-cdn.com/v4/letter/w/a9a28c/32.png) [@whoami](https://discuss.elastic.co/u/whoami)\
**Post date:** [April 18, 2017, 4:40pm UTC](https://discuss.elastic.co/t/how-to-make-bundle-false-in-dev-mode/82749/1 "2017-04-18T16:40:08Z")

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how to make bundle false in kibana 5.x dev mode, optimize is really slow

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**Author:** ![Bargs](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/bargs/32/5429_2.png) [@Bargs](https://discuss.elastic.co/u/Bargs)\
**Post date:** [April 18, 2017, 4:52pm UTC](https://discuss.elastic.co/t/how-to-make-bundle-false-in-dev-mode/82749/2 "2017-04-18T16:52:47Z")

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You want to turn off bundling? What are you trying to do? Without bundling you won't be able to see any changes you make reflected in the frontend code. Usually the initial optimization takes awhile, but subsequent optimizations for small changes should be very fast.

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**Author:** ![whoami](https://avatars.discourse-cdn.com/v4/letter/w/a9a28c/32.png) [@whoami](https://discuss.elastic.co/u/whoami)\
**Post date:** [April 19, 2017, 12:05pm UTC](https://discuss.elastic.co/t/how-to-make-bundle-false-in-dev-mode/82749/3 "2017-04-19T12:05:05Z")

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not really fast on my mac. most important is that I cannot easily debug the source code of front js

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**Author:** ![Bargs](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/bargs/32/5429_2.png) [@Bargs](https://discuss.elastic.co/u/Bargs)\
**Post date:** [April 19, 2017, 3:28pm UTC](https://discuss.elastic.co/t/how-to-make-bundle-false-in-dev-mode/82749/4 "2017-04-19T15:28:52Z")

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you should get source maps in dev mode by default. Are you not? Are you starting kibana with `npm start`? Also what version of Kibana are you developing on?

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**Author:** ![whoami](https://avatars.discourse-cdn.com/v4/letter/w/a9a28c/32.png) [@whoami](https://discuss.elastic.co/u/whoami)\
**Post date:** [April 24, 2017, 10:53am UTC](https://discuss.elastic.co/t/how-to-make-bundle-false-in-dev-mode/82749/5 "2017-04-24T10:53:06Z")

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yes i use npm start in version 5.2.0

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<div class="post-metadata">

**Author:** ![Bargs](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/bargs/32/5429_2.png) [@Bargs](https://discuss.elastic.co/u/Bargs)\
**Post date:** [April 24, 2017, 2:35pm UTC](https://discuss.elastic.co/t/how-to-make-bundle-false-in-dev-mode/82749/6 "2017-04-24T14:35:58Z")

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And you're not getting sourcemaps? They should be automatically generated by default and I know Chrome at least will recognize them automatically.

If you're not getting sourcemaps, are you using any custom webpack config in kibana.yml or kibana.dev.yml perhaps?

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [May 22, 2017, 2:39pm UTC](https://discuss.elastic.co/t/how-to-make-bundle-false-in-dev-mode/82749/7 "2017-05-22T14:39:51Z")

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