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danvk / source-map-explorer

Analyze and debug space usage through source maps
Apache License 2.0
3.81k stars 119 forks source link

What is the no source mean? #222

Open lanmch opened 2 years ago

lanmch commented 2 years ago

recently, we change our npm manager, but i found that the no source increase too much, maybe every chunk +100~200KB, but I dont know how to find the real code which should not be added. hope for help

nikolay-borzov commented 2 years ago

From the README

Mapped code without source. It might be code generated by a bundler (e.g. webpack). Represented by [no source] in explore result.

It means there are record that don't have the source set (source man doesn't say to from which file the code came)