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Include input source map in file coverage #23

Merged
merged 1 commit into from
Nov 10, 2016
Merged

Include input source map in file coverage #23

merged 1 commit into from
Nov 10, 2016

Commits on Nov 7, 2016

  1. Include input source map in file coverage 

    Add an option to include an input source map. The input source map
is the source map that maps the code before its instumentation back it's
original form. This is needed to support more complex setups, e.g. when
bundlers are involved. If a bundler like webpack, browserify - or you
name it - is used, then there are several, intermediate, source maps
involved. The main issue is, that the instrumented code is bundled
into a single file, and therefore a new source map is created. But the
source map of the bundled file cannot be used to remap the istanbul coverage.
Therefore, these intermediate source maps need to be stored to be available
when creating the report or remaping.

This solution is kind of hacky and should start a discussion how to solve
it best. Anyway, it fixes variouis issues that, up to now, required hacky
solutions.

refs SitePen/remap-istanbul#2
    Micha Reiser committed Nov 7, 2016
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