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Unexpected parsing of `not` query with Android stats

See original GitHub issue

If you have a browserslist-stats.json like the following:

{
	"android": {
		"3": 0,
		"4": 0,
		"66": 3,
		"2.1": 0,
		"2.2": 0,
		"2.3": 0,
		"4.1": 0,
		"4.2-4.3": 0,
		"4.4": 0.0008008986082384436,
		"4.4.3-4.4.4": 0
	},
	"and_chr": {
		"66": 3
	},
	"firefox": {
		"57": 0.01121258051533821,
		"58": 0.0014015725644172762,
		"59": 0.04695268090797875,
		"60": 0.10922254769851773,
		"61": 5.358712475397396,
		"62": 1.956895636904607,
		"3.5": 0,
		"3.6": 0
	}
}

And a browserslist config like so:

[production]
> 0.5% in my stats
not android <= 66
not and_chr <= 66
not firefox <= 62

The output of npx browserslist is

and_chr 66
android 66

As you expect to see, it excludes all versions of Firefox (specifically versions 62 and lower) even though they’re greater than 0.5% in stats, however, Android version 66 is still being targeted.

The expected output with this example config would be no targets whatsoever.

Issue Analytics

State:
Created 5 years ago
Comments:8 (8 by maintainers)

Top GitHub Comments

1reaction

aicommented, Oct 16, 2018

OH 😦 I hate instability of caniuse-db 😦

I will think

1reaction

aicommented, Oct 16, 2018

Got you. I asked about android 66.

I will look at it this week.

If you want to fix it faster, you can debug it yourself (it is simple few files project).

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