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UI: Fix the missing pixels issue with distribution-bar #4507

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merged 3 commits into from
Jul 13, 2018

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DingoEatingFuzz
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These two pixels have been a thorn in my side for a long time.

This fixes two bugs that amount to the same missing pixel issue:

  1. Subtraction based on index was using the wrong index due to slices being filtered out when they have a value of 0.
  2. Subtracting 1 instead of 2 when a slice is both the first and last slice in the set.

Here are some very subtle before and after screenshots:

Bug 1: A missing pixel on the right side due to wrong indices

before
screen shot 2018-07-12 at 4 43 46 pm

after
image

Bug 2: A missing pixel on either side due to subtracting only 1 instead of 2.

before
screen shot 2018-07-12 at 4 40 22 pm

after
screen shot 2018-07-12 at 4 40 37 pm

@@ -76,6 +76,9 @@ export default Component.extend(WindowResizable, {
const { chart, _data, isNarrow } = this.getProperties('chart', '_data', 'isNarrow');
const width = this.$('svg').width();
const filteredData = _data.filter(d => d.value > 0);
filteredData.forEach((d, index) => {
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I read a thing about preference of for ... of over forEach loops recently and have been trying to use them more. I certainly like they way they read, though that's not necessarily true of the transpiled code.

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I always forget that JS has better for loops now.

// Remove a pixel from either side of the slice
let modifier = 2;
if (d.index === 0) modifier--; // But not the left side
if (d.index === sliceCount - 1) modifier--; // But not the right side
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These three lines are clever (in a good way).

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@meirish meirish left a comment

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Nice improvement - I never knew they weren't square corners!

@DingoEatingFuzz DingoEatingFuzz merged commit 62cdc28 into master Jul 13, 2018
@DingoEatingFuzz DingoEatingFuzz deleted the b-ui-dist-bar-corners branch July 13, 2018 18:04
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2 participants