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Fixes lists with mixed indentation #485

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Merged
wooorm merged 3 commits into from
Apr 19, 2020
Merged

Fixes lists with mixed indentation #485

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e39d35f
Fixes lists with mixed indentation
scinos Apr 6, 2020
6c29c00
Remove temporary directory
scinos Apr 8, 2020
3bac549
Added tests for lists with mixed indentation
scinos Apr 13, 2020
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6 changes: 5 additions & 1 deletion packages/remark-parse/lib/util/get-indentation.js
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ function indentation(value) {
var character = value.charAt(index)
var stops = {}
var size
var lastIndent = 0

while (character === tab || character === space) {
size = character === tab ? tabSize : spaceSize
Expand All @@ -25,7 +26,10 @@ function indentation(value) {
indent = Math.floor(indent / size) * size
}

stops[indent] = index
while (lastIndent < indent) {
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@scinos scinos Apr 7, 2020

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For spaces (i.e. with indent - lastIndent == 1), this is equivalent to just stops[indent]=index; lastIndent=indent

For tabs, this will create entries in stops for all intermediate indents since the last one. For example, if the last indentation point is 1 (a space), and the next indentation point is 5 (a tab follows the initial space), this will add stops 2, 3, 4 and 5 pointing to character 1 (the tab).

stops[++lastIndent] = index
}

character = value.charAt(++index)
}

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15 changes: 1 addition & 14 deletions packages/remark-parse/lib/util/remove-indentation.js
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,6 @@ var getIndent = require('./get-indentation')

module.exports = indentation

var tab = '\t'
var lineFeed = '\n'
var space = ' '
var exclamationMark = '!'
Expand All @@ -21,7 +20,6 @@ function indentation(value, maximum) {
var index
var indentation
var stops
var padding

values.unshift(repeat(space, maximum) + exclamationMark)

Expand Down Expand Up @@ -56,18 +54,7 @@ function indentation(value, maximum) {
index--
}

if (
trim(values[position]).length !== 0 &&
minIndent &&
index !== minIndent
) {
padding = tab
} else {
padding = ''
}

values[position] =
padding + values[position].slice(index in stops ? stops[index] + 1 : 0)
values[position] = values[position].slice(stops[index] + 1)
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@scinos scinos Apr 7, 2020

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This is not needed anymore because stops will now contain all indentation points, therefore index will never be different than minIndent.

}
}

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34 changes: 34 additions & 0 deletions test/fixtures/input/list-mixed-indentation.text
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Original file line number Diff line number Diff line change
@@ -0,0 +1,34 @@
# Mixed spaces and tabs

- (item 1.) Minimum list, equivalent to two spaces
- (item 2.) indented with 1 space, not enough indentation to be a subitem
- (item 2.1.) indented with tab


- (item 1.) Minimum list, equivalent to two spaces
- (item 1.1.) indentend with 2 spaces
- (item 1.2.) indented with tab


- (item 1.) List with 1 extra space
- (item 1.1.) indentend with 3 spaces
- (item 1.2.) indented with tab


- (item 1.) List with 2 extra space, equivalent to 1 tab indentation
- (item 1.1.) indentend with 4 spaces
- (item 1.2.) indented with tab


- (item 1.) List with 1 tab, equivalent to 4 spaces
- (item 1.1.) indentend with 4 spaces
- (item 1.2.) indented with tab


- (item 1.) list with double indentation and mixed items
- (item 1.1.) normal indentation with 1 tab
- (item 1.1.1.) item with 4 spaces + 4 spaces
- (item 1.1.2.) item with tab + 4 spaces
- (item 1.1.3.) item with 4 spaces + tab
- (item 1.1.4.) item with tab + tab
- (item 1.1.5.) item with 2 spaces + tab + 2 spaces (nasty!)
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