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Fix minor code style issues in matchbrackets addon

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Less ambiguous variable names. Less duplication. The minor
issues have been introduced in T270317.

Bug: T270317
Change-Id: I366396a61b76e19293ce8d14c2f346b97498fe40
This commit is contained in:
Thiemo Kreuz 2021-01-14 11:01:58 +01:00
parent 0bebeea02f
commit 88984d2965
1 changed files with 14 additions and 16 deletions
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30
resources/lib/codemirror/addon/edit/matchbrackets.js vendored
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@ -33,7 +33,7 @@
return config && config.bracketRegex || /[(){}[\]]/ return config && config.bracketRegex || /[(){}[\]]/
} }
var brackets = { var surroundingBrackets = {
'(': ')', '(': ')',
')': false, ')': false,
'[': ']', '[': ']',
@ -43,12 +43,12 @@
}; };
function findSurroundingBrackets( cm, where, config ) { function findSurroundingBrackets( cm, where, config ) {
var i, from, to, ch, var from, to, ch,
nestedBracketsToSkip = 0, nestedBracketsToSkip = 0,
lineNo = where.line, lineNo = where.line,
line = cm.getLine( lineNo ), line = cm.getLine( lineNo ),
pos = where.ch, pos = where.ch,
maxScanLen = ( config && config.maxScanLineLength ) || 10000; maxScanLen = ( config && config.maxScanLineLength ) || 10000,
maxScanLines = ( config && config.maxScanLines ) || 1000; maxScanLines = ( config && config.maxScanLines ) || 1000;
// Check the limit for the current line // Check the limit for the current line
@ -75,13 +75,13 @@
} }
ch = line.charAt( pos ); ch = line.charAt( pos );
if ( ch in brackets ) { if ( ch in surroundingBrackets ) {
// Found a closing bracket that's not part of a nested pair // Found a closing bracket that's not part of a nested pair
if ( !brackets[ch] && nestedBracketsToSkip <= 0 ) { if ( !surroundingBrackets[ch] && nestedBracketsToSkip <= 0 ) {
to = { pos: Pos( lineNo, pos ), char: ch }; to = { pos: Pos( lineNo, pos ), char: ch };
break; break;
} }
nestedBracketsToSkip += brackets[ch] ? 1 : -1; nestedBracketsToSkip += surroundingBrackets[ch] ? 1 : -1;
} }
pos++; pos++;
@ -112,13 +112,13 @@
} }
ch = line.charAt( pos ); ch = line.charAt( pos );
if ( ch in brackets ) { if ( ch in surroundingBrackets ) {
// Found an opening bracket that's not part of a nested pair // Found an opening bracket that's not part of a nested pair
if ( brackets[ch] && nestedBracketsToSkip <= 0 ) { if ( surroundingBrackets[ch] && nestedBracketsToSkip <= 0 ) {
from = { pos: Pos( lineNo, pos ), expectedToChar: brackets[ch] }; from = { pos: Pos( lineNo, pos ), expectedToChar: surroundingBrackets[ch] };
break; break;
} }
nestedBracketsToSkip += brackets[ch] ? -1 : 1; nestedBracketsToSkip += surroundingBrackets[ch] ? -1 : 1;
} }
} }
@ -128,13 +128,11 @@
to: to.pos, to: to.pos,
match: from.expectedToChar === to.char match: from.expectedToChar === to.char
}; };
} else if ( from ) { } else if ( from || to ) {
return { from: from.pos, match: false }; return { from: ( from || to ).pos, match: false };
} else if ( to ) {
return { from: to.pos, match: false };
} else {
return null;
} }
return null;
} }
function findMatchingBracket(cm, where, config) { function findMatchingBracket(cm, where, config) {