From 96d8a7ccc177784ce542eb0efa079feb1104f13f Mon Sep 17 00:00:00 2001
From: Aerijo <bengray178@gmail.com>
Date: Fri, 22 Feb 2019 19:43:37 +1100
Subject: [PATCH] misc fixes

---
 lib/main.js | 29 ++++++++++++++---------------
 1 file changed, 14 insertions(+), 15 deletions(-)

diff --git a/lib/main.js b/lib/main.js
index b36a12a..1307967 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -30,13 +30,13 @@ function getFoldableRangesAtIndentLevel ({level, editor}, startRow=0, endRow=-1,
   if (endRow < 0) endRow = editor.getLineCount();
 
   for (let row = startRow; row < endRow; row++) {
-    if (!isFoldableAtRow(row, editor)) continue;
+    if (!isFoldableAtRow({row, editor})) continue;
 
-    const range = getFoldableRangeContainingPoint({row: row, column: Infinity}, editor);
+    const range = getFoldableRangeContainingPoint({point: {row: row, column: Infinity}, editor});
     if (range === null) continue;
 
     if (level > 0) {
-      getFoldableRangesAtIndentLevel(level - 1, editor, range.start.row + 1, range.end.row, ranges);
+      getFoldableRangesAtIndentLevel({level: level - 1, editor}, range.start.row + 1, range.end.row, ranges);
     } else {
       ranges.push(range);
     }
@@ -72,10 +72,10 @@ function getFoldableRangeContainingPoint ({point, editor}) {
   }
 
   if (!range) return null;
-  return range.start.row === range.end.row ? null : range;
+  return range.start.row >= range.end.row ? null : range;
 }
 
-function getPreambleRange(editor, row) {
+function getPreambleRange (editor, row) {
   let startPoint = new Point(row, editor.buffer.lineLengthForRow(row));
   let endPoint = null;
 
@@ -97,7 +97,7 @@ function getPreambleRange(editor, row) {
   return new Range(startPoint, endPoint);
 }
 
-function getSectionRange(editor, row, sectionType) {
+function getSectionRange (editor, row, sectionType) {
   let line = editor.lineTextForBufferRow(row);
   let sectionMatch = line.match(/^[ \t]*(?:\\((?:sub){0,2}section|chapter|part|(?:sub)?paragraph)\s*\*?\s*(\[.*?\])?\{([^\}]*\})?)/);
 
@@ -142,19 +142,17 @@ function getSectionRange(editor, row, sectionType) {
     stop();
   });
 
-  if (!matchFound) {
-    return sectionRange = new Range(startPoint, endPosition);
+  if (matchFound) {
+    sectionRange = new Range(startPoint, nextSectionCommandRange.start.translate(new Point(-1, Infinity)));
+  } else {
+    sectionRange = new Range(startPoint, endPosition);
   }
 
-  sectionRange = new Range(startPoint, nextSectionCommandRange.start.translate(new Point(-1, Infinity)));
-
   if (!atom.config.get("latex-folding.foldTrailingSectionWhitespace")) {
     translateEndRowToLastNonWhitespaceLine(sectionRange, editor);
   }
 
-  if (sectionRange.start.row >= sectionRange.end.row) return null;
-
-  return sectionRange;
+  return sectionRange.start.row >= sectionRange.end.row ? null : sectionRange;
 }
 
 function translateEndRowToLastNonWhitespaceLine (range, editor) {
@@ -162,6 +160,7 @@ function translateEndRowToLastNonWhitespaceLine (range, editor) {
     const line = editor.lineTextForBufferRow(i);
     if (/\S/.test(line)) {
       range.end.row = i;
+      range.end.column = Infinity;
       return;
     };
   }
@@ -169,7 +168,7 @@ function translateEndRowToLastNonWhitespaceLine (range, editor) {
   range.end = range.start; // makes it invalid as a fold
 }
 
-function getEnvRange(editor, row, lenientEnvNames=false) {
+function getEnvRange (editor, row, lenientEnvNames=false) {
   let line = editor.lineTextForBufferRow(row);
   let envMatch = line.match(/^[ \t]*\\begin\s*\{(.*?)\}/);
   if (envMatch === null) {
@@ -213,7 +212,7 @@ function getEnvRange(editor, row, lenientEnvNames=false) {
   return new Range(startPoint, endDelimRange.start);
 }
 
-function isCommented(scopesArray) {
+function isCommented (scopesArray) {
   for (let scope of scopesArray) {
     if (scope.startsWith("comment")) { return true; }
   }