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authortoasted-nutbread <toasted-nutbread@users.noreply.github.com>2020-04-10 12:25:24 -0400
committertoasted-nutbread <toasted-nutbread@users.noreply.github.com>2020-04-10 12:25:24 -0400
commit0b7791c103508e4b23d57717a97644993edf76d5 (patch)
treebdacd63a0cc67c1ac6922d6a4299503662ba5077
parent42a2917bf7aa3ab424ada2fc3acf224b74020a7f (diff)
Fix source map for characters collapsed at the start of a string
-rw-r--r--ext/bg/js/japanese.js9
1 files changed, 3 insertions, 6 deletions
diff --git a/ext/bg/js/japanese.js b/ext/bg/js/japanese.js
index e8b258cb..71fbebb5 100644
--- a/ext/bg/js/japanese.js
+++ b/ext/bg/js/japanese.js
@@ -377,11 +377,11 @@
// Miscellaneous
- function collapseEmphaticSequences(sourceText, fullCollapse, sourceMap=null) {
+ function collapseEmphaticSequences(text, fullCollapse, sourceMap=null) {
let result = '';
let collapseCodePoint = -1;
const hasSourceMap = (sourceMap !== null);
- for (const char of sourceText) {
+ for (const char of text) {
const c = char.codePointAt(0);
if (c === HIRAGANA_SMALL_TSU_CODE_POINT || c === KATAKANA_SMALL_TSU_CODE_POINT) {
if (collapseCodePoint !== c) {
@@ -398,10 +398,7 @@
}
if (hasSourceMap) {
- const index = result.length;
- if (index > 0) {
- sourceMap.combine(index - 1, 1);
- }
+ sourceMap.combine(Math.max(0, result.length - 1), 1);
}
}
return result;