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Fix source map for characters collapsed at the start of a string

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This commit is contained in:
toasted-nutbread 2020-04-10 12:25:24 -04:00
parent 42a2917bf7
commit 0b7791c103
1 changed files with 3 additions and 6 deletions
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9
ext/bg/js/japanese.js
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@ -377,11 +377,11 @@
// Miscellaneous // Miscellaneous
function collapseEmphaticSequences(sourceText, fullCollapse, sourceMap=null) { function collapseEmphaticSequences(text, fullCollapse, sourceMap=null) {
let result = ''; let result = '';
let collapseCodePoint = -1; let collapseCodePoint = -1;
const hasSourceMap = (sourceMap !== null); const hasSourceMap = (sourceMap !== null);
for (const char of sourceText) { for (const char of text) {
const c = char.codePointAt(0); const c = char.codePointAt(0);
if (c === HIRAGANA_SMALL_TSU_CODE_POINT || c === KATAKANA_SMALL_TSU_CODE_POINT) { if (c === HIRAGANA_SMALL_TSU_CODE_POINT || c === KATAKANA_SMALL_TSU_CODE_POINT) {
if (collapseCodePoint !== c) { if (collapseCodePoint !== c) {
@ -398,10 +398,7 @@
} }
if (hasSourceMap) { if (hasSourceMap) {
const index = result.length; sourceMap.combine(Math.max(0, result.length - 1), 1);
if (index > 0) {
sourceMap.combine(index - 1, 1);
}
} }
} }
return result; return result;