fix(sentence): use offset instead of index

index is private value

Author: azu

src/parser/AbbrMarker.ts

@@ -80,23 +80,23 @@ export class AbbrMarker implements AbstractMarker {
         // Allow: Multi-period abbr
         // Example: U.S.A
         if (/^([a-zA-Z]\.){3,}$/.test(currentWord)) {
-            return sourceCode.markContextRange([sourceCode.index, sourceCode.index + currentWord.length]);
+            return sourceCode.markContextRange([sourceCode.offset, sourceCode.offset + currentWord.length]);
         }
         // EXCALAMATION_WORDS
         // Example: Yahoo!
         const isMatchedEXCALAMATION_WORDS = this.lang.EXCALAMATION_WORDS.some(abbr => {
             return compareNoCaseSensitive(abbr, currentWord);
         });
         if (isMatchedEXCALAMATION_WORDS) {
-            return sourceCode.markContextRange([sourceCode.index, sourceCode.index + currentWord.length]);
+            return sourceCode.markContextRange([sourceCode.offset, sourceCode.offset + currentWord.length]);
         }
         // PREPOSITIVE_ABBREVIATIONS
         // Example: Mr. Fuji
         const isMatchedPREPOSITIVE_ABBREVIATIONS = this.lang.PREPOSITIVE_ABBREVIATIONS.some(abbr => {
             return compareNoCaseSensitive(abbr, currentWord);
         });
         if (isMatchedPREPOSITIVE_ABBREVIATIONS) {
-            return sourceCode.markContextRange([sourceCode.index, sourceCode.index + currentWord.length]);
+            return sourceCode.markContextRange([sourceCode.offset, sourceCode.offset + currentWord.length]);
         }
         // ABBREVIATIONS
         const isMatched = this.lang.ABBREVIATIONS.some(abbr => {
@@ -111,11 +111,11 @@ export class AbbrMarker implements AbstractMarker {
         // Example: `I` as a sentence boundary and `I` as an abbreviation
         // > We make a good team, you and I. Did you see Albert I. Jones yesterday?
         if (isCapitalized(prevWord) && /[A-Z]\./.test(currentWord) && isCapitalized(nextWord)) {
-            sourceCode.markContextRange([sourceCode.index, sourceCode.index + currentWord.length]);
+            sourceCode.markContextRange([sourceCode.offset, sourceCode.offset + currentWord.length]);
         } else if (isMatched && !isCapitalized(nextWord)) {
             // Exception. This allow to write Capitalized word at next word
             // A.M. is store.
-            sourceCode.markContextRange([sourceCode.index, sourceCode.index + currentWord.length]);
+            sourceCode.markContextRange([sourceCode.offset, sourceCode.offset + currentWord.length]);
         }
     }
 }

src/parser/SourceCode.ts

@@ -48,9 +48,9 @@ export class SourceCode {
     }
 
     isInContextRange() {
-        const index = this.index;
+        const offset = this.offset;
         return this.contextRanges.some(range => {
-            return range[0] <= index && index < range[1];
+            return range[0] <= offset && offset < range[1];
         });
     }