fix typo

Author: zmiao

src/symbol/shaping.js

@@ -152,8 +152,8 @@ class TaggedString {
         return this.text.charCodeAt(index);
     }
 
-    verticalizePunctuation(skipChontextChecking: boolean) {
-        this.text = verticalizePunctuation(this.text, skipChontextChecking);
+    verticalizePunctuation(skipContextChecking: boolean) {
+        this.text = verticalizePunctuation(this.text, skipContextChecking);
     }
 
     trim() {
@@ -478,7 +478,7 @@ function leastBadBreaks(lastLineBreak: ?Break): Array<number> {
 function determineLineBreaks(logicalInput: TaggedString,
                              spacing: number,
                              maxWidth: number,
-                             glyphMap: {[string]: {glyphs: {[number]: ?StyleGlyph}, ascender?: number, descender?: number}},
+                             glyphMap: {[_: string]: {glyphs: {[_: number]: ?StyleGlyph}, ascender?: number, descender?: number}},
                              imagePositions: {[_: string]: ImagePosition},
                              symbolPlacement: string,
                              layoutTextSize: number): Array<number> {
@@ -653,7 +653,7 @@ function shapeLines(shaping: Shaping,
                 verticalAdvance = codePoint !== 0x200b ? ONE_EM : 0;
 
                 // In order to make different fonts aligned, they must share a general baseline that aligns with every
-                // font's real baseline. Glyph's offset is counted from the top left corner, where is the ascender line
+                // font's real baseline. Glyph's offset is counted from the top left corner, where the ascender line
                 // starts.
                 // First of all, each glyph's baseline lies on the center line of the shaping line. Since ascender
                 // is above the baseline, the glyphOffset is the negative shift. Then, in order to make glyphs fit in

src/util/verticalize_punctuation.js

@@ -88,14 +88,14 @@ export const verticalizedCharacterMap = {
     '｣': '﹂'
 };
 
-export default function verticalizePunctuation(input: string, skipChontextChecking: boolean) {
+export default function verticalizePunctuation(input: string, skipContextChecking: boolean) {
     let output = '';
 
     for (let i = 0; i < input.length; i++) {
         const nextCharCode = input.charCodeAt(i + 1) || null;
         const prevCharCode = input.charCodeAt(i - 1) || null;
 
-        const canReplacePunctuation = skipChontextChecking || (
+        const canReplacePunctuation = skipContextChecking || (
             (!nextCharCode || !charHasRotatedVerticalOrientation(nextCharCode) || verticalizedCharacterMap[input[i + 1]]) &&
             (!prevCharCode || !charHasRotatedVerticalOrientation(prevCharCode) || verticalizedCharacterMap[input[i - 1]])
         );