summaryrefslogtreecommitdiff
path: root/ext/bg/js/japanese.js
diff options
context:
space:
mode:
authortoasted-nutbread <toasted-nutbread@users.noreply.github.com>2020-03-09 21:34:31 -0400
committertoasted-nutbread <toasted-nutbread@users.noreply.github.com>2020-03-09 21:58:06 -0400
commit72219ba3530f9da02d3ec1d704baac6f88863682 (patch)
tree08d93d4251ca19e3ef816d7d7310c41b5ae7ae0c /ext/bg/js/japanese.js
parent0cd1f8f20a1b632847e14b280849e4af1b6dd9ad (diff)
Replace charCodeAt and fromCharCode with codePointAt and fromCodePoint
Diffstat (limited to 'ext/bg/js/japanese.js')
-rw-r--r--ext/bg/js/japanese.js49
1 files changed, 25 insertions, 24 deletions
diff --git a/ext/bg/js/japanese.js b/ext/bg/js/japanese.js
index abb32da4..fc69dbba 100644
--- a/ext/bg/js/japanese.js
+++ b/ext/bg/js/japanese.js
@@ -115,9 +115,9 @@ const JP_JAPANESE_RANGES = [
// Helper functions
-function _jpIsCharCodeInRanges(charCode, ranges) {
+function _jpIsCodePointInRanges(codePoint, ranges) {
for (const [min, max] of ranges) {
- if (charCode >= min && charCode <= max) {
+ if (codePoint >= min && codePoint <= max) {
return true;
}
}
@@ -127,16 +127,16 @@ function _jpIsCharCodeInRanges(charCode, ranges) {
// Character code testing functions
-function jpIsCharCodeKanji(charCode) {
- return _jpIsCharCodeInRanges(charCode, JP_CJK_RANGES);
+function jpIsCodePointKanji(codePoint) {
+ return _jpIsCodePointInRanges(codePoint, JP_CJK_RANGES);
}
-function jpIsCharCodeKana(charCode) {
- return _jpIsCharCodeInRanges(charCode, JP_KANA_RANGES);
+function jpIsCodePointKana(codePoint) {
+ return _jpIsCodePointInRanges(codePoint, JP_KANA_RANGES);
}
-function jpIsCharCodeJapanese(charCode) {
- return _jpIsCharCodeInRanges(charCode, JP_JAPANESE_RANGES);
+function jpIsCodePointJapanese(codePoint) {
+ return _jpIsCodePointInRanges(codePoint, JP_JAPANESE_RANGES);
}
@@ -144,8 +144,8 @@ function jpIsCharCodeJapanese(charCode) {
function jpIsStringEntirelyKana(str) {
if (str.length === 0) { return false; }
- for (let i = 0, ii = str.length; i < ii; ++i) {
- if (!jpIsCharCodeKana(str.charCodeAt(i))) {
+ for (const c of str) {
+ if (!jpIsCodePointKana(c.codePointAt(0))) {
return false;
}
}
@@ -154,8 +154,8 @@ function jpIsStringEntirelyKana(str) {
function jpIsStringPartiallyJapanese(str) {
if (str.length === 0) { return false; }
- for (let i = 0, ii = str.length; i < ii; ++i) {
- if (jpIsCharCodeJapanese(str.charCodeAt(i))) {
+ for (const c of str) {
+ if (jpIsCodePointJapanese(c.codePointAt(0))) {
return true;
}
}
@@ -264,8 +264,8 @@ function jpDistributeFurigana(expression, reading) {
const groups = [];
let modePrev = null;
for (const c of expression) {
- const charCode = c.charCodeAt(0);
- const modeCurr = jpIsCharCodeKanji(charCode) || charCode === JP_ITERATION_MARK_CHAR_CODE ? 'kanji' : 'kana';
+ const codePoint = c.codePointAt(0);
+ const modeCurr = jpIsCodePointKanji(codePoint) || codePoint === JP_ITERATION_MARK_CHAR_CODE ? 'kanji' : 'kana';
if (modeCurr === modePrev) {
groups[groups.length - 1].text += c;
} else {
@@ -311,10 +311,11 @@ function jpDistributeFuriganaInflected(expression, reading, source) {
function jpConvertHalfWidthKanaToFullWidth(text, sourceMapping) {
let result = '';
- const ii = text.length;
const hasSourceMapping = Array.isArray(sourceMapping);
- for (let i = 0; i < ii; ++i) {
+ // This function is safe to use charCodeAt instead of codePointAt, since all
+ // the relevant characters are represented with a single UTF-16 character code.
+ for (let i = 0, ii = text.length; i < ii; ++i) {
const c = text[i];
const mapping = JP_HALFWIDTH_KATAKANA_MAPPING.get(c);
if (typeof mapping !== 'string') {
@@ -355,13 +356,13 @@ function jpConvertHalfWidthKanaToFullWidth(text, sourceMapping) {
function jpConvertNumericTofullWidth(text) {
let result = '';
- for (let i = 0, ii = text.length; i < ii; ++i) {
- let c = text.charCodeAt(i);
+ for (const char of text) {
+ let c = char.codePointAt(0);
if (c >= 0x30 && c <= 0x39) { // ['0', '9']
c += 0xff10 - 0x30; // 0xff10 = '0' full width
- result += String.fromCharCode(c);
+ result += String.fromCodePoint(c);
} else {
- result += text[i];
+ result += char;
}
}
return result;
@@ -377,9 +378,9 @@ function jpConvertAlphabeticToKana(text, sourceMapping) {
sourceMapping.fill(1);
}
- for (let i = 0; i < ii; ++i) {
+ for (const char of text) {
// Note: 0x61 is the character code for 'a'
- let c = text.charCodeAt(i);
+ let c = char.codePointAt(0);
if (c >= 0x41 && c <= 0x5a) { // ['A', 'Z']
c += (0x61 - 0x41);
} else if (c >= 0x61 && c <= 0x7a) { // ['a', 'z']
@@ -395,10 +396,10 @@ function jpConvertAlphabeticToKana(text, sourceMapping) {
result += jpToHiragana(part, sourceMapping, result.length);
part = '';
}
- result += text[i];
+ result += char;
continue;
}
- part += String.fromCharCode(c);
+ part += String.fromCodePoint(c);
}
if (part.length > 0) {