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fix: U+FE0Fなどがそのまま絵文字としてパースされてしまう #137

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fix: U+FE0Fなどがそのまま絵文字としてパースされてしまう #137

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c2c8757
U+FE0Fなどを空文字として返すように
ikasoba Dec 26, 2023
da6234b
Update test/parser.ts
ikasoba Jun 15, 2024
1da3013
U+FE0Fのみであれば文字として返すように
ikasoba Jun 15, 2024
bd997cc
lintエラー修正
ikasoba Jun 15, 2024
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5 changes: 4 additions & 1 deletion src/internal/parser.ts
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import * as M from '..';

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GitHub Actions / test (16.10.0) 

Type '() => P.Parser<M.MfmUnicodeEmoji | M.MfmText>' is not assignable to type '(r: ParserTable<TypeTable>) => Parser<MfmUnicodeEmoji>'.

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Type '() => P.Parser<M.MfmUnicodeEmoji | M.MfmText>' is not assignable to type '(r: ParserTable<TypeTable>) => Parser<MfmUnicodeEmoji>'.
import * as P from './core';
import { mergeText } from './util';

Expand All @@ -7,7 +7,7 @@
// このエラーを無視する。
/* eslint @typescript-eslint/ban-ts-comment: 1 */
// @ts-ignore
import twemojiRegex from '@twemoji/parser/dist/lib/regex';

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Use "@ts-expect-error" instead of "@ts-ignore", as "@ts-ignore" will do nothing if the following line is error-free

type ArgPair = { k: string, v: string | true };
type Args = Record<string, string | true>;
Expand Down Expand Up @@ -420,7 +420,10 @@

unicodeEmoji: r => {
const emoji = RegExp(twemojiRegex.source);
return P.regexp(emoji).map(content => M.UNI_EMOJI(content));
return P.regexp(emoji).map(content => {
// 異体字セレクタ(U+FE0F)の場合は文字として返す
return content === '\uFE0F' ? M.TEXT(content) : M.UNI_EMOJI(content);
});
},

plainTag: r => {
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6 changes: 6 additions & 0 deletions test/parser.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,12 @@ describe('SimpleParser', () => {
const output = [TEXT('あ'), EMOJI_CODE('bar'), TEXT('い')];
assert.deepStrictEqual(mfm.parseSimple(input), output);
});

test('Ignore Variation Selector preceded by Unicode Emoji', () => {
const input = '\uFE0F';
const output = [TEXT('')];
assert.deepStrictEqual(mfm.parseSimple(input), output);
})
});

test('disallow other syntaxes', () => {
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