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Korean, English Nyaziation and special case exclusion (#5813)

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DW 2020-02-03 18:30:49 -05:00 committed by GitHub
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1 changed files with 48 additions and 2 deletions
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50
src/misc/nyaize.ts
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@ -1,11 +1,57 @@
import rndstr from 'rndstr';
export function nyaize(text: string): string {
return text
const [toNyaize, exclusionMap] = exclude(text);
const nyaized = toNyaize
// ja-JP
.replace(/な/g, 'にゃ').replace(/ナ/g, 'ニャ').replace(/ﾅ/g, 'ﾆｬ')
// en-US
.replace(/morning/gi, 'mornyan').replace(/everyone/gi, 'everynyan')
.replace(/o/g, 'owo').replace(/u/g, 'uwu')
// ko-KR
.replace(/[나-낳]/g, match => String.fromCharCode(
match.codePointAt(0)! + '냐'.charCodeAt(0) - '나'.charCodeAt(0)
match.charCodeAt(0)! + '냐'.charCodeAt(0) - '나'.charCodeAt(0)
)).replace(/(다$)|(다(?=\.))|(다(?= ))|(다(?=!))|(다(?=\?))/gm, '다냥')
.replace(/(야(?=\?))|(야$)|(야(?= ))/gm, '냥');
return replaceExceptions(nyaized, exclusionMap);
}
export function denyaize(text: string): string {
return text
.replace(/にゃ/g, 'な').replace(/ニャ/g, 'ナ').replace(/ﾆｬ/g, 'ﾅ')
.replace(/owo/g, 'o').replace(/uwu/g, 'u')
.replace(/mornyan/gi, 'morning').replace(/everynyan/gi, 'everyone') // this will result in case related bug
.replace(/(다냥$)|(다냥(?=\.))|(다냥(?= ))|(다냥(?=!))|(다냥(?=\?))/gm, '다')
.replace(/(냥(?=\?))|(냥$)|(냥(?= ))/gm, '야')
.replace(/[냐-냫]/g, match => String.fromCharCode(
match.charCodeAt(0)! + '나'.charCodeAt(0) - '냐'.charCodeAt(0)
));
}
function exclude(text: string): [string, Record<string, string>] {
const map: Record<string, string> = {};
function substitute(match: string): string {
let randomstr: string;
do {
randomstr = rndstr({ length: 16, chars: '🀀-🀫' });
} while(Object.prototype.hasOwnProperty.call(map, randomstr));
map[randomstr] = match;
return randomstr;
}
const replaced = text
.replace(/(https?:\/\/.*?)(?= |$)/gm, match => substitute(match)) // URL
.replace(/:([a-z0-9_+-]+):/gim, match => substitute(match)) // emoji
.replace(/#([^\s.,!?'"#:\/\[\]【】]+)/gm, match => substitute(match)) // hashtag
.replace(/@\w([\w-]*\w)?(?:@[\w.\-]+\w)?/gm, match => substitute(match)) // mention
.replace(/<\/?[a-zA-Z]*?>/g, match => substitute(match)) // <jump>, <motion>, etc.
.replace(/`([^`\n]+?)`/g, match => substitute(match)) // inline code
.replace(/```(.+?)?\n([\s\S]+?)```(\n|$)/gm, match => substitute(match)); // code block
return [replaced, map];
}
function replaceExceptions(text: string, map: Record<string, string>): string {
for(const rule in map)
if(Object.prototype.hasOwnProperty.call(map, rule))
text = text.replace(rule, map[rule]);
return text;
}