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New: char count for Compose field

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Uses pre-compiled regex for perf
This commit is contained in:
Lim Chee Aun 2022-12-23 16:45:02 +08:00
parent a2e55eca90
commit 13a347ce37
6 changed files with 226 additions and 0 deletions

48
scripts/extract-url.js Normal file
View file

@ -0,0 +1,48 @@
import fs from 'fs';
import regexSupplant from 'twitter-text/dist/lib/regexSupplant.js';
import validDomain from 'twitter-text/dist/regexp/validDomain.js';
import validPortNumber from 'twitter-text/dist/regexp/validPortNumber.js';
import validUrlPath from 'twitter-text/dist/regexp/validUrlPath.js';
import validUrlPrecedingChars from 'twitter-text/dist/regexp/validUrlPrecedingChars.js';
import validUrlQueryChars from 'twitter-text/dist/regexp/validUrlQueryChars.js';
import validUrlQueryEndingChars from 'twitter-text/dist/regexp/validUrlQueryEndingChars.js';
// The difference with twitter-text's extractURL is that the protocol isn't
// optional.
const urlRegex = regexSupplant(
'(' + // $1 total match
'(#{validUrlPrecedingChars})' + // $2 Preceeding chracter
'(' + // $3 URL
'(https?:\\/\\/)' + // $4 Protocol (optional) <-- THIS IS THE DIFFERENCE, MISSING '?' AFTER PROTOCOL
'(#{validDomain})' + // $5 Domain(s)
'(?::(#{validPortNumber}))?' + // $6 Port number (optional)
'(\\/#{validUrlPath}*)?' + // $7 URL Path
'(\\?#{validUrlQueryChars}*#{validUrlQueryEndingChars})?' + // $8 Query String
')' +
')',
{
validUrlPrecedingChars,
validDomain,
validPortNumber,
validUrlPath,
validUrlQueryChars,
validUrlQueryEndingChars,
},
'gi',
);
const filePath = 'src/data/url-regex.json';
fs.writeFile(
filePath,
JSON.stringify({
source: urlRegex.source,
flags: urlRegex.flags,
}),
(err) => {
if (err) {
console.error(err);
}
console.log(`Wrote ${filePath}`);
},
);