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YuruToot/app/javascript/mastodon/features/account/util/bio_metadata.js

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/*
THIS IS A MESS BECAUSE EFFING MASTODON AND ITS EFFING HTML BIOS
INSTEAD OF JUST STORING EVERYTHING IN PLAIN EFFING TEXT ! ! ! !
BLANK LINES ALSO WON'T WORK BECAUSE RIGHT NOW MASTODON CONVERTS
THOSE INTO `<P>` ELEMENTS INSTEAD OF LEAVING IT AS `<BR><BR>` !
TL:DR; THIS IS LARGELY A HACK. WITH BETTER BACKEND STUFF WE CAN
IMPROVE THIS BY BETTER PREDICTING HOW THE METADATA WILL BE SENT
WHILE MAINTAINING BASIC PLAIN-TEXT PROCESSING. THE OTHER OPTION
IS TO TURN ALL BIOS INTO PLAIN-TEXT VIA A TREE-WALKER, AND THEN
PROCESS THE YAML AND LINKS AND EVERYTHING OURSELVES. THIS WOULD
BE INCREDIBLY COMPLICATED, AND IT WOULD BE A MILLION TIMES LESS
DIFFICULT IF MASTODON JUST GAVE US PLAIN-TEXT BIOS (WHICH QUITE
FRANKLY MAKES THE MOST SENSE SINCE THAT'S WHAT USERS PROVIDE IN
SETTINGS) TO BEGIN WITH AND LEFT ALL PROCESSING TO THE FRONTEND
TO HANDLE ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
ANYWAY I KNOW WHAT NEEDS TO BE DONE REGARDING BACKEND STUFF BUT
I'M NOT SMART ENOUGH TO FIGURE OUT HOW TO ACTUALLY IMPLEMENT IT
SO FEEL FREE TO @ ME IF YOU NEED MY IDEAS REGARDING THAT. UNTIL
THEN WE'LL JUST HAVE TO MAKE DO WITH THIS MESSY AND UNFORTUNATE
HACKING ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
with love,
@kibi@glitch.social <3
*/
const NEW_LINE = /(?:^|\r?\n|<br\s*\/?>)/g;
const YAML_OPENER = /---/;
const YAML_CLOSER = /(?:---|\.\.\.)/;
const YAML_STRING = /(?:"(?:[^"\n]){1,32}"|'(?:[^'\n]){1,32}'|(?:[^'":\n]){1,32})/g;
const YAML_LINE = new RegExp('\\s*' + YAML_STRING.source + '\\s*:\\s*' + YAML_STRING.source + '\\s*', 'g');
const BIO_REGEX = new RegExp(NEW_LINE.source + '*' + YAML_OPENER.source + NEW_LINE.source + '+(?:' + YAML_LINE.source + NEW_LINE.source + '+){0,4}' + YAML_CLOSER.source + NEW_LINE.source + '*');
export function processBio(data) {
let props = { text: data, metadata: [] };
let yaml = data.match(BIO_REGEX);
if (!yaml) return props;
else yaml = yaml[0];
let start = props.text.indexOf(yaml);
let end = start + yaml.length;
props.text = props.text.substr(0, start) + props.text.substr(end);
yaml = yaml.replace(NEW_LINE, '\n');
let metadata = (yaml ? yaml.match(YAML_LINE) : []) || [];
for (let i = 0; i < metadata.length; i++) {
let result = metadata[i].match(YAML_STRING);
if (result[0][0] === '"' || result[0][0] === '\'') result[0] = result[0].substr(1, result[0].length - 2);
if (result[1][0] === '"' || result[1][0] === '\'') result[0] = result[1].substr(1, result[1].length - 2);
props.metadata.push(result);
}
return props;
}