stylus/background/uso-api.js
2022-07-28 02:05:44 +03:00

106 lines
3.2 KiB
JavaScript

/* global stringAsRegExp */// toolbox.js
/* global usercssMan */
'use strict';
/* exported usoApi */
const usoApi = {
/**
* Replicating USO-Archive format
* https://github.com/33kk/uso-archive/blob/flomaster/lib/uso.js
* https://github.com/33kk/uso-archive/blob/flomaster/lib/converters.js
*/
async toUsercss(data, {metaOnly = true} = {}) {
const badKeys = {};
const newKeys = [];
const descr = JSON.stringify(data.description.trim());
const vars = (data.style_settings || []).map(makeVar).join('');
const sourceCode = `\
/* ==UserStyle==
@name ${data.name}
@namespace USO Archive
@version ${data.updated.replace(/-/g, '').replace(/[T:]/g, '.').slice(0, 14)}
@description ${descr.includes('\\') ? descr : descr.slice(1, -1)}
@author ${(data.user || {}).name || '?'}
@license ${makeLicense(data.license)}${vars ? '\n@preprocessor uso' + vars : ''}
`.replace(/\*\//g, '*\\/') +
`==/UserStyle== */\n${newKeys[0] ? useNewKeys(data.css) : data.css}`;
const res = await usercssMan.build({sourceCode, metaOnly});
return Object.assign(res, {badKeys, newKeys});
function makeLicense(s) {
return !s ? 'NO-REDISTRIBUTION' :
s === 'publicdomain' ? 'CC0-1.0' :
s.startsWith('ccby') ? `${s.toUpperCase().match(/(..)/g).join('-')}-4.0` :
s;
}
function makeVar({
label,
setting_type: type,
install_key: ik,
style_setting_options: opts,
}) {
let value, suffix;
ik = makeKey(ik);
label = JSON.stringify(label);
switch (type) {
case 'color':
value = opts[0].value;
break;
case 'text':
value = JSON.stringify(opts[0].value);
break;
case 'image': {
const ikCust = `${ik}-custom`;
opts.push({
label: 'Custom',
install_key: `${ikCust}-dropdown`,
value: `/*[[${ikCust}]]*/`,
});
suffix =
`\n@advanced text ${ikCust} ${label.slice(0, -1)} (Custom)" "https://foo.com/123.jpg"`;
type = 'dropdown';
} // fallthrough
case 'dropdown':
value = '';
for (const o of opts) {
const def = o.default ? '*' : '';
const val = o.value;
const s = ` ${makeKey(o.install_key)} ${JSON.stringify(o.label + def)} <<<EOT${
val.includes('\n') ? '\n' : ' '}${val} EOT;\n`;
value = def ? s + value : value + s;
}
value = `{\n${value}}`;
break;
default:
value = '"ERROR: unknown type"';
}
return `\n@advanced ${type} ${ik} ${label} ${value}${suffix || ''}`;
}
function makeKey(key) {
let res = badKeys[key];
if (!res) {
res = key.replace(/[^-\w]/g, '-');
res += newKeys.includes(res) ? '-' : '';
if (key !== res) {
badKeys[key] = res;
newKeys.push(res);
}
}
return res;
}
function useNewKeys(css) {
const rxsKeys = stringAsRegExp(Object.keys(badKeys).join('\n'), '', true).replace(/\n/g, '|');
const rxUsoVars = new RegExp(`(/\\*\\[\\[)(${rxsKeys})(?=]]\\*/)`, 'g');
return css.replace(rxUsoVars, (s, a, key) => a + badKeys[key]);
}
},
};