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// Change log :O

// eslint-disable-next-line no-unused-vars

const changelog = wrap(function changelog() {

style.add(

'.us-changelog h2 { font-size: 24px; }',

'.us-changelog h3 { font-size: 20px; }',

'extended { display: block; }',

);

function getMarkdown() {

if (!changelog.markdown) {

changelog.markdown = new showdown.Converter({

noHeaderId: true,

strikethrough: true,

disableForced4SpacesIndentedSublists: true,

});

}

return changelog.markdown;

}

function getAxios() {

if (!changelog.axios) {

changelog.axios = axios.create({ baseURL: 'https://unpkg.com/' });

}

return changelog.axios;

}

function open(message) {

BootstrapDialog.show({

message,

title: 'UnderScript Change Log',

cssClass: 'mono us-changelog',

buttons: [{

label: 'Close',

action(self) {

self.close();

}],

});

}

function get(version = 'latest', short = false) {

const cache = version.includes('.');

const key = `${version}${short ? '_short' : ''}`;

if (cache && changelog[key]) return Promise.resolve(changelog[key]);

const extension = `underscript@${version}/changelog.md`;

return getAxios().get(extension).then(({ data: text }) => {

const first = text.indexOf(`\n## ${cache ? `Version ${version}` : ''}`);

let end;

if (!~first) throw new Error('Invalid Changelog');

if (short) {

const index = text.indexOf('\n## ', first + 1);

if (!!~index) end = index;

}

const parsedHTML = getMarkdown().makeHtml(text.substring(first, end).trim()).replace(/\r?\n/g, '');

// Cache results

if (cache) changelog[key] = parsedHTML;

return parsedHTML;

});

}

function load(version = 'latest', short = false) {

const container = $('<div>').text('Please wait');

open(container);

get(version, short).catch((e) => {

console.error(e);

return 'Unavailable at this time';

}).then((m) => container.html(m));

}

// Add menu button

menu.addButton({

text: 'UnderScript Change Log',

action() {

load(scriptVersion === 'L' ? 'latest' : scriptVersion);

enabled() {

return typeof BootstrapDialog !== 'undefined';

note() {

if (!this.enabled()) {

return 'Unavailable on this page';

}

});

return {

load, get,

};

});

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