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/**
* Formats a string according to the args that are passed in
* @param { string } str
* @param {...any} args
* @returns
*/
function format(str, ...args) {
return str.replace(/{(\d+)}/g, (match, index) =>
typeof args[index] !== 'undefined' ? args[index] : match
);
}
/**
* Returns the domain of the passed in url or null
* @param { string } url
* @returns { string| null }
*/
function getDomain(url) {
const match = url.match(/^(?:https?:\/\/)?(?:www\.)?([^\/]+)/);
return match ? match[1] : null;
}
/**
* Returns the base url of the passed in url or null
* @param { string } url
* @returns { string | null }
*/
function getBaseUrl(url) {
const match = url.match(/^(https?:\/\/[^\/]+)(\/.*)?$/);
return match ? match[1] : null;
}
/**
* Escapes single quotes in shell commands
* @param { string } str
* @returns { string }
*/
function shellSingleQuoteEscape(str) {
// escape single quotes
return String(str)
// .replace(/\\/g, '\\\\')
.replace(/'/g, "'\\''");
}
/**
* Splits markdown blocks into three different types: text, think, and code.
* @param { string } markdown
*/
function splitMarkdownBlocks(markdown) {
const regex = /```(\w+)?\n([\s\S]*?)```|<think>([\s\S]*?)<\/think>/g;
/**
* @type {{type: "text" | "think" | "code"; content: string; lang: string | undefined; completed: boolean | undefined}[]}
*/
let result = [];
let lastIndex = 0;
let match;
while ((match = regex.exec(markdown)) !== null) {
if (match.index > lastIndex) {
const text = markdown.slice(lastIndex, match.index);
if (text.trim()) {
result.push({ type: "text", content: text });
}
}
if (match[0].startsWith('```')) {
if (match[2] && match[2].trim()) {
result.push({ type: "code", lang: match[1] || "", content: match[2], completed: true });
}
} else if (match[0].startsWith('<think>')) {
if (match[3] && match[3].trim()) {
result.push({ type: "think", content: match[3], completed: true });
}
}
lastIndex = regex.lastIndex;
}
// Handle any remaining text after the last match
if (lastIndex < markdown.length) {
const text = markdown.slice(lastIndex);
// Check for unfinished <think> block
const thinkStart = text.indexOf('<think>');
const codeStart = text.indexOf('```');
if (
thinkStart !== -1 &&
(codeStart === -1 || thinkStart < codeStart)
) {
const beforeThink = text.slice(0, thinkStart);
if (beforeThink.trim()) {
result.push({ type: "text", content: beforeThink });
}
const thinkContent = text.slice(thinkStart + 7);
if (thinkContent.trim()) {
result.push({ type: "think", content: thinkContent, completed: false });
}
} else if (codeStart !== -1) {
const beforeCode = text.slice(0, codeStart);
if (beforeCode.trim()) {
result.push({ type: "text", content: beforeCode });
}
// Try to detect language after ```
const codeLangMatch = text.slice(codeStart + 3).match(/^(\w+)?\n/);
let lang = "";
let codeContentStart = codeStart + 3;
if (codeLangMatch) {
lang = codeLangMatch[1] || "";
codeContentStart += codeLangMatch[0].length;
} else if (text[codeStart + 3] === '\n') {
codeContentStart += 1;
}
const codeContent = text.slice(codeContentStart);
if (codeContent.trim()) {
result.push({ type: "code", lang, content: codeContent, completed: false });
}
} else if (text.trim()) {
result.push({ type: "text", content: text });
}
}
// console.log(JSON.stringify(result, null, 2));
return result;
}
/**
* Returns the original string with backslashes escaped
* @param { string } str
* @returns { string }
*/
function escapeBackslashes(str) {
return str.replace(/\\/g, '\\\\');
}
/**
* Wraps words to supplied maximum length
* @param { string | null } str
* @param { number } maxLen
* @returns { string }
*/
function wordWrap(str, maxLen) {
if (!str) return "";
let words = str.split(" ");
let lines = [];
let current = "";
for (let i = 0; i < words.length; ++i) {
if ((current + (current.length > 0 ? " " : "") + words[i]).length > maxLen) {
if (current.length > 0) lines.push(current);
current = words[i];
} else {
current += (current.length > 0 ? " " : "") + words[i];
}
}
if (current.length > 0) lines.push(current);
return lines.join("\n");
}
function cleanMusicTitle(title) {
if (!title) return "";
// Brackets
title = title.replace(/^ *\([^)]*\) */g, " "); // Round brackets
title = title.replace(/^ *\[[^\]]*\] */g, " "); // Square brackets
title = title.replace(/^ *\{[^\}]*\} */g, " "); // Curly brackets
// Japenis brackets
title = title.replace(/^ *【[^】]*】/, "") // Touhou
title = title.replace(/^ *《[^》]*》/, "") // ??
title = title.replace(/^ *「[^」]*」/, "") // OP/ED
title = title.replace(/^ *『[^』]*』/, "") // OP/ED
return title;
}
function friendlyTimeForSeconds(seconds) {
if (isNaN(seconds) || seconds < 0) return "0:00";
seconds = Math.floor(seconds);
const h = Math.floor(seconds / 3600);
const m = Math.floor((seconds % 3600) / 60);
const s = seconds % 60;
if (h > 0) {
return `${h}:${m.toString().padStart(2, '0')}:${s.toString().padStart(2, '0')}`;
} else {
return `${m}:${s.toString().padStart(2, '0')}`;
}
}
function escapeHtml(str) {
if (typeof str !== 'string') return str;
return str
.replace(/&/g, '&')
.replace(/</g, '<')
.replace(/>/g, '>')
.replace(/"/g, '"')
.replace(/'/g, ''');
}
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