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25_02_24/node_modules/@tinyhttp/content-disposition/dist/index.js
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162
25_02_24/node_modules/@tinyhttp/content-disposition/dist/index.js
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// biome-ignore lint/suspicious/noControlCharactersInRegex: <explanation>
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const ENCODE_URL_ATTR_CHAR_REGEXP = /[\x00-\x20"'()*,/:;<=>?@[\\\]{}\x7f]/g;
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const HEX_ESCAPE_REGEXP = /%[0-9A-Fa-f]{2}/;
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const HEX_ESCAPE_REPLACE_REGEXP = /%([0-9A-Fa-f]{2})/g;
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const NON_LATIN1_REGEXP = /[^\x20-\x7e\xa0-\xff]/g;
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// biome-ignore lint/suspicious/noControlCharactersInRegex: <explanation>
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const QESC_REGEXP = /\\([\u0000-\u007f])/g;
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const QUOTE_REGEXP = /([\\"])/g;
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const PARAM_REGEXP =
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// biome-ignore lint/suspicious/noControlCharactersInRegex: <explanation>
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/;[\x09\x20]*([!#$%&'*+.0-9A-Z^_`a-z|~-]+)[\x09\x20]*=[\x09\x20]*("(?:[\x20!\x23-\x5b\x5d-\x7e\x80-\xff]|\\[\x20-\x7e])*"|[!#$%&'*+.0-9A-Z^_`a-z|~-]+)[\x09\x20]*/g;
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const TEXT_REGEXP = /^[\x20-\x7e\x80-\xff]+$/;
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const TOKEN_REGEXP = /^[!#$%&'*+.0-9A-Z^_`a-z|~-]+$/;
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const EXT_VALUE_REGEXP = /^([A-Za-z0-9!#$%&+\-^_`{}~]+)'(?:[A-Za-z]{2,3}(?:-[A-Za-z]{3}){0,3}|[A-Za-z]{4,8}|)'((?:%[0-9A-Fa-f]{2}|[A-Za-z0-9!#$&+.^_`|~-])+)$/;
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// biome-ignore lint/suspicious/noControlCharactersInRegex: <explanation>
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const DISPOSITION_TYPE_REGEXP = /^([!#$%&'*+.0-9A-Z^_`a-z|~-]+)[\x09\x20]*(?:$|;)/;
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const getlatin1 = (val) => {
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// simple Unicode -> ISO-8859-1 transformation
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return String(val).replace(NON_LATIN1_REGEXP, '?');
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};
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export class ContentDisposition {
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constructor(type, parameters) {
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this.type = type;
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this.parameters = parameters;
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}
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}
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const qstring = (val) => `"${String(val).replace(QUOTE_REGEXP, '\\$1')}"`;
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const pencode = (char) => `%${String(char).charCodeAt(0).toString(16).toUpperCase()}`;
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function ustring(val) {
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const str = String(val);
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// percent encode as UTF-8
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const encoded = encodeURIComponent(str).replace(ENCODE_URL_ATTR_CHAR_REGEXP, pencode);
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return `UTF-8''${encoded}`;
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}
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const basename = (str) => str.slice(str.lastIndexOf('/') + 1);
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function format({ parameters, type }) {
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if (!type || typeof type !== 'string' || !TOKEN_REGEXP.test(type)) {
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throw new TypeError('invalid type');
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}
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// start with normalized type
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let string = String(type).toLowerCase();
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// append parameters
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if (parameters && typeof parameters === 'object') {
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const params = Object.keys(parameters).sort();
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for (const param of params) {
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const val = param.slice(-1) === '*' ? ustring(parameters[param]) : qstring(parameters[param]);
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string += `; ${param}=${val}`;
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}
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}
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return string;
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}
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function createParams(filename, fallback) {
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if (filename === undefined)
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return {};
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const params = {};
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// fallback defaults to true
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if (!fallback)
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fallback = true;
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if (typeof fallback === 'string' && NON_LATIN1_REGEXP.test(fallback)) {
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throw new TypeError('fallback must be ISO-8859-1 string');
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}
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// restrict to file base name
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const name = basename(filename);
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// determine if name is suitable for quoted string
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const isQuotedString = TEXT_REGEXP.test(name);
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// generate fallback name
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const fallbackName = typeof fallback !== 'string' ? fallback && getlatin1(name) : basename(fallback);
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const hasFallback = typeof fallbackName === 'string' && fallbackName !== name;
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// set extended filename parameter
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if (hasFallback || !isQuotedString || HEX_ESCAPE_REGEXP.test(name)) {
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params['filename*'] = name;
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}
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// set filename parameter
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if (isQuotedString || hasFallback) {
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params.filename = hasFallback ? fallbackName : name;
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}
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return params;
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}
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const pdecode = (_str, hex) => String.fromCharCode(Number.parseInt(hex, 16));
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/**
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* Create an attachment Content-Disposition header.
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*
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* @param filename file name
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* @param options
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*/
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export function contentDisposition(filename, options = {}) {
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// format into string
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return format(new ContentDisposition(options.type || 'attachment', createParams(filename, options.fallback)));
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}
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function decodefield(str) {
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const match = EXT_VALUE_REGEXP.exec(str);
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if (!match)
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throw new TypeError('invalid extended field value');
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const charset = match[1].toLowerCase();
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const encoded = match[2];
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let value;
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switch (charset) {
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case 'iso-8859-1':
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value = getlatin1(encoded.replace(HEX_ESCAPE_REPLACE_REGEXP, pdecode));
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break;
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case 'utf-8':
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try {
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value = decodeURIComponent(encoded);
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}
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catch {
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throw new TypeError('invalid encoded utf-8');
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}
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break;
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default:
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throw new TypeError('unsupported charset in extended field');
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}
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return value;
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}
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/**
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* Parse Content-Disposition header string.
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* @param header string
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*/
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export function parse(header) {
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let match = DISPOSITION_TYPE_REGEXP.exec(header);
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if (!match)
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throw new TypeError('invalid type format');
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// normalize type
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let index = match[0].length;
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const type = match[1].toLowerCase();
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let key;
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const names = [];
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const params = {};
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let value;
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// calculate index to start at
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index = PARAM_REGEXP.lastIndex = match[0].slice(-1) === ';' ? index - 1 : index;
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// match parameters
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while ((match = PARAM_REGEXP.exec(header))) {
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if (match.index !== index)
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throw new TypeError('invalid parameter format');
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index += match[0].length;
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key = match[1].toLowerCase();
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value = match[2];
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if (names.indexOf(key) !== -1) {
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throw new TypeError('invalid duplicate parameter');
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}
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names.push(key);
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if (key.indexOf('*') + 1 === key.length) {
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// decode extended value
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key = key.slice(0, -1);
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value = decodefield(value);
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// overwrite existing value
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params[key] = value;
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continue;
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}
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if (typeof params[key] === 'string')
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continue;
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if (value[0] === '"') {
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value = value.slice(1, value.length - 1).replace(QESC_REGEXP, '$1');
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}
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params[key] = value;
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}
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if (index !== -1 && index !== header.length) {
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throw new TypeError('invalid parameter format');
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}
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return new ContentDisposition(type, params);
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}
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//# sourceMappingURL=index.js.map
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