mirror of
https://github.com/joelwmale/webhook-action.git
synced 2024-12-11 08:24:31 +01:00
384 lines
8.7 KiB
JavaScript
384 lines
8.7 KiB
JavaScript
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'use strict';
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const utils = require('./utils');
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const {
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CHAR_ASTERISK, /* * */
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CHAR_AT, /* @ */
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CHAR_BACKWARD_SLASH, /* \ */
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CHAR_COMMA, /* , */
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CHAR_DOT, /* . */
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CHAR_EXCLAMATION_MARK, /* ! */
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CHAR_FORWARD_SLASH, /* / */
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CHAR_LEFT_CURLY_BRACE, /* { */
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CHAR_LEFT_PARENTHESES, /* ( */
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CHAR_LEFT_SQUARE_BRACKET, /* [ */
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CHAR_PLUS, /* + */
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CHAR_QUESTION_MARK, /* ? */
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CHAR_RIGHT_CURLY_BRACE, /* } */
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CHAR_RIGHT_PARENTHESES, /* ) */
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CHAR_RIGHT_SQUARE_BRACKET /* ] */
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} = require('./constants');
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const isPathSeparator = code => {
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return code === CHAR_FORWARD_SLASH || code === CHAR_BACKWARD_SLASH;
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};
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const depth = token => {
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if (token.isPrefix !== true) {
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token.depth = token.isGlobstar ? Infinity : 1;
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}
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};
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/**
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* Quickly scans a glob pattern and returns an object with a handful of
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* useful properties, like `isGlob`, `path` (the leading non-glob, if it exists),
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* `glob` (the actual pattern), and `negated` (true if the path starts with `!`).
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*
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* ```js
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* const pm = require('picomatch');
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* console.log(pm.scan('foo/bar/*.js'));
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* { isGlob: true, input: 'foo/bar/*.js', base: 'foo/bar', glob: '*.js' }
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* ```
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* @param {String} `str`
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* @param {Object} `options`
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* @return {Object} Returns an object with tokens and regex source string.
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* @api public
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*/
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const scan = (input, options) => {
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const opts = options || {};
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const length = input.length - 1;
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const scanToEnd = opts.parts === true || opts.scanToEnd === true;
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const slashes = [];
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const tokens = [];
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const parts = [];
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let str = input;
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let index = -1;
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let start = 0;
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let lastIndex = 0;
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let isBrace = false;
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let isBracket = false;
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let isGlob = false;
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let isExtglob = false;
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let isGlobstar = false;
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let braceEscaped = false;
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let backslashes = false;
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let negated = false;
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let finished = false;
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let braces = 0;
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let prev;
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let code;
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let token = { value: '', depth: 0, isGlob: false };
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const eos = () => index >= length;
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const peek = () => str.charCodeAt(index + 1);
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const advance = () => {
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prev = code;
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return str.charCodeAt(++index);
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};
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while (index < length) {
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code = advance();
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let next;
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if (code === CHAR_BACKWARD_SLASH) {
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backslashes = token.backslashes = true;
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code = advance();
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if (code === CHAR_LEFT_CURLY_BRACE) {
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braceEscaped = true;
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}
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continue;
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}
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if (braceEscaped === true || code === CHAR_LEFT_CURLY_BRACE) {
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braces++;
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while (eos() !== true && (code = advance())) {
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if (code === CHAR_BACKWARD_SLASH) {
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backslashes = token.backslashes = true;
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advance();
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continue;
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}
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if (code === CHAR_LEFT_CURLY_BRACE) {
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braces++;
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continue;
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}
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if (braceEscaped !== true && code === CHAR_DOT && (code = advance()) === CHAR_DOT) {
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isBrace = token.isBrace = true;
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isGlob = token.isGlob = true;
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finished = true;
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if (scanToEnd === true) {
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continue;
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}
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break;
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}
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if (braceEscaped !== true && code === CHAR_COMMA) {
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isBrace = token.isBrace = true;
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isGlob = token.isGlob = true;
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finished = true;
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if (scanToEnd === true) {
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continue;
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}
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break;
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}
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if (code === CHAR_RIGHT_CURLY_BRACE) {
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braces--;
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if (braces === 0) {
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braceEscaped = false;
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isBrace = token.isBrace = true;
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finished = true;
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break;
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}
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}
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}
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if (scanToEnd === true) {
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continue;
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}
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break;
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}
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if (code === CHAR_FORWARD_SLASH) {
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slashes.push(index);
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tokens.push(token);
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token = { value: '', depth: 0, isGlob: false };
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if (finished === true) continue;
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if (prev === CHAR_DOT && index === (start + 1)) {
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start += 2;
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continue;
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}
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lastIndex = index + 1;
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continue;
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}
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if (opts.noext !== true) {
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const isExtglobChar = code === CHAR_PLUS
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|| code === CHAR_AT
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|| code === CHAR_ASTERISK
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|| code === CHAR_QUESTION_MARK
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|| code === CHAR_EXCLAMATION_MARK;
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if (isExtglobChar === true && peek() === CHAR_LEFT_PARENTHESES) {
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isGlob = token.isGlob = true;
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isExtglob = token.isExtglob = true;
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finished = true;
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if (scanToEnd === true) {
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while (eos() !== true && (code = advance())) {
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if (code === CHAR_BACKWARD_SLASH) {
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backslashes = token.backslashes = true;
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code = advance();
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continue;
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}
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if (code === CHAR_RIGHT_PARENTHESES) {
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isGlob = token.isGlob = true;
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finished = true;
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break;
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}
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}
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continue;
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}
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break;
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}
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}
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if (code === CHAR_ASTERISK) {
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if (prev === CHAR_ASTERISK) isGlobstar = token.isGlobstar = true;
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isGlob = token.isGlob = true;
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finished = true;
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if (scanToEnd === true) {
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continue;
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}
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break;
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}
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if (code === CHAR_QUESTION_MARK) {
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isGlob = token.isGlob = true;
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finished = true;
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if (scanToEnd === true) {
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continue;
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}
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break;
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}
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if (code === CHAR_LEFT_SQUARE_BRACKET) {
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while (eos() !== true && (next = advance())) {
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if (next === CHAR_BACKWARD_SLASH) {
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backslashes = token.backslashes = true;
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advance();
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continue;
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}
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if (next === CHAR_RIGHT_SQUARE_BRACKET) {
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isBracket = token.isBracket = true;
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isGlob = token.isGlob = true;
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finished = true;
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if (scanToEnd === true) {
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continue;
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}
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break;
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}
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}
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}
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if (opts.nonegate !== true && code === CHAR_EXCLAMATION_MARK && index === start) {
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negated = token.negated = true;
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start++;
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continue;
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}
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if (opts.noparen !== true && code === CHAR_LEFT_PARENTHESES) {
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isGlob = token.isGlob = true;
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if (scanToEnd === true) {
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while (eos() !== true && (code = advance())) {
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if (code === CHAR_LEFT_PARENTHESES) {
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backslashes = token.backslashes = true;
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code = advance();
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continue;
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}
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if (code === CHAR_RIGHT_PARENTHESES) {
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finished = true;
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break;
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}
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}
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continue;
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}
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break;
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}
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if (isGlob === true) {
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finished = true;
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if (scanToEnd === true) {
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continue;
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}
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break;
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}
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}
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if (opts.noext === true) {
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isExtglob = false;
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isGlob = false;
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}
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let base = str;
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let prefix = '';
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let glob = '';
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if (start > 0) {
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prefix = str.slice(0, start);
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str = str.slice(start);
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lastIndex -= start;
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}
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if (base && isGlob === true && lastIndex > 0) {
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base = str.slice(0, lastIndex);
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glob = str.slice(lastIndex);
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} else if (isGlob === true) {
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base = '';
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glob = str;
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} else {
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base = str;
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}
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if (base && base !== '' && base !== '/' && base !== str) {
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if (isPathSeparator(base.charCodeAt(base.length - 1))) {
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base = base.slice(0, -1);
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}
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}
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if (opts.unescape === true) {
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if (glob) glob = utils.removeBackslashes(glob);
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if (base && backslashes === true) {
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base = utils.removeBackslashes(base);
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}
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}
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const state = {
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prefix,
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input,
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start,
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base,
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glob,
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isBrace,
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isBracket,
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isGlob,
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isExtglob,
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isGlobstar,
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negated
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};
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if (opts.tokens === true) {
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state.maxDepth = 0;
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if (!isPathSeparator(code)) {
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tokens.push(token);
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}
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state.tokens = tokens;
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}
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if (opts.parts === true || opts.tokens === true) {
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let prevIndex;
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for (let idx = 0; idx < slashes.length; idx++) {
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const n = prevIndex ? prevIndex + 1 : start;
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const i = slashes[idx];
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const value = input.slice(n, i);
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if (opts.tokens) {
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if (idx === 0 && start !== 0) {
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tokens[idx].isPrefix = true;
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tokens[idx].value = prefix;
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} else {
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tokens[idx].value = value;
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}
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depth(tokens[idx]);
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state.maxDepth += tokens[idx].depth;
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}
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if (idx !== 0 || value !== '') {
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parts.push(value);
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}
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prevIndex = i;
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}
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if (prevIndex && prevIndex + 1 < input.length) {
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const value = input.slice(prevIndex + 1);
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parts.push(value);
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if (opts.tokens) {
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tokens[tokens.length - 1].value = value;
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depth(tokens[tokens.length - 1]);
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state.maxDepth += tokens[tokens.length - 1].depth;
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}
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}
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state.slashes = slashes;
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state.parts = parts;
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}
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return state;
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};
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module.exports = scan;
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