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Diffstat (limited to 'node_modules/picomatch/lib/scan.js')
| -rw-r--r-- | node_modules/picomatch/lib/scan.js | 391 |
1 files changed, 0 insertions, 391 deletions
diff --git a/node_modules/picomatch/lib/scan.js b/node_modules/picomatch/lib/scan.js deleted file mode 100644 index e59cd7a..0000000 --- a/node_modules/picomatch/lib/scan.js +++ /dev/null @@ -1,391 +0,0 @@ -'use strict'; - -const utils = require('./utils'); -const { - CHAR_ASTERISK, /* * */ - CHAR_AT, /* @ */ - CHAR_BACKWARD_SLASH, /* \ */ - CHAR_COMMA, /* , */ - CHAR_DOT, /* . */ - CHAR_EXCLAMATION_MARK, /* ! */ - CHAR_FORWARD_SLASH, /* / */ - CHAR_LEFT_CURLY_BRACE, /* { */ - CHAR_LEFT_PARENTHESES, /* ( */ - CHAR_LEFT_SQUARE_BRACKET, /* [ */ - CHAR_PLUS, /* + */ - CHAR_QUESTION_MARK, /* ? */ - CHAR_RIGHT_CURLY_BRACE, /* } */ - CHAR_RIGHT_PARENTHESES, /* ) */ - CHAR_RIGHT_SQUARE_BRACKET /* ] */ -} = require('./constants'); - -const isPathSeparator = code => { - return code === CHAR_FORWARD_SLASH || code === CHAR_BACKWARD_SLASH; -}; - -const depth = token => { - if (token.isPrefix !== true) { - token.depth = token.isGlobstar ? Infinity : 1; - } -}; - -/** - * Quickly scans a glob pattern and returns an object with a handful of - * useful properties, like `isGlob`, `path` (the leading non-glob, if it exists), - * `glob` (the actual pattern), `negated` (true if the path starts with `!` but not - * with `!(`) and `negatedExtglob` (true if the path starts with `!(`). - * - * ```js - * const pm = require('picomatch'); - * console.log(pm.scan('foo/bar/*.js')); - * { isGlob: true, input: 'foo/bar/*.js', base: 'foo/bar', glob: '*.js' } - * ``` - * @param {String} `str` - * @param {Object} `options` - * @return {Object} Returns an object with tokens and regex source string. - * @api public - */ - -const scan = (input, options) => { - const opts = options || {}; - - const length = input.length - 1; - const scanToEnd = opts.parts === true || opts.scanToEnd === true; - const slashes = []; - const tokens = []; - const parts = []; - - let str = input; - let index = -1; - let start = 0; - let lastIndex = 0; - let isBrace = false; - let isBracket = false; - let isGlob = false; - let isExtglob = false; - let isGlobstar = false; - let braceEscaped = false; - let backslashes = false; - let negated = false; - let negatedExtglob = false; - let finished = false; - let braces = 0; - let prev; - let code; - let token = { value: '', depth: 0, isGlob: false }; - - const eos = () => index >= length; - const peek = () => str.charCodeAt(index + 1); - const advance = () => { - prev = code; - return str.charCodeAt(++index); - }; - - while (index < length) { - code = advance(); - let next; - - if (code === CHAR_BACKWARD_SLASH) { - backslashes = token.backslashes = true; - code = advance(); - - if (code === CHAR_LEFT_CURLY_BRACE) { - braceEscaped = true; - } - continue; - } - - if (braceEscaped === true || code === CHAR_LEFT_CURLY_BRACE) { - braces++; - - while (eos() !== true && (code = advance())) { - if (code === CHAR_BACKWARD_SLASH) { - backslashes = token.backslashes = true; - advance(); - continue; - } - - if (code === CHAR_LEFT_CURLY_BRACE) { - braces++; - continue; - } - - if (braceEscaped !== true && code === CHAR_DOT && (code = advance()) === CHAR_DOT) { - isBrace = token.isBrace = true; - isGlob = token.isGlob = true; - finished = true; - - if (scanToEnd === true) { - continue; - } - - break; - } - - if (braceEscaped !== true && code === CHAR_COMMA) { - isBrace = token.isBrace = true; - isGlob = token.isGlob = true; - finished = true; - - if (scanToEnd === true) { - continue; - } - - break; - } - - if (code === CHAR_RIGHT_CURLY_BRACE) { - braces--; - - if (braces === 0) { - braceEscaped = false; - isBrace = token.isBrace = true; - finished = true; - break; - } - } - } - - if (scanToEnd === true) { - continue; - } - - break; - } - - if (code === CHAR_FORWARD_SLASH) { - slashes.push(index); - tokens.push(token); - token = { value: '', depth: 0, isGlob: false }; - - if (finished === true) continue; - if (prev === CHAR_DOT && index === (start + 1)) { - start += 2; - continue; - } - - lastIndex = index + 1; - continue; - } - - if (opts.noext !== true) { - const isExtglobChar = code === CHAR_PLUS - || code === CHAR_AT - || code === CHAR_ASTERISK - || code === CHAR_QUESTION_MARK - || code === CHAR_EXCLAMATION_MARK; - - if (isExtglobChar === true && peek() === CHAR_LEFT_PARENTHESES) { - isGlob = token.isGlob = true; - isExtglob = token.isExtglob = true; - finished = true; - if (code === CHAR_EXCLAMATION_MARK && index === start) { - negatedExtglob = true; - } - - if (scanToEnd === true) { - while (eos() !== true && (code = advance())) { - if (code === CHAR_BACKWARD_SLASH) { - backslashes = token.backslashes = true; - code = advance(); - continue; - } - - if (code === CHAR_RIGHT_PARENTHESES) { - isGlob = token.isGlob = true; - finished = true; - break; - } - } - continue; - } - break; - } - } - - if (code === CHAR_ASTERISK) { - if (prev === CHAR_ASTERISK) isGlobstar = token.isGlobstar = true; - isGlob = token.isGlob = true; - finished = true; - - if (scanToEnd === true) { - continue; - } - break; - } - - if (code === CHAR_QUESTION_MARK) { - isGlob = token.isGlob = true; - finished = true; - - if (scanToEnd === true) { - continue; - } - break; - } - - if (code === CHAR_LEFT_SQUARE_BRACKET) { - while (eos() !== true && (next = advance())) { - if (next === CHAR_BACKWARD_SLASH) { - backslashes = token.backslashes = true; - advance(); - continue; - } - - if (next === CHAR_RIGHT_SQUARE_BRACKET) { - isBracket = token.isBracket = true; - isGlob = token.isGlob = true; - finished = true; - break; - } - } - - if (scanToEnd === true) { - continue; - } - - break; - } - - if (opts.nonegate !== true && code === CHAR_EXCLAMATION_MARK && index === start) { - negated = token.negated = true; - start++; - continue; - } - - if (opts.noparen !== true && code === CHAR_LEFT_PARENTHESES) { - isGlob = token.isGlob = true; - - if (scanToEnd === true) { - while (eos() !== true && (code = advance())) { - if (code === CHAR_LEFT_PARENTHESES) { - backslashes = token.backslashes = true; - code = advance(); - continue; - } - - if (code === CHAR_RIGHT_PARENTHESES) { - finished = true; - break; - } - } - continue; - } - break; - } - - if (isGlob === true) { - finished = true; - - if (scanToEnd === true) { - continue; - } - - break; - } - } - - if (opts.noext === true) { - isExtglob = false; - isGlob = false; - } - - let base = str; - let prefix = ''; - let glob = ''; - - if (start > 0) { - prefix = str.slice(0, start); - str = str.slice(start); - lastIndex -= start; - } - - if (base && isGlob === true && lastIndex > 0) { - base = str.slice(0, lastIndex); - glob = str.slice(lastIndex); - } else if (isGlob === true) { - base = ''; - glob = str; - } else { - base = str; - } - - if (base && base !== '' && base !== '/' && base !== str) { - if (isPathSeparator(base.charCodeAt(base.length - 1))) { - base = base.slice(0, -1); - } - } - - if (opts.unescape === true) { - if (glob) glob = utils.removeBackslashes(glob); - - if (base && backslashes === true) { - base = utils.removeBackslashes(base); - } - } - - const state = { - prefix, - input, - start, - base, - glob, - isBrace, - isBracket, - isGlob, - isExtglob, - isGlobstar, - negated, - negatedExtglob - }; - - if (opts.tokens === true) { - state.maxDepth = 0; - if (!isPathSeparator(code)) { - tokens.push(token); - } - state.tokens = tokens; - } - - if (opts.parts === true || opts.tokens === true) { - let prevIndex; - - for (let idx = 0; idx < slashes.length; idx++) { - const n = prevIndex ? prevIndex + 1 : start; - const i = slashes[idx]; - const value = input.slice(n, i); - if (opts.tokens) { - if (idx === 0 && start !== 0) { - tokens[idx].isPrefix = true; - tokens[idx].value = prefix; - } else { - tokens[idx].value = value; - } - depth(tokens[idx]); - state.maxDepth += tokens[idx].depth; - } - if (idx !== 0 || value !== '') { - parts.push(value); - } - prevIndex = i; - } - - if (prevIndex && prevIndex + 1 < input.length) { - const value = input.slice(prevIndex + 1); - parts.push(value); - - if (opts.tokens) { - tokens[tokens.length - 1].value = value; - depth(tokens[tokens.length - 1]); - state.maxDepth += tokens[tokens.length - 1].depth; - } - } - - state.slashes = slashes; - state.parts = parts; - } - - return state; -}; - -module.exports = scan; |