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1 files changed, 64 insertions, 0 deletions

diff --git a/node_modules/picomatch/lib/utils.js b/node_modules/picomatch/lib/utils.js
new file mode 100644
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+++ b/node_modules/picomatch/lib/utils.js
@@ -0,0 +1,64 @@
+'use strict';
+
+const path = require('path');
+const win32 = process.platform === 'win32';
+const {
+  REGEX_BACKSLASH,
+  REGEX_REMOVE_BACKSLASH,
+  REGEX_SPECIAL_CHARS,
+  REGEX_SPECIAL_CHARS_GLOBAL
+} = require('./constants');
+
+exports.isObject = val => val !== null && typeof val === 'object' && !Array.isArray(val);
+exports.hasRegexChars = str => REGEX_SPECIAL_CHARS.test(str);
+exports.isRegexChar = str => str.length === 1 && exports.hasRegexChars(str);
+exports.escapeRegex = str => str.replace(REGEX_SPECIAL_CHARS_GLOBAL, '\\$1');
+exports.toPosixSlashes = str => str.replace(REGEX_BACKSLASH, '/');
+
+exports.removeBackslashes = str => {
+  return str.replace(REGEX_REMOVE_BACKSLASH, match => {
+    return match === '\\' ? '' : match;
+  });
+};
+
+exports.supportsLookbehinds = () => {
+  const segs = process.version.slice(1).split('.').map(Number);
+  if (segs.length === 3 && segs[0] >= 9 || (segs[0] === 8 && segs[1] >= 10)) {
+    return true;
+  }
+  return false;
+};
+
+exports.isWindows = options => {
+  if (options && typeof options.windows === 'boolean') {
+    return options.windows;
+  }
+  return win32 === true || path.sep === '\\';
+};
+
+exports.escapeLast = (input, char, lastIdx) => {
+  const idx = input.lastIndexOf(char, lastIdx);
+  if (idx === -1) return input;
+  if (input[idx - 1] === '\\') return exports.escapeLast(input, char, idx - 1);
+  return `${input.slice(0, idx)}\\${input.slice(idx)}`;
+};
+
+exports.removePrefix = (input, state = {}) => {
+  let output = input;
+  if (output.startsWith('./')) {
+    output = output.slice(2);
+    state.prefix = './';
+  }
+  return output;
+};
+
+exports.wrapOutput = (input, state = {}, options = {}) => {
+  const prepend = options.contains ? '' : '^';
+  const append = options.contains ? '' : '$';
+
+  let output = `${prepend}(?:${input})${append}`;
+  if (state.negated === true) {
+    output = `(?:^(?!${output}).*$)`;
+  }
+  return output;
+};