feat(vanilla): add testing infrastructure and tests (NK-wjnczv)

1 files changed, 72 insertions, 0 deletions

diff --git a/vanilla/node_modules/picomatch/lib/utils.js b/vanilla/node_modules/picomatch/lib/utils.js
new file mode 100644
index 0000000..9c97cae
--- /dev/null
+++ b/vanilla/node_modules/picomatch/lib/utils.js
@@ -0,0 +1,72 @@
+/*global navigator*/
+'use strict';
+
+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.isWindows = () => {
+  if (typeof navigator !== 'undefined' && navigator.platform) {
+    const platform = navigator.platform.toLowerCase();
+    return platform === 'win32' || platform === 'windows';
+  }
+
+  if (typeof process !== 'undefined' && process.platform) {
+    return process.platform === 'win32';
+  }
+
+  return false;
+};
+
+exports.removeBackslashes = str => {
+  return str.replace(REGEX_REMOVE_BACKSLASH, match => {
+    return match === '\\' ? '' : match;
+  });
+};
+
+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;
+};
+
+exports.basename = (path, { windows } = {}) => {
+  const segs = path.split(windows ? /[\\/]/ : '/');
+  const last = segs[segs.length - 1];
+
+  if (last === '') {
+    return segs[segs.length - 2];
+  }
+
+  return last;
+};