feat: adding linter for commits

node_modules/compare-versions/index.js

@@ -0,0 +1,115 @@
+/* global define */
+(function (root, factory) {
+  /* istanbul ignore next */
+  if (typeof define === 'function' && define.amd) {
+    define([], factory);
+  } else if (typeof exports === 'object') {
+    module.exports = factory();
+  } else {
+    root.compareVersions = factory();
+  }
+}(this, function () {
+
+  var semver = /^v?(?:\d+)(\.(?:[x*]|\d+)(\.(?:[x*]|\d+)(\.(?:[x*]|\d+))?(?:-[\da-z\-]+(?:\.[\da-z\-]+)*)?(?:\+[\da-z\-]+(?:\.[\da-z\-]+)*)?)?)?$/i;
+
+  function indexOrEnd(str, q) {
+    return str.indexOf(q) === -1 ? str.length : str.indexOf(q);
+  }
+
+  function split(v) {
+    var c = v.replace(/^v/, '').replace(/\+.*$/, '');
+    var patchIndex = indexOrEnd(c, '-');
+    var arr = c.substring(0, patchIndex).split('.');
+    arr.push(c.substring(patchIndex + 1));
+    return arr;
+  }
+
+  function tryParse(v) {
+    return isNaN(Number(v)) ? v : Number(v);
+  }
+
+  function validate(version) {
+    if (typeof version !== 'string') {
+      throw new TypeError('Invalid argument expected string');
+    }
+    if (!semver.test(version)) {
+      throw new Error('Invalid argument not valid semver (\''+version+'\' received)');
+    }
+  }
+
+  function compareVersions(v1, v2) {
+    [v1, v2].forEach(validate);
+
+    var s1 = split(v1);
+    var s2 = split(v2);
+
+    for (var i = 0; i < Math.max(s1.length - 1, s2.length - 1); i++) {
+      var n1 = parseInt(s1[i] || 0, 10);
+      var n2 = parseInt(s2[i] || 0, 10);
+
+      if (n1 > n2) return 1;
+      if (n2 > n1) return -1;
+    }
+
+    var sp1 = s1[s1.length - 1];
+    var sp2 = s2[s2.length - 1];
+
+    if (sp1 && sp2) {
+      var p1 = sp1.split('.').map(tryParse);
+      var p2 = sp2.split('.').map(tryParse);
+
+      for (i = 0; i < Math.max(p1.length, p2.length); i++) {
+        if (p1[i] === undefined || typeof p2[i] === 'string' && typeof p1[i] === 'number') return -1;
+        if (p2[i] === undefined || typeof p1[i] === 'string' && typeof p2[i] === 'number') return 1;
+
+        if (p1[i] > p2[i]) return 1;
+        if (p2[i] > p1[i]) return -1;
+      }
+    } else if (sp1 || sp2) {
+      return sp1 ? -1 : 1;
+    }
+
+    return 0;
+  };
+
+  var allowedOperators = [
+    '>',
+    '>=',
+    '=',
+    '<',
+    '<='
+  ];
+
+  var operatorResMap = {
+    '>': [1],
+    '>=': [0, 1],
+    '=': [0],
+    '<=': [-1, 0],
+    '<': [-1]
+  };
+
+  function validateOperator(op) {
+    if (typeof op !== 'string') {
+      throw new TypeError('Invalid operator type, expected string but got ' + typeof op);
+    }
+    if (allowedOperators.indexOf(op) === -1) {
+      throw new TypeError('Invalid operator, expected one of ' + allowedOperators.join('|'));
+    }
+  }
+
+  compareVersions.validate = function(version) {
+    return typeof version === 'string' && semver.test(version);
+  }
+
+  compareVersions.compare = function (v1, v2, operator) {
+    // Validate operator
+    validateOperator(operator);
+
+    // since result of compareVersions can only be -1 or 0 or 1
+    // a simple map can be used to replace switch
+    var res = compareVersions(v1, v2);
+    return operatorResMap[operator].indexOf(res) > -1;
+  }
+
+  return compareVersions;
+}));