feat: add the ability to use an array of versions in Parser.satisfies() (#466)

src/parser.js

@@ -441,7 +441,7 @@ class Parser {
 
     allDefinitions.forEach((key) => {
       const currentDefinition = checkTree[key];
-      if (typeof currentDefinition === 'string') {
+      if (typeof currentDefinition === 'string' || Array.isArray(currentDefinition)) {
         browsers[key] = currentDefinition;
         browsersCounter += 1;
       } else if (typeof currentDefinition === 'object') {
@@ -480,7 +480,7 @@ class Parser {
       const matchingDefinition = Utils.find(browserNames, name => (this.isBrowser(name, true)));
 
       if (matchingDefinition !== void 0) {
-        return this.compareVersion(browsers[matchingDefinition]);
+        return this.compareVersions(browsers[matchingDefinition]);
       }
     }
 
@@ -504,6 +504,19 @@ class Parser {
     return browserNameLower === defaultBrowserName;
   }
 
+  /**
+   * Check if browser version equals the version or equals one of versions
+   * @param {(string|string[])} versionsOrVersion versions strings array or version string
+   * @returns {boolean}
+   */
+  compareVersions(versionsOrVersion) {
+    if (typeof versionsOrVersion === 'string') {
+      return this.compareVersion(versionsOrVersion);
+    }
+
+    return versionsOrVersion.some(version => this.compareVersion(version));
+  }
+
   compareVersion(version) {
     let expectedResults = [0];
     let comparableVersion = version;

test/unit/parser.js

@@ -80,7 +80,7 @@ test('Skip parsing shouldn\'t parse', (t) => {
 });
 
 test('Parser.satisfies should make simple comparisons', (t) => {
-  // also covers Parser.compareVersion() method
+  // also covers Parser.compareVersion() and Parser.compareVersions() methods
   t.is(parser.satisfies({ opera: '>42' }), true);
   t.is(parser.satisfies({ opera: '<44' }), true);
   t.is(parser.satisfies({ opera: '=43.0.2442.1165' }), true);
@@ -96,6 +96,12 @@ test('Parser.satisfies should make simple comparisons', (t) => {
   t.is(parser.satisfies({ opera: '~43' }), true);
 });
 
+test('Parser.satisfies should make comparisons with array of versions', (t) => {
+  // also covers Parser.compareVersion() and Parser.compareVersions() methods
+  t.is(parser.satisfies({ opera: ['~42', '~43'] }), true);
+  t.is(parser.satisfies({ opera: ['~40', '~41'] }), false);
+});
+
 test('Parser.satisfies should make complex comparison', (t) => {
   t.is(parser.satisfies({
     macos: {