fix: make re2 optional

Closes codefresh-io#11
JamieMagee · Jan 26, 2022 · cc43039 · cc43039
1 parent 957b11b
commit cc43039
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Showing 3 changed files with 186 additions and 94 deletions.
diff --git a/lib/parsers.js b/lib/parsers.js
@@ -1,6 +1,13 @@
 'use strict';
 
-const RE2 = require('re2');
+const regEx = (() => {
+    try {
+        const RE2 = require('re2');
+        return typeof RE2 === 'function' ? RE2 : RegExp;
+    } catch (e) {
+        return RegExp;
+    }
+})();
 
 const { referenceRegexp, anchoredNameRegexp, anchoredIdentifierRegexp } = require('./regexp');
 const { validateDigest, isDigest } = require('./digest');
@@ -85,7 +92,7 @@ function _parseQualifiedName(regexp, name) {
 }
 
 exports.parseQualifiedNameOptimized = (name) => {
-    return _parseQualifiedName(new RE2(referenceRegexp), name);
+    return _parseQualifiedName(new regEx(referenceRegexp), name);
 };
 
 exports.parseQualifiedName = (name) => {

diff --git a/package.json b/package.json
@@ -34,7 +34,7 @@
     "rimraf": "^2.6.1",
     "typescript": "^4.5.3"
   },
-  "dependencies": {
-    "re2": "^1.16.0"
+  "optionalDependencies": {
+    "re2": "^1.17.3"
   }
 }