compare-versions - npm Package Compare versions

Comparing version 5.0.1 to 5.0.2

lib/esm/index.d.ts

@@ -8,3 +8,3 @@ /**
  */
-export declare const compareVersions: (v1: string, v2: string) => 1 | -1 | 0;
+export declare const compareVersions: (v1: string, v2: string) => 0 | 1 | -1;
 /**
@@ -27,3 +27,3 @@ * Validate [semver](https://semver.org/) version strings.
  */
-export declare type CompareOperator = '>' | '>=' | '=' | '<' | '<=';
+export type CompareOperator = '>' | '>=' | '=' | '<' | '<=';
 /**
@@ -30,0 +30,0 @@ * Compare [semver](https://semver.org/) version strings using the specified operator.

lib/umd/index.js

@@ -163,5 +163,3 @@ (function (global, factory) {
 
-    Object.defineProperty(exports, '__esModule', { value: true });
-
 }));
 //# sourceMappingURL=index.js.map

package.json

 {
   "name": "compare-versions",
-  "version": "5.0.1",
+  "version": "5.0.2",
   "description": "Compare semver version strings to find greater, equal or lesser.",
@@ -37,6 +37,6 @@ "repository": {
   "devDependencies": {
-    "@types/mocha": "^9.1.0",
+    "@types/mocha": "^10.0.1",
     "c8": "^7.10.0",
     "mocha": "^10.0.0",
-    "rollup": "^2.78.1",
+    "rollup": "^3.7.4",
     "ts-node": "^10.7.0",
@@ -43,0 +43,0 @@ "typescript": "^4.6.3"

src/index.ts

@@ -103,10 +103,27 @@ /**
   // else range of either "~" or "^" is assumed
-  const [v1, v2, v3] = validateAndParse(version);
-  const [r1, r2, r3] = validateAndParse(range);
-  if (compareStrings(v1, r1) !== 0) return false;
-  if (op === '^') {
-    return compareSegments([v2, v3], [r2, r3]) >= 0;
+  const [v1, v2, v3, , vp] = validateAndParse(version);
+  const [r1, r2, r3, , rp] = validateAndParse(range);
+  const v = [v1, v2, v3];
+  const r = [r1, r2 ?? 'x', r3 ?? 'x'];
+
+  // validate pre-release
+  if (rp) {
+    if (!vp) return false;
+    if (compareSegments(v, r) !== 0) return false;
+    if (compareSegments(vp.split('.'), rp.split('.')) === -1) return false;
   }
-  if (compareStrings(v2, r2) !== 0) return false;
-  return compareStrings(v3, r3) >= 0;
+
+  // first non-zero number
+  const nonZero = r.findIndex((v) => v !== '0') + 1;
+
+  // pointer to where segments can be >=
+  const i = op === '~' ? 2 : nonZero > 1 ? nonZero : 1;
+
+  // before pointer must be equal
+  if (compareSegments(v.slice(0, i), r.slice(0, i)) !== 0) return false;
+
+  // after pointer must be >=
+  if (compareSegments(v.slice(i), r.slice(i)) === -1) return false;
+
+  return true;
 };
@@ -150,4 +167,4 @@
 const compareSegments = (
-  a: string | RegExpMatchArray,
-  b: string | RegExpMatchArray
+  a: string | string[] | RegExpMatchArray,
+  b: string | string[] | RegExpMatchArray
 ) => {
@@ -154,0 +171,0 @@ for (let i = 0; i < Math.max(a.length, b.length); i++) {

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Improved metrics

Total package byte prevSize

40440

increased by1.01%

Lines of code

538

increased by1.89%

No dependency changes