diff --git a/package-lock.json b/package-lock.json
index e5ce639..4f7b330 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "timestamp-utils",
-  "version": "2.1.0",
+  "version": "2.2.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -30,21 +30,21 @@
       "dev": true
     },
     "@babel/core": {
-      "version": "7.18.6",
-      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.18.6.tgz",
-      "integrity": "sha512-cQbWBpxcbbs/IUredIPkHiAGULLV8iwgNRMFzvbhEXISp4f3rUUXE5+TIw6KwUWUR3DwyI6gmBRnmAtYaWehwQ==",
+      "version": "7.19.0",
+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.19.0.tgz",
+      "integrity": "sha512-reM4+U7B9ss148rh2n1Qs9ASS+w94irYXga7c2jaQv9RVzpS7Mv1a9rnYYwuDa45G+DkORt9g6An2k/V4d9LbQ==",
       "dev": true,
       "requires": {
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-        "@babel/generator": "^7.18.6",
-        "@babel/helper-compilation-targets": "^7.18.6",
-        "@babel/helper-module-transforms": "^7.18.6",
-        "@babel/helpers": "^7.18.6",
-        "@babel/parser": "^7.18.6",
-        "@babel/template": "^7.18.6",
-        "@babel/traverse": "^7.18.6",
-        "@babel/types": "^7.18.6",
+        "@babel/generator": "^7.19.0",
+        "@babel/helper-compilation-targets": "^7.19.0",
+        "@babel/helper-module-transforms": "^7.19.0",
+        "@babel/helpers": "^7.19.0",
+        "@babel/parser": "^7.19.0",
+        "@babel/template": "^7.18.10",
+        "@babel/traverse": "^7.19.0",
+        "@babel/types": "^7.19.0",
         "convert-source-map": "^1.7.0",
         "debug": "^4.1.0",
         "gensync": "^1.0.0-beta.2",
@@ -61,6 +61,67 @@
             "@babel/highlight": "^7.18.6"
           }
         },
+        "@babel/compat-data": {
+          "version": "7.19.0",
+          "resolved": "https://registry.npmjs.org/@babel/compat-data/-/compat-data-7.19.0.tgz",
+          "integrity": "sha512-y5rqgTTPTmaF5e2nVhOxw+Ur9HDJLsWb6U/KpgUzRZEdPfE6VOubXBKLdbcUTijzRptednSBDQbYZBOSqJxpJw==",
+          "dev": true
+        },
+        "@babel/generator": {
+          "version": "7.19.0",
+          "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.19.0.tgz",
+          "integrity": "sha512-S1ahxf1gZ2dpoiFgA+ohK9DIpz50bJ0CWs7Zlzb54Z4sG8qmdIrGrVqmy1sAtTVRb+9CU6U8VqT9L0Zj7hxHVg==",
+          "dev": true,
+          "requires": {
+            "@babel/types": "^7.19.0",
+            "@jridgewell/gen-mapping": "^0.3.2",
+            "jsesc": "^2.5.1"
+          }
+        },
+        "@babel/helper-compilation-targets": {
+          "version": "7.19.0",
+          "resolved": "https://registry.npmjs.org/@babel/helper-compilation-targets/-/helper-compilation-targets-7.19.0.tgz",
+          "integrity": "sha512-Ai5bNWXIvwDvWM7njqsG3feMlL9hCVQsPYXodsZyLwshYkZVJt59Gftau4VrE8S9IT9asd2uSP1hG6wCNw+sXA==",
+          "dev": true,
+          "requires": {
+            "@babel/compat-data": "^7.19.0",
+            "@babel/helper-validator-option": "^7.18.6",
+            "browserslist": "^4.20.2",
+            "semver": "^6.3.0"
+          }
+        },
+        "@babel/helper-environment-visitor": {
+          "version": "7.18.9",
+          "resolved": "https://registry.npmjs.org/@babel/helper-environment-visitor/-/helper-environment-visitor-7.18.9.tgz",
+          "integrity": "sha512-3r/aACDJ3fhQ/EVgFy0hpj8oHyHpQc+LPtJoY9SzTThAsStm4Ptegq92vqKoE3vD706ZVFWITnMnxucw+S9Ipg==",
+          "dev": true
+        },
+        "@babel/helper-function-name": {
+          "version": "7.19.0",
+          "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.19.0.tgz",
+          "integrity": "sha512-WAwHBINyrpqywkUH0nTnNgI5ina5TFn85HKS0pbPDfxFfhyR/aNQEn4hGi1P1JyT//I0t4OgXUlofzWILRvS5w==",
+          "dev": true,
+          "requires": {
+            "@babel/template": "^7.18.10",
+            "@babel/types": "^7.19.0"
+          }
+        },
+        "@babel/helper-module-transforms": {
+          "version": "7.19.0",
+          "resolved": "https://registry.npmjs.org/@babel/helper-module-transforms/-/helper-module-transforms-7.19.0.tgz",
+          "integrity": "sha512-3HBZ377Fe14RbLIA+ac3sY4PTgpxHVkFrESaWhoI5PuyXPBBX8+C34qblV9G89ZtycGJCmCI/Ut+VUDK4bltNQ==",
+          "dev": true,
+          "requires": {
+            "@babel/helper-environment-visitor": "^7.18.9",
+            "@babel/helper-module-imports": "^7.18.6",
+            "@babel/helper-simple-access": "^7.18.6",
+            "@babel/helper-split-export-declaration": "^7.18.6",
+            "@babel/helper-validator-identifier": "^7.18.6",
+            "@babel/template": "^7.18.10",
+            "@babel/traverse": "^7.19.0",
+            "@babel/types": "^7.19.0"
+          }
+        },
         "@babel/highlight": {
           "version": "7.18.6",
           "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.18.6.tgz",
@@ -71,6 +132,63 @@
             "chalk": "^2.0.0",
             "js-tokens": "^4.0.0"
           }
+        },
+        "@babel/parser": {
+          "version": "7.19.0",
+          "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.19.0.tgz",
+          "integrity": "sha512-74bEXKX2h+8rrfQUfsBfuZZHzsEs6Eql4pqy/T4Nn6Y9wNPggQOqD6z6pn5Bl8ZfysKouFZT/UXEH94ummEeQw==",
+          "dev": true
+        },
+        "@babel/template": {
+          "version": "7.18.10",
+          "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.18.10.tgz",
+          "integrity": "sha512-TI+rCtooWHr3QJ27kJxfjutghu44DLnasDMwpDqCXVTal9RLp3RSYNh4NdBrRP2cQAoG9A8juOQl6P6oZG4JxA==",
+          "dev": true,
+          "requires": {
+            "@babel/code-frame": "^7.18.6",
+            "@babel/parser": "^7.18.10",
+            "@babel/types": "^7.18.10"
+          }
+        },
+        "@babel/traverse": {
+          "version": "7.19.0",
+          "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.19.0.tgz",
+          "integrity": "sha512-4pKpFRDh+utd2mbRC8JLnlsMUii3PMHjpL6a0SZ4NMZy7YFP9aXORxEhdMVOc9CpWtDF09IkciQLEhK7Ml7gRA==",
+          "dev": true,
+          "requires": {
+            "@babel/code-frame": "^7.18.6",
+            "@babel/generator": "^7.19.0",
+            "@babel/helper-environment-visitor": "^7.18.9",
+            "@babel/helper-function-name": "^7.19.0",
+            "@babel/helper-hoist-variables": "^7.18.6",
+            "@babel/helper-split-export-declaration": "^7.18.6",
+            "@babel/parser": "^7.19.0",
+            "@babel/types": "^7.19.0",
+            "debug": "^4.1.0",
+            "globals": "^11.1.0"
+          }
+        },
+        "@babel/types": {
+          "version": "7.19.0",
+          "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.19.0.tgz",
+          "integrity": "sha512-YuGopBq3ke25BVSiS6fgF49Ul9gH1x70Bcr6bqRLjWCkcX8Hre1/5+z+IiWOIerRMSSEfGZVB9z9kyq7wVs9YA==",
+          "dev": true,
+          "requires": {
+            "@babel/helper-string-parser": "^7.18.10",
+            "@babel/helper-validator-identifier": "^7.18.6",
+            "to-fast-properties": "^2.0.0"
+          }
+        },
+        "@jridgewell/gen-mapping": {
+          "version": "0.3.2",
+          "resolved": "https://registry.npmjs.org/@jridgewell/gen-mapping/-/gen-mapping-0.3.2.tgz",
+          "integrity": "sha512-mh65xKQAzI6iBcFzwv28KVWSmCkdRBWoOh+bYQGW3+6OZvbbN3TqMGo5hqYxQniRcH9F2VZIoJCm4pa3BPDK/A==",
+          "dev": true,
+          "requires": {
+            "@jridgewell/set-array": "^1.0.1",
+            "@jridgewell/sourcemap-codec": "^1.4.10",
+            "@jridgewell/trace-mapping": "^0.3.9"
+          }
         }
       }
     },
@@ -305,6 +423,12 @@
         "@babel/types": "^7.18.6"
       }
     },
+    "@babel/helper-string-parser": {
+      "version": "7.18.10",
+      "resolved": "https://registry.npmjs.org/@babel/helper-string-parser/-/helper-string-parser-7.18.10.tgz",
+      "integrity": "sha512-XtIfWmeNY3i4t7t4D2t02q50HvqHybPqW2ki1kosnvWCwuCMeo81Jf0gwr85jy/neUdg5XDdeFE/80DXiO+njw==",
+      "dev": true
+    },
     "@babel/helper-validator-identifier": {
       "version": "7.18.6",
       "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.18.6.tgz",
@@ -330,14 +454,120 @@
       }
     },
     "@babel/helpers": {
-      "version": "7.18.6",
-      "resolved": "https://registry.npmjs.org/@babel/helpers/-/helpers-7.18.6.tgz",
-      "integrity": "sha512-vzSiiqbQOghPngUYt/zWGvK3LAsPhz55vc9XNN0xAl2gV4ieShI2OQli5duxWHD+72PZPTKAcfcZDE1Cwc5zsQ==",
+      "version": "7.19.0",
+      "resolved": "https://registry.npmjs.org/@babel/helpers/-/helpers-7.19.0.tgz",
+      "integrity": "sha512-DRBCKGwIEdqY3+rPJgG/dKfQy9+08rHIAJx8q2p+HSWP87s2HCrQmaAMMyMll2kIXKCW0cO1RdQskx15Xakftg==",
       "dev": true,
       "requires": {
-        "@babel/template": "^7.18.6",
-        "@babel/traverse": "^7.18.6",
-        "@babel/types": "^7.18.6"
+        "@babel/template": "^7.18.10",
+        "@babel/traverse": "^7.19.0",
+        "@babel/types": "^7.19.0"
+      },
+      "dependencies": {
+        "@babel/code-frame": {
+          "version": "7.18.6",
+          "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.18.6.tgz",
+          "integrity": "sha512-TDCmlK5eOvH+eH7cdAFlNXeVJqWIQ7gW9tY1GJIpUtFb6CmjVyq2VM3u71bOyR8CRihcCgMUYoDNyLXao3+70Q==",
+          "dev": true,
+          "requires": {
+            "@babel/highlight": "^7.18.6"
+          }
+        },
+        "@babel/generator": {
+          "version": "7.19.0",
+          "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.19.0.tgz",
+          "integrity": "sha512-S1ahxf1gZ2dpoiFgA+ohK9DIpz50bJ0CWs7Zlzb54Z4sG8qmdIrGrVqmy1sAtTVRb+9CU6U8VqT9L0Zj7hxHVg==",
+          "dev": true,
+          "requires": {
+            "@babel/types": "^7.19.0",
+            "@jridgewell/gen-mapping": "^0.3.2",
+            "jsesc": "^2.5.1"
+          }
+        },
+        "@babel/helper-environment-visitor": {
+          "version": "7.18.9",
+          "resolved": "https://registry.npmjs.org/@babel/helper-environment-visitor/-/helper-environment-visitor-7.18.9.tgz",
+          "integrity": "sha512-3r/aACDJ3fhQ/EVgFy0hpj8oHyHpQc+LPtJoY9SzTThAsStm4Ptegq92vqKoE3vD706ZVFWITnMnxucw+S9Ipg==",
+          "dev": true
+        },
+        "@babel/helper-function-name": {
+          "version": "7.19.0",
+          "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.19.0.tgz",
+          "integrity": "sha512-WAwHBINyrpqywkUH0nTnNgI5ina5TFn85HKS0pbPDfxFfhyR/aNQEn4hGi1P1JyT//I0t4OgXUlofzWILRvS5w==",
+          "dev": true,
+          "requires": {
+            "@babel/template": "^7.18.10",
+            "@babel/types": "^7.19.0"
+          }
+        },
+        "@babel/highlight": {
+          "version": "7.18.6",
+          "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.18.6.tgz",
+          "integrity": "sha512-u7stbOuYjaPezCuLj29hNW1v64M2Md2qupEKP1fHc7WdOA3DgLh37suiSrZYY7haUB7iBeQZ9P1uiRF359do3g==",
+          "dev": true,
+          "requires": {
+            "@babel/helper-validator-identifier": "^7.18.6",
+            "chalk": "^2.0.0",
+            "js-tokens": "^4.0.0"
+          }
+        },
+        "@babel/parser": {
+          "version": "7.19.0",
+          "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.19.0.tgz",
+          "integrity": "sha512-74bEXKX2h+8rrfQUfsBfuZZHzsEs6Eql4pqy/T4Nn6Y9wNPggQOqD6z6pn5Bl8ZfysKouFZT/UXEH94ummEeQw==",
+          "dev": true
+        },
+        "@babel/template": {
+          "version": "7.18.10",
+          "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.18.10.tgz",
+          "integrity": "sha512-TI+rCtooWHr3QJ27kJxfjutghu44DLnasDMwpDqCXVTal9RLp3RSYNh4NdBrRP2cQAoG9A8juOQl6P6oZG4JxA==",
+          "dev": true,
+          "requires": {
+            "@babel/code-frame": "^7.18.6",
+            "@babel/parser": "^7.18.10",
+            "@babel/types": "^7.18.10"
+          }
+        },
+        "@babel/traverse": {
+          "version": "7.19.0",
+          "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.19.0.tgz",
+          "integrity": "sha512-4pKpFRDh+utd2mbRC8JLnlsMUii3PMHjpL6a0SZ4NMZy7YFP9aXORxEhdMVOc9CpWtDF09IkciQLEhK7Ml7gRA==",
+          "dev": true,
+          "requires": {
+            "@babel/code-frame": "^7.18.6",
+            "@babel/generator": "^7.19.0",
+            "@babel/helper-environment-visitor": "^7.18.9",
+            "@babel/helper-function-name": "^7.19.0",
+            "@babel/helper-hoist-variables": "^7.18.6",
+            "@babel/helper-split-export-declaration": "^7.18.6",
+            "@babel/parser": "^7.19.0",
+            "@babel/types": "^7.19.0",
+            "debug": "^4.1.0",
+            "globals": "^11.1.0"
+          }
+        },
+        "@babel/types": {
+          "version": "7.19.0",
+          "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.19.0.tgz",
+          "integrity": "sha512-YuGopBq3ke25BVSiS6fgF49Ul9gH1x70Bcr6bqRLjWCkcX8Hre1/5+z+IiWOIerRMSSEfGZVB9z9kyq7wVs9YA==",
+          "dev": true,
+          "requires": {
+            "@babel/helper-string-parser": "^7.18.10",
+            "@babel/helper-validator-identifier": "^7.18.6",
+            "to-fast-properties": "^2.0.0"
+          }
+        },
+        "@jridgewell/gen-mapping": {
+          "version": "0.3.2",
+          "resolved": "https://registry.npmjs.org/@jridgewell/gen-mapping/-/gen-mapping-0.3.2.tgz",
+          "integrity": "sha512-mh65xKQAzI6iBcFzwv28KVWSmCkdRBWoOh+bYQGW3+6OZvbbN3TqMGo5hqYxQniRcH9F2VZIoJCm4pa3BPDK/A==",
+          "dev": true,
+          "requires": {
+            "@jridgewell/set-array": "^1.0.1",
+            "@jridgewell/sourcemap-codec": "^1.4.10",
+            "@jridgewell/trace-mapping": "^0.3.9"
+          }
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       }
     },
     "@babel/highlight": {
diff --git a/package.json b/package.json
index 629947b..42fc53a 100644
--- a/package.json
+++ b/package.json
@@ -67,7 +67,7 @@
   "author": "Arnaud CETOUTE <arnaud.cetoute@hotmail.fr>",
   "license": "MIT",
   "devDependencies": {
-    "@babel/core": "7.18.6",
+    "@babel/core": "7.19.0",
     "@babel/plugin-proposal-object-rest-spread": "7.18.6",
     "@babel/preset-env": "7.18.6",
     "@babel/register": "7.18.6",