diff --git a/package-lock.json b/package-lock.json
index c2fd5884..6ce44697 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,6 +24,8 @@
             "devDependencies": {
                 "@nlib/eslint-config": "3.17.29",
                 "@nlib/githooks": "0.1.0",
+                "@nlib/indexen": "^0.1.2",
+                "@nlib/lint-commit": "^0.1.8",
                 "@types/anymatch": "3.0.0",
                 "@types/jsdom": "16.2.13",
                 "@types/micromatch": "4.0.2",
@@ -277,6 +279,72 @@
                 "node": ">=12"
             }
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+        "node_modules/@nlib/indexen": {
+            "version": "0.1.2",
+            "resolved": "https://registry.npmjs.org/@nlib/indexen/-/indexen-0.1.2.tgz",
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+            "dev": true,
+            "dependencies": {
+                "@nlib/nodetool": "0.4.1"
+            },
+            "bin": {
+                "indexen": "lib/cli.js",
+                "nlib-indexen": "lib/cli.js"
+            },
+            "engines": {
+                "node": ">=12"
+            }
+        },
+        "node_modules/@nlib/lint-commit": {
+            "version": "0.1.8",
+            "resolved": "https://registry.npmjs.org/@nlib/lint-commit/-/lint-commit-0.1.8.tgz",
+            "integrity": "sha512-y2qQduv3ztghwu1SxB9blVvn92YKIX0wte8EJiuq4fcEYRuBcBcoX/40jtzCHiw18AYqMWgcxwGnpPvjLFaUgg==",
+            "dev": true,
+            "dependencies": {
+                "@nlib/nodetool": "0.4.1",
+                "@nlib/typing": "0.2.2",
+                "semver": "7.3.5"
+            },
+            "bin": {
+                "lint-commit": "lib/cli.js",
+                "nlib-lint-commit": "lib/cli.js"
+            },
+            "engines": {
+                "node": ">=12"
+            }
+        },
+        "node_modules/@nlib/nodetool": {
+            "version": "0.4.1",
+            "resolved": "https://registry.npmjs.org/@nlib/nodetool/-/nodetool-0.4.1.tgz",
+            "integrity": "sha512-lSkfwrdEYHUtTOid4xTRomDaX+RRxOsmFWAqhjrMqV6XoVpo+FCJAF9uzPK+i0WtZvExjytm88iubh1Gi6O88A==",
+            "dev": true,
+            "dependencies": {
+                "magic-string": "0.25.7",
+                "picomatch": "2.3.0",
+                "source-map": "0.7.3"
+            },
+            "engines": {
+                "node": ">=12"
+            }
+        },
+        "node_modules/@nlib/nodetool/node_modules/source-map": {
+            "version": "0.7.3",
+            "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.3.tgz",
+            "integrity": "sha512-CkCj6giN3S+n9qrYiBTX5gystlENnRW5jZeNLHpe6aue+SrHcG5VYwujhW9s4dY31mEGsxBDrHR6oI69fTXsaQ==",
+            "dev": true,
+            "engines": {
+                "node": ">= 8"
+            }
+        },
+        "node_modules/@nlib/typing": {
+            "version": "0.2.2",
+            "resolved": "https://registry.npmjs.org/@nlib/typing/-/typing-0.2.2.tgz",
+            "integrity": "sha512-kmoFNyXeB28Q8WO6yOMMXx38e+2+PGRpThwMd/Cd2rbGVx8HeA7JExcQ/h92vn4MygW+7u4es1Et8U/Wa13QOw==",
+            "dev": true,
+            "engines": {
+                "node": ">=12"
+            }
+        },
         "node_modules/@nodelib/fs.scandir": {
             "version": "2.1.5",
             "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@@ -3463,6 +3531,15 @@
                 "node": ">=10"
             }
         },
+        "node_modules/magic-string": {
+            "version": "0.25.7",
+            "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.25.7.tgz",
+            "integrity": "sha512-4CrMT5DOHTDk4HYDlzmwu4FVCcIYI8gauveasrdCu2IKIFOJ3f0v/8MDGJCDL9oD2ppz/Av1b0Nj345H9M+XIA==",
+            "dev": true,
+            "dependencies": {
+                "sourcemap-codec": "^1.4.4"
+            }
+        },
         "node_modules/make-dir": {
             "version": "3.1.0",
             "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-3.1.0.tgz",
@@ -5013,6 +5090,12 @@
                 "source-map": "^0.6.0"
             }
         },
+        "node_modules/sourcemap-codec": {
+            "version": "1.4.8",
+            "resolved": "https://registry.npmjs.org/sourcemap-codec/-/sourcemap-codec-1.4.8.tgz",
+            "integrity": "sha512-9NykojV5Uih4lgo5So5dtw+f0JgJX30KCNI8gwhz2J9A15wD0Ml6tjHKwf6fTSa6fAdVBdZeNOs9eJ71qCk8vA==",
+            "dev": true
+        },
         "node_modules/spdx-correct": {
             "version": "3.1.1",
             "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.1.1.tgz",
@@ -5991,6 +6074,51 @@
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             "dev": true
         },
+        "@nlib/indexen": {
+            "version": "0.1.2",
+            "resolved": "https://registry.npmjs.org/@nlib/indexen/-/indexen-0.1.2.tgz",
+            "integrity": "sha512-Roxr9CXX7UhKKtmppqLZwJoDl51r3Rcg/eCiC5xW1zfGk7tXYYy9TlFT/IMBIOZYhxUpNEfmqTUTRT7Q6nd0Lw==",
+            "dev": true,
+            "requires": {
+                "@nlib/nodetool": "0.4.1"
+            }
+        },
+        "@nlib/lint-commit": {
+            "version": "0.1.8",
+            "resolved": "https://registry.npmjs.org/@nlib/lint-commit/-/lint-commit-0.1.8.tgz",
+            "integrity": "sha512-y2qQduv3ztghwu1SxB9blVvn92YKIX0wte8EJiuq4fcEYRuBcBcoX/40jtzCHiw18AYqMWgcxwGnpPvjLFaUgg==",
+            "dev": true,
+            "requires": {
+                "@nlib/nodetool": "0.4.1",
+                "@nlib/typing": "0.2.2",
+                "semver": "7.3.5"
+            }
+        },
+        "@nlib/nodetool": {
+            "version": "0.4.1",
+            "resolved": "https://registry.npmjs.org/@nlib/nodetool/-/nodetool-0.4.1.tgz",
+            "integrity": "sha512-lSkfwrdEYHUtTOid4xTRomDaX+RRxOsmFWAqhjrMqV6XoVpo+FCJAF9uzPK+i0WtZvExjytm88iubh1Gi6O88A==",
+            "dev": true,
+            "requires": {
+                "magic-string": "0.25.7",
+                "picomatch": "2.3.0",
+                "source-map": "0.7.3"
+            },
+            "dependencies": {
+                "source-map": {
+                    "version": "0.7.3",
+                    "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.3.tgz",
+                    "integrity": "sha512-CkCj6giN3S+n9qrYiBTX5gystlENnRW5jZeNLHpe6aue+SrHcG5VYwujhW9s4dY31mEGsxBDrHR6oI69fTXsaQ==",
+                    "dev": true
+                }
+            }
+        },
+        "@nlib/typing": {
+            "version": "0.2.2",
+            "resolved": "https://registry.npmjs.org/@nlib/typing/-/typing-0.2.2.tgz",
+            "integrity": "sha512-kmoFNyXeB28Q8WO6yOMMXx38e+2+PGRpThwMd/Cd2rbGVx8HeA7JExcQ/h92vn4MygW+7u4es1Et8U/Wa13QOw==",
+            "dev": true
+        },
         "@nodelib/fs.scandir": {
             "version": "2.1.5",
             "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@@ -8351,6 +8479,15 @@
                 "yallist": "^4.0.0"
             }
         },
+        "magic-string": {
+            "version": "0.25.7",
+            "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.25.7.tgz",
+            "integrity": "sha512-4CrMT5DOHTDk4HYDlzmwu4FVCcIYI8gauveasrdCu2IKIFOJ3f0v/8MDGJCDL9oD2ppz/Av1b0Nj345H9M+XIA==",
+            "dev": true,
+            "requires": {
+                "sourcemap-codec": "^1.4.4"
+            }
+        },
         "make-dir": {
             "version": "3.1.0",
             "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-3.1.0.tgz",
@@ -9476,6 +9613,12 @@
                 "source-map": "^0.6.0"
             }
         },
+        "sourcemap-codec": {
+            "version": "1.4.8",
+            "resolved": "https://registry.npmjs.org/sourcemap-codec/-/sourcemap-codec-1.4.8.tgz",
+            "integrity": "sha512-9NykojV5Uih4lgo5So5dtw+f0JgJX30KCNI8gwhz2J9A15wD0Ml6tjHKwf6fTSa6fAdVBdZeNOs9eJ71qCk8vA==",
+            "dev": true
+        },
         "spdx-correct": {
             "version": "3.1.1",
             "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.1.1.tgz",
diff --git a/package.json b/package.json
index f4c90881..16026119 100644
--- a/package.json
+++ b/package.json
@@ -62,6 +62,8 @@
     "devDependencies": {
         "@nlib/eslint-config": "3.17.29",
         "@nlib/githooks": "0.1.0",
+        "@nlib/indexen": "^0.1.2",
+        "@nlib/lint-commit": "^0.1.8",
         "@types/anymatch": "3.0.0",
         "@types/jsdom": "16.2.13",
         "@types/micromatch": "4.0.2",