diff --git a/.eslintrc.yaml b/.eslintrc.yaml
index 84a47d26..a1041041 100644
--- a/.eslintrc.yaml
+++ b/.eslintrc.yaml
@@ -34,7 +34,9 @@ rules:
   '@typescript-eslint/no-unsafe-member-access': off
   '@typescript-eslint/no-unused-vars': [warn, argsIgnorePattern: '^_']
   '@typescript-eslint/prefer-includes': warn
-  '@typescript-eslint/prefer-nullish-coalescing': warn
+  '@typescript-eslint/prefer-nullish-coalescing':
+    - warn
+    - { ignoreConditionalTests: true, ignoreMixedLogicalExpressions: true }
   '@typescript-eslint/prefer-optional-chain': warn
   '@typescript-eslint/restrict-template-expressions': off
 
diff --git a/.prettierignore b/.prettierignore
index e67c776f..5c5e5588 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -2,5 +2,6 @@ coverage/
 dist/
 node_modules/
 /docs-slate/
+/playground/
 /tests/json-test-suite/
 /tests/yaml-test-suite/
diff --git a/package-lock.json b/package-lock.json
index a6d5f6bc..89ad1fbd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,16 +19,16 @@
         "@rollup/plugin-typescript": "^11.0.0",
         "@types/jest": "^29.2.4",
         "@types/node": "^14.18.35",
-        "@typescript-eslint/eslint-plugin": "^5.3.1",
-        "@typescript-eslint/parser": "^5.3.1",
+        "@typescript-eslint/eslint-plugin": "^6.4.1",
+        "@typescript-eslint/parser": "^6.4.1",
         "babel-jest": "^29.0.1",
         "cross-env": "^7.0.3",
         "eslint": "^8.2.0",
-        "eslint-config-prettier": "^8.1.0",
+        "eslint-config-prettier": "^9.0.0",
         "fast-check": "^2.12.0",
         "jest": "^29.0.1",
         "jest-ts-webcompat-resolver": "^1.0.0",
-        "prettier": "^2.2.1",
+        "prettier": "^3.0.2",
         "rollup": "^3.7.5",
         "tslib": "^2.1.0",
         "typescript": "^5.0.3"
@@ -2969,32 +2969,33 @@
       "dev": true
     },
     "node_modules/@typescript-eslint/eslint-plugin": {
-      "version": "5.62.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-5.62.0.tgz",
-      "integrity": "sha512-TiZzBSJja/LbhNPvk6yc0JrX9XqhQ0hdh6M2svYfsHGejaKFIAGd9MQ+ERIMzLGlN/kZoYIgdxFV0PuljTKXag==",
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-6.4.1.tgz",
+      "integrity": "sha512-3F5PtBzUW0dYlq77Lcqo13fv+58KDwUib3BddilE8ajPJT+faGgxmI9Sw+I8ZS22BYwoir9ZhNXcLi+S+I2bkw==",
       "dev": true,
       "dependencies": {
-        "@eslint-community/regexpp": "^4.4.0",
-        "@typescript-eslint/scope-manager": "5.62.0",
-        "@typescript-eslint/type-utils": "5.62.0",
-        "@typescript-eslint/utils": "5.62.0",
+        "@eslint-community/regexpp": "^4.5.1",
+        "@typescript-eslint/scope-manager": "6.4.1",
+        "@typescript-eslint/type-utils": "6.4.1",
+        "@typescript-eslint/utils": "6.4.1",
+        "@typescript-eslint/visitor-keys": "6.4.1",
         "debug": "^4.3.4",
         "graphemer": "^1.4.0",
-        "ignore": "^5.2.0",
-        "natural-compare-lite": "^1.4.0",
-        "semver": "^7.3.7",
-        "tsutils": "^3.21.0"
+        "ignore": "^5.2.4",
+        "natural-compare": "^1.4.0",
+        "semver": "^7.5.4",
+        "ts-api-utils": "^1.0.1"
       },
       "engines": {
-        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+        "node": "^16.0.0 || >=18.0.0"
       },
       "funding": {
         "type": "opencollective",
         "url": "https://opencollective.com/typescript-eslint"
       },
       "peerDependencies": {
-        "@typescript-eslint/parser": "^5.0.0",
-        "eslint": "^6.0.0 || ^7.0.0 || ^8.0.0"
+        "@typescript-eslint/parser": "^6.0.0 || ^6.0.0-alpha",
+        "eslint": "^7.0.0 || ^8.0.0"
       },
       "peerDependenciesMeta": {
         "typescript": {
@@ -3036,25 +3037,26 @@
       "dev": true
     },
     "node_modules/@typescript-eslint/parser": {
-      "version": "5.62.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-5.62.0.tgz",
-      "integrity": "sha512-VlJEV0fOQ7BExOsHYAGrgbEiZoi8D+Bl2+f6V2RrXerRSylnp+ZBHmPvaIa8cz0Ajx7WO7Z5RqfgYg7ED1nRhA==",
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-6.4.1.tgz",
+      "integrity": "sha512-610G6KHymg9V7EqOaNBMtD1GgpAmGROsmfHJPXNLCU9bfIuLrkdOygltK784F6Crboyd5tBFayPB7Sf0McrQwg==",
       "dev": true,
       "dependencies": {
-        "@typescript-eslint/scope-manager": "5.62.0",
-        "@typescript-eslint/types": "5.62.0",
-        "@typescript-eslint/typescript-estree": "5.62.0",
+        "@typescript-eslint/scope-manager": "6.4.1",
+        "@typescript-eslint/types": "6.4.1",
+        "@typescript-eslint/typescript-estree": "6.4.1",
+        "@typescript-eslint/visitor-keys": "6.4.1",
         "debug": "^4.3.4"
       },
       "engines": {
-        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+        "node": "^16.0.0 || >=18.0.0"
       },
       "funding": {
         "type": "opencollective",
         "url": "https://opencollective.com/typescript-eslint"
       },
       "peerDependencies": {
-        "eslint": "^6.0.0 || ^7.0.0 || ^8.0.0"
+        "eslint": "^7.0.0 || ^8.0.0"
       },
       "peerDependenciesMeta": {
         "typescript": {
@@ -3063,16 +3065,16 @@
       }
     },
     "node_modules/@typescript-eslint/scope-manager": {
-      "version": "5.62.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-5.62.0.tgz",
-      "integrity": "sha512-VXuvVvZeQCQb5Zgf4HAxc04q5j+WrNAtNh9OwCsCgpKqESMTu3tF/jhZ3xG6T4NZwWl65Bg8KuS2uEvhSfLl0w==",
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-6.4.1.tgz",
+      "integrity": "sha512-p/OavqOQfm4/Hdrr7kvacOSFjwQ2rrDVJRPxt/o0TOWdFnjJptnjnZ+sYDR7fi4OimvIuKp+2LCkc+rt9fIW+A==",
       "dev": true,
       "dependencies": {
-        "@typescript-eslint/types": "5.62.0",
-        "@typescript-eslint/visitor-keys": "5.62.0"
+        "@typescript-eslint/types": "6.4.1",
+        "@typescript-eslint/visitor-keys": "6.4.1"
       },
       "engines": {
-        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+        "node": "^16.0.0 || >=18.0.0"
       },
       "funding": {
         "type": "opencollective",
@@ -3080,25 +3082,25 @@
       }
     },
     "node_modules/@typescript-eslint/type-utils": {
-      "version": "5.62.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-5.62.0.tgz",
-      "integrity": "sha512-xsSQreu+VnfbqQpW5vnCJdq1Z3Q0U31qiWmRhr98ONQmcp/yhiPJFPq8MXiJVLiksmOKSjIldZzkebzHuCGzew==",
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-6.4.1.tgz",
+      "integrity": "sha512-7ON8M8NXh73SGZ5XvIqWHjgX2f+vvaOarNliGhjrJnv1vdjG0LVIz+ToYfPirOoBi56jxAKLfsLm40+RvxVVXA==",
       "dev": true,
       "dependencies": {
-        "@typescript-eslint/typescript-estree": "5.62.0",
-        "@typescript-eslint/utils": "5.62.0",
+        "@typescript-eslint/typescript-estree": "6.4.1",
+        "@typescript-eslint/utils": "6.4.1",
         "debug": "^4.3.4",
-        "tsutils": "^3.21.0"
+        "ts-api-utils": "^1.0.1"
       },
       "engines": {
-        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+        "node": "^16.0.0 || >=18.0.0"
       },
       "funding": {
         "type": "opencollective",
         "url": "https://opencollective.com/typescript-eslint"
       },
       "peerDependencies": {
-        "eslint": "*"
+        "eslint": "^7.0.0 || ^8.0.0"
       },
       "peerDependenciesMeta": {
         "typescript": {
@@ -3107,12 +3109,12 @@
       }
     },
     "node_modules/@typescript-eslint/types": {
-      "version": "5.62.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-5.62.0.tgz",
-      "integrity": "sha512-87NVngcbVXUahrRTqIK27gD2t5Cu1yuCXxbLcFtCzZGlfyVWWh8mLHkoxzjsB6DDNnvdL+fW8MiwPEJyGJQDgQ==",
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-6.4.1.tgz",
+      "integrity": "sha512-zAAopbNuYu++ijY1GV2ylCsQsi3B8QvfPHVqhGdDcbx/NK5lkqMnCGU53amAjccSpk+LfeONxwzUhDzArSfZJg==",
       "dev": true,
       "engines": {
-        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+        "node": "^16.0.0 || >=18.0.0"
       },
       "funding": {
         "type": "opencollective",
@@ -3120,21 +3122,21 @@
       }
     },
     "node_modules/@typescript-eslint/typescript-estree": {
-      "version": "5.62.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-5.62.0.tgz",
-      "integrity": "sha512-CmcQ6uY7b9y694lKdRB8FEel7JbU/40iSAPomu++SjLMntB+2Leay2LO6i8VnJk58MtE9/nQSFIH6jpyRWyYzA==",
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-6.4.1.tgz",
+      "integrity": "sha512-xF6Y7SatVE/OyV93h1xGgfOkHr2iXuo8ip0gbfzaKeGGuKiAnzS+HtVhSPx8Www243bwlW8IF7X0/B62SzFftg==",
       "dev": true,
       "dependencies": {
-        "@typescript-eslint/types": "5.62.0",
-        "@typescript-eslint/visitor-keys": "5.62.0",
+        "@typescript-eslint/types": "6.4.1",
+        "@typescript-eslint/visitor-keys": "6.4.1",
         "debug": "^4.3.4",
         "globby": "^11.1.0",
         "is-glob": "^4.0.3",
-        "semver": "^7.3.7",
-        "tsutils": "^3.21.0"
+        "semver": "^7.5.4",
+        "ts-api-utils": "^1.0.1"
       },
       "engines": {
-        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+        "node": "^16.0.0 || >=18.0.0"
       },
       "funding": {
         "type": "opencollective",
@@ -3180,29 +3182,28 @@
       "dev": true
     },
     "node_modules/@typescript-eslint/utils": {
-      "version": "5.62.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-5.62.0.tgz",
-      "integrity": "sha512-n8oxjeb5aIbPFEtmQxQYOLI0i9n5ySBEY/ZEHHZqKQSFnxio1rv6dthascc9dLuwrL0RC5mPCxB7vnAVGAYWAQ==",
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-6.4.1.tgz",
+      "integrity": "sha512-F/6r2RieNeorU0zhqZNv89s9bDZSovv3bZQpUNOmmQK1L80/cV4KEu95YUJWi75u5PhboFoKUJBnZ4FQcoqhDw==",
       "dev": true,
       "dependencies": {
-        "@eslint-community/eslint-utils": "^4.2.0",
-        "@types/json-schema": "^7.0.9",
-        "@types/semver": "^7.3.12",
-        "@typescript-eslint/scope-manager": "5.62.0",
-        "@typescript-eslint/types": "5.62.0",
-        "@typescript-eslint/typescript-estree": "5.62.0",
-        "eslint-scope": "^5.1.1",
-        "semver": "^7.3.7"
+        "@eslint-community/eslint-utils": "^4.4.0",
+        "@types/json-schema": "^7.0.12",
+        "@types/semver": "^7.5.0",
+        "@typescript-eslint/scope-manager": "6.4.1",
+        "@typescript-eslint/types": "6.4.1",
+        "@typescript-eslint/typescript-estree": "6.4.1",
+        "semver": "^7.5.4"
       },
       "engines": {
-        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+        "node": "^16.0.0 || >=18.0.0"
       },
       "funding": {
         "type": "opencollective",
         "url": "https://opencollective.com/typescript-eslint"
       },
       "peerDependencies": {
-        "eslint": "^6.0.0 || ^7.0.0 || ^8.0.0"
+        "eslint": "^7.0.0 || ^8.0.0"
       }
     },
     "node_modules/@typescript-eslint/utils/node_modules/lru-cache": {
@@ -3239,16 +3240,16 @@
       "dev": true
     },
     "node_modules/@typescript-eslint/visitor-keys": {
-      "version": "5.62.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-5.62.0.tgz",
-      "integrity": "sha512-07ny+LHRzQXepkGg6w0mFY41fVUNBrL2Roj/++7V1txKugfjm/Ci/qSND03r2RhlJhJYMcTn9AhhSSqQp0Ysyw==",
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-6.4.1.tgz",
+      "integrity": "sha512-y/TyRJsbZPkJIZQXrHfdnxVnxyKegnpEvnRGNam7s3TRR2ykGefEWOhaef00/UUN3IZxizS7BTO3svd3lCOJRQ==",
       "dev": true,
       "dependencies": {
-        "@typescript-eslint/types": "5.62.0",
-        "eslint-visitor-keys": "^3.3.0"
+        "@typescript-eslint/types": "6.4.1",
+        "eslint-visitor-keys": "^3.4.1"
       },
       "engines": {
-        "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+        "node": "^16.0.0 || >=18.0.0"
       },
       "funding": {
         "type": "opencollective",
@@ -4012,9 +4013,9 @@
       }
     },
     "node_modules/eslint-config-prettier": {
-      "version": "8.10.0",
-      "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-8.10.0.tgz",
-      "integrity": "sha512-SM8AMJdeQqRYT9O9zguiruQZaN7+z+E4eAP9oiLNGKMtomwaB1E9dcgUD6ZAn/eQAb52USbvezbiljfZUhbJcg==",
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-9.0.0.tgz",
+      "integrity": "sha512-IcJsTkJae2S35pRsRAwoCE+925rJJStOdkKnLVgtE+tEpqU0EVVM7OqrwxqgptKdX29NUwC82I5pXsGFIgSevw==",
       "dev": true,
       "bin": {
         "eslint-config-prettier": "bin/cli.js"
@@ -4023,19 +4024,6 @@
         "eslint": ">=7.0.0"
       }
     },
-    "node_modules/eslint-scope": {
-      "version": "5.1.1",
-      "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-5.1.1.tgz",
-      "integrity": "sha512-2NxwbF/hZ0KpepYN0cNbo+FN6XoK7GaHlQhgx/hIZl6Va0bF45RQOOwhLIy8lQDbuCiadSLCBnH2CFYquit5bw==",
-      "dev": true,
-      "dependencies": {
-        "esrecurse": "^4.3.0",
-        "estraverse": "^4.1.1"
-      },
-      "engines": {
-        "node": ">=8.0.0"
-      }
-    },
     "node_modules/eslint-visitor-keys": {
       "version": "3.4.3",
       "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-3.4.3.tgz",
@@ -4318,15 +4306,6 @@
         "node": ">=4.0"
       }
     },
-    "node_modules/estraverse": {
-      "version": "4.3.0",
-      "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-4.3.0.tgz",
-      "integrity": "sha512-39nnKffWz8xN1BU/2c79n9nB9HDzo0niYUqx6xyqUnyoAnQyyWpOTdZEeiCch8BBu515t4wp9ZmgVfVhn9EBpw==",
-      "dev": true,
-      "engines": {
-        "node": ">=4.0"
-      }
-    },
     "node_modules/estree-walker": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-2.0.2.tgz",
@@ -6838,12 +6817,6 @@
       "integrity": "sha512-OWND8ei3VtNC9h7V60qff3SVobHr996CTwgxubgyQYEpg290h9J0buyECNNJexkFm5sOajh5G116RYA1c8ZMSw==",
       "dev": true
     },
-    "node_modules/natural-compare-lite": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/natural-compare-lite/-/natural-compare-lite-1.4.0.tgz",
-      "integrity": "sha512-Tj+HTDSJJKaZnfiuw+iaF9skdPpTo2GtEly5JHnWV/hfv2Qj/9RKsGISQtLh2ox3l5EAGw487hnBee0sIJ6v2g==",
-      "dev": true
-    },
     "node_modules/node-int64": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/node-int64/-/node-int64-0.4.0.tgz",
@@ -7090,15 +7063,15 @@
       }
     },
     "node_modules/prettier": {
-      "version": "2.8.8",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.8.8.tgz",
-      "integrity": "sha512-tdN8qQGvNjw4CHbY+XXk0JgCXn9QiF21a55rBe5LJAU+kDyC4WQn4+awm2Xfk2lQMk5fKup9XgzTZtGkjBdP9Q==",
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.0.2.tgz",
+      "integrity": "sha512-o2YR9qtniXvwEZlOKbveKfDQVyqxbEIWn48Z8m3ZJjBjcCmUy3xZGIv+7AkaeuaTr6yPXJjwv07ZWlsWbEy1rQ==",
       "dev": true,
       "bin": {
-        "prettier": "bin-prettier.js"
+        "prettier": "bin/prettier.cjs"
       },
       "engines": {
-        "node": ">=10.13.0"
+        "node": ">=14"
       },
       "funding": {
         "url": "https://github.com/prettier/prettier?sponsor=1"
@@ -7622,31 +7595,22 @@
         "node": ">=8.0"
       }
     },
-    "node_modules/tslib": {
-      "version": "2.6.2",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz",
-      "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q==",
-      "dev": true
-    },
-    "node_modules/tsutils": {
-      "version": "3.21.0",
-      "resolved": "https://registry.npmjs.org/tsutils/-/tsutils-3.21.0.tgz",
-      "integrity": "sha512-mHKK3iUXL+3UF6xL5k0PEhKRUBKPBCv/+RkEOpjRWxxx27KKRBmmA60A9pgOUvMi8GKhRMPEmjBRPzs2W7O1OA==",
+    "node_modules/ts-api-utils": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/ts-api-utils/-/ts-api-utils-1.0.2.tgz",
+      "integrity": "sha512-Cbu4nIqnEdd+THNEsBdkolnOXhg0I8XteoHaEKgvsxpsbWda4IsUut2c187HxywQCvveojow0Dgw/amxtSKVkQ==",
       "dev": true,
-      "dependencies": {
-        "tslib": "^1.8.1"
-      },
       "engines": {
-        "node": ">= 6"
+        "node": ">=16.13.0"
       },
       "peerDependencies": {
-        "typescript": ">=2.8.0 || >= 3.2.0-dev || >= 3.3.0-dev || >= 3.4.0-dev || >= 3.5.0-dev || >= 3.6.0-dev || >= 3.6.0-beta || >= 3.7.0-dev || >= 3.7.0-beta"
+        "typescript": ">=4.2.0"
       }
     },
-    "node_modules/tsutils/node_modules/tslib": {
-      "version": "1.14.1",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.14.1.tgz",
-      "integrity": "sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==",
+    "node_modules/tslib": {
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz",
+      "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q==",
       "dev": true
     },
     "node_modules/type-check": {
diff --git a/package.json b/package.json
index 554e5d21..91414f1f 100644
--- a/package.json
+++ b/package.json
@@ -75,16 +75,16 @@
     "@rollup/plugin-typescript": "^11.0.0",
     "@types/jest": "^29.2.4",
     "@types/node": "^14.18.35",
-    "@typescript-eslint/eslint-plugin": "^5.3.1",
-    "@typescript-eslint/parser": "^5.3.1",
+    "@typescript-eslint/eslint-plugin": "^6.4.1",
+    "@typescript-eslint/parser": "^6.4.1",
     "babel-jest": "^29.0.1",
     "cross-env": "^7.0.3",
     "eslint": "^8.2.0",
-    "eslint-config-prettier": "^8.1.0",
+    "eslint-config-prettier": "^9.0.0",
     "fast-check": "^2.12.0",
     "jest": "^29.0.1",
     "jest-ts-webcompat-resolver": "^1.0.0",
-    "prettier": "^2.2.1",
+    "prettier": "^3.0.2",
     "rollup": "^3.7.5",
     "tslib": "^2.1.0",
     "typescript": "^5.0.3"
diff --git a/src/log.ts b/src/log.ts
index 86fbabbf..dc37df44 100644
--- a/src/log.ts
+++ b/src/log.ts
@@ -6,6 +6,8 @@ export function debug(logLevel: LogLevelId, ...messages: any[]) {
 
 export function warn(logLevel: LogLevelId, warning: string | Error) {
   if (logLevel === 'debug' || logLevel === 'warn') {
+    // https://github.com/typescript-eslint/typescript-eslint/issues/7478
+    // eslint-disable-next-line @typescript-eslint/prefer-optional-chain
     if (typeof process !== 'undefined' && process.emitWarning)
       process.emitWarning(warning)
     else console.warn(warning)
diff --git a/src/nodes/addPairToJSMap.ts b/src/nodes/addPairToJSMap.ts
index e390ebb0..f6e8c133 100644
--- a/src/nodes/addPairToJSMap.ts
+++ b/src/nodes/addPairToJSMap.ts
@@ -87,7 +87,7 @@ function stringifyKey(
 ) {
   if (jsKey === null) return ''
   if (typeof jsKey !== 'object') return String(jsKey)
-  if (isNode(key) && ctx && ctx.doc) {
+  if (isNode(key) && ctx?.doc) {
     const strCtx = createStringifyContext(ctx.doc, {})
     strCtx.anchors = new Set()
     for (const node of ctx.anchors.keys())
diff --git a/src/schema/yaml-1.1/pairs.ts b/src/schema/yaml-1.1/pairs.ts
index c5dee951..248a847a 100644
--- a/src/schema/yaml-1.1/pairs.ts
+++ b/src/schema/yaml-1.1/pairs.ts
@@ -65,7 +65,11 @@ export function createPairs(
         if (keys.length === 1) {
           key = keys[0]
           value = (it as any)[key as string]
-        } else throw new TypeError(`Expected { key: value } tuple: ${it}`)
+        } else {
+          throw new TypeError(
+            `Expected tuple with one key, not ${keys.length} keys`
+          )
+        }
       } else {
         key = it
       }
diff --git a/src/stringify/stringifyCollection.ts b/src/stringify/stringifyCollection.ts
index 5d7f9088..a572718d 100644
--- a/src/stringify/stringifyCollection.ts
+++ b/src/stringify/stringifyCollection.ts
@@ -126,7 +126,7 @@ function stringifyFlowCollection(
       if (iv) {
         if (iv.comment) comment = iv.comment
         if (iv.commentBefore) reqNewline = true
-      } else if (item.value == null && ik && ik.comment) {
+      } else if (item.value == null && ik?.comment) {
         comment = ik.comment
       }
     }