Update tsconfig.json

index.js

@@ -1,10 +1,10 @@
 /**
- * @typedef {import('unist').Point} Point
  * @typedef {import('vfile').VFile} VFile
  *
- * @typedef {Pick<Point, 'line'|'column'>} PositionalPoint
- * @typedef {Required<Point>} FullPoint
- * @typedef {NonNullable<Point['offset']>} Offset
+ * @typedef Point
+ * @property {number | undefined} line
+ * @property {number | undefined} column
+ * @property {number | undefined} [offset]
  */
 
 /**
@@ -31,8 +31,8 @@ export function location(file) {
    * Returns a point with `undefined` values when given invalid or out of bounds
    * input.
    *
-   * @param {Offset} offset
-   * @returns {FullPoint}
+   * @param {number} offset
+   * @returns {Point}
    */
   function toPoint(offset) {
     let index = -1
@@ -56,14 +56,12 @@ export function location(file) {
    * Get the `offset` for a line and column-based `point` in the bound indices.
    * Returns `-1` when given invalid or out of bounds input.
    *
-   * @param {PositionalPoint} point
-   * @returns {Offset}
+   * @param {Point} point
+   * @returns {number}
    */
   function toOffset(point) {
     const line = point && point.line
     const column = point && point.column
-    /** @type {number} */
-    let offset
 
     if (
       typeof line === 'number' &&
@@ -72,9 +70,13 @@ export function location(file) {
       !Number.isNaN(column) &&
       line - 1 in indices
     ) {
-      offset = (indices[line - 2] || 0) + column - 1 || 0
+      const offset = (indices[line - 2] || 0) + column - 1 || 0
+
+      if (offset > -1 && offset < indices[indices.length - 1]) {
+        return offset
+      }
     }
 
-    return offset > -1 && offset < indices[indices.length - 1] ? offset : -1
+    return -1
   }
 }

package.json

@@ -44,18 +44,17 @@
     "prettier": "^2.0.0",
     "remark-cli": "^11.0.0",
     "remark-preset-wooorm": "^9.0.0",
-    "rimraf": "^3.0.0",
     "tape": "^5.0.0",
     "type-coverage": "^2.0.0",
     "typescript": "^4.0.0",
     "xo": "^0.53.0"
   },
   "scripts": {
     "prepack": "npm run build && npm run format",
-    "build": "rimraf \"*.d.ts\" && tsc && type-coverage",
+    "build": "tsc --build --clean && tsc --build && type-coverage",
     "format": "remark . -qfo && prettier . -w --loglevel warn && xo --fix",
-    "test-api": "node test.js",
-    "test-coverage": "c8 --check-coverage --branches 100 --functions 100 --lines 100 --statements 100 --reporter lcov node test.js",
+    "test-api": "node --conditions development test.js",
+    "test-coverage": "c8 --check-coverage --100 --reporter lcov npm run test-api",
     "test": "npm run build && npm run format && npm run test-coverage"
   },
   "prettier": {

tsconfig.json

@@ -1,15 +1,17 @@
 {
-  "include": ["*.js"],
+  "include": ["**/*.js"],
+  "exclude": ["coverage/", "node_modules/"],
   "compilerOptions": {
-    "target": "ES2020",
-    "lib": ["ES2020"],
-    "module": "ES2020",
-    "moduleResolution": "node",
-    "allowJs": true,
     "checkJs": true,
     "declaration": true,
     "emitDeclarationOnly": true,
-    "allowSyntheticDefaultImports": true,
-    "skipLibCheck": true
+    "exactOptionalPropertyTypes": true,
+    "forceConsistentCasingInFileNames": true,
+    "lib": ["es2020"],
+    "module": "node16",
+    "newLine": "lf",
+    "skipLibCheck": true,
+    "strict": true,
+    "target": "es2020"
   }
 }