chore: Satisfy updated Typescript (4.8.2) & Prettier

eemeli · eemeli · commit 26526d784dc8 · 2022-08-27T10:16:00.000+03:00
diff --git a/src/doc/createNode.ts b/src/doc/createNode.ts
@@ -48,7 +48,7 @@ export function createNode(
     value instanceof String ||
     value instanceof Number ||
     value instanceof Boolean ||
-    (typeof BigInt === 'function' && value instanceof BigInt) // not supported everywhere
+    (typeof BigInt !== 'undefined' && value instanceof BigInt) // not supported everywhere
   ) {
     // https://tc39.es/ecma262/#sec-serializejsonproperty
     value = value.valueOf()
diff --git a/src/nodes/YAMLMap.ts b/src/nodes/YAMLMap.ts
@@ -9,6 +9,11 @@ import { Pair } from './Pair.js'
 import { isScalarValue, Scalar } from './Scalar.js'
 import type { ToJSContext } from './toJS.js'
 
+export type MapLike =
+  | Map<unknown, unknown>
+  | Set<unknown>
+  | Record<string | number | symbol, unknown>
+
 export function findPair<K = unknown, V = unknown>(
   items: Iterable<Pair<K, V>>,
   key: unknown
@@ -105,7 +110,7 @@ export class YAMLMap<K = unknown, V = unknown> extends Collection {
    * @param {Class} Type - If set, forces the returned collection type
    * @returns Instance of Type, Map, or Object
    */
-  toJSON<T = unknown>(
+  toJSON<T extends MapLike = Map<unknown, unknown>>(
     _?: unknown,
     ctx?: ToJSContext,
     Type?: { new (): T }
diff --git a/src/nodes/YAMLSeq.ts b/src/nodes/YAMLSeq.ts
@@ -58,14 +58,8 @@ export class YAMLSeq<T = unknown> extends Collection {
    */
   get(key: unknown, keepScalar: true): Scalar<T> | undefined
   get(key: unknown, keepScalar?: false): T | undefined
-  get(
-    key: unknown,
-    keepScalar?: boolean
-  ): T | Scalar<T> | undefined
-  get(
-    key: unknown,
-    keepScalar?: boolean
-  ): T | Scalar<T> | undefined {
+  get(key: unknown, keepScalar?: boolean): T | Scalar<T> | undefined
+  get(key: unknown, keepScalar?: boolean): T | Scalar<T> | undefined {
     const idx = asItemIndex(key)
     if (typeof idx !== 'number') return undefined
     const it = this.items[idx]
diff --git a/src/nodes/addPairToJSMap.ts b/src/nodes/addPairToJSMap.ts
@@ -4,15 +4,13 @@ import { isAlias, isMap, isNode, isScalar, isSeq } from './Node.js'
 import type { Pair } from './Pair.js'
 import { Scalar } from './Scalar.js'
 import { toJS, ToJSContext } from './toJS.js'
+import type { MapLike } from './YAMLMap.js'
 
 const MERGE_KEY = '<<'
 
 export function addPairToJSMap(
   ctx: ToJSContext | undefined,
-  map:
-    | Map<unknown, unknown>
-    | Set<unknown>
-    | Record<string | number | symbol, unknown>,
+  map: MapLike,
   { key, value }: Pair
 ) {
   if (ctx?.doc.schema.merge && isMergeKey(key)) {
@@ -58,10 +56,7 @@ const isMergeKey = (key: unknown) =>
 // later mapping nodes. -- http://yaml.org/type/merge.html
 function mergeToJSMap(
   ctx: ToJSContext | undefined,
-  map:
-    | Map<unknown, unknown>
-    | Set<unknown>
-    | Record<string | number | symbol, unknown>,
+  map: MapLike,
   value: unknown
 ) {
   const source = ctx && isAlias(value) ? value.resolve(ctx.doc) : value
diff --git a/src/schema/yaml-1.1/set.ts b/src/schema/yaml-1.1/set.ts
@@ -24,6 +24,7 @@ export class YAMLSet<T = unknown> extends YAMLMap<T, Scalar<null> | null> {
     let pair: Pair<T, Scalar<null> | null>
     if (isPair(key)) pair = key
     else if (
+      key &&
       typeof key === 'object' &&
       'key' in key &&
       'value' in key &&
