@helios-lang/type-utils - npm Package Compare versions

Comparing version 0.1.14 to 0.1.15

package.json

 {
     "name": "@helios-lang/type-utils",
-    "version": "0.1.14",
+    "version": "0.1.15",
     "description": "Global utility types",
@@ -5,0 +5,0 @@ "main": "src/index.js",

src/index.d.ts

@@ -48,1 +48,7 @@ declare global {
 }
+
+export function isJsonSafe(input: unknown): input is JsonSafe
+export function expectJsonSafe(
+    input: unknown,
+    msg?: string | undefined
+): asserts input is JsonSafe

src/index.js

@@ -1,4 +0,4 @@
-export { JSONSafe as JSON } from "./json.js"
+export { JSONSafe as JSON, isJsonSafe, expectJsonSafe } from "./json.js"
 export * from "./either.js"
 export { expectEnum } from "./enum.js"
 export * from "./option.js"

src/json.js

@@ -5,1 +5,36 @@ export const JSONSafe = {
 }
+
+/**
+ * @param {unknown} input
+ * @returns {input is JsonSafe}
+ */
+export function isJsonSafe(input) {
+    if (typeof input == "number") {
+        return true
+    } else if (typeof input == "string") {
+        return true
+    } else if (typeof input == "boolean") {
+        return true
+    } else if (input === null) {
+        return true
+    } else if (Array.isArray(input)) {
+        return input.every(isJsonSafe)
+    } else if (typeof input == "object") {
+        return Object.keys(input).every((key) => isJsonSafe(input[key]))
+    } else {
+        return false
+    }
+}
+
+/**
+ * @param {unknown} input
+ * @param {string | undefined} msg
+ * @returns {asserts input is JsonSafe}
+ */
+export function expectJsonSafe(input, msg = undefined) {
+    if (isJsonSafe(input)) {
+        return
+    } else {
+        throw new TypeError(msg ?? "invalid JsonSafe value")
+    }
+}

No alert changes

Improved metrics

Total package byte prevSize

8824

increased by13.78%

Lines of code

241

increased by18.72%

No dependency changes