Add struct helper and TypeScript configuration for value construction

Author: Knerio

build/ts/helpers/shared.struct_helper.ts

@@ -0,0 +1,40 @@
+import {Value} from "../pb/shared.struct_pb.js";
+
+type AllowedValue = null | number | string | boolean | Array<AllowedValue> | object;
+
+export function constructValue(value: AllowedValue): Value {
+    if (value === null) {
+        return {kind: {oneofKind: "nullValue", nullValue: 0}};
+    }
+    if (typeof value === "number") {
+        return {kind: {oneofKind: "numberValue", numberValue: value}};
+    }
+    if (typeof value === "string") {
+        return {kind: {oneofKind: "stringValue", stringValue: value}};
+    }
+    if (typeof value === "boolean") {
+        return {kind: {oneofKind: "boolValue", boolValue: value}};
+    }
+    if (Array.isArray(value)) {
+        const listValues = value.map(v => constructValue(v));
+        return {
+            kind: {
+                oneofKind: "listValue",
+                listValue: {values: listValues}
+            }
+        };
+    }
+    if (typeof value === "object") {
+        const structFields: {[key: string]: Value} = {};
+        for (const [k, v] of Object.entries(value)) {
+            structFields[k] = constructValue(v);
+        }
+        return {
+            kind: {
+                oneofKind: "structValue",
+                structValue: {fields: structFields}
+            }
+        };
+    }
+    throw new Error(`Unsupported value type: ${typeof value}`);
+}

build/ts/package.json

@@ -25,6 +25,8 @@
     "protoc": "^33.0.0"
   },
   "files": [
+    "helpers/*.ts",
+    "helpers/*.js",
     "pb/*.ts",
     "pb/*.js",
     "index.js",

build/ts/tsconfig.json

@@ -0,0 +1,8 @@
+{
+  "compilerOptions": {
+    "target": "ES2017",
+    "lib": ["ES2017", "DOM"],
+    "module": "commonjs",
+    "strict": true
+  }
+}