init

2025-05-19 20:36:21 -05:00
commit f5303487be
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+import { defineProperties } from "../../utils/properties.js";
+import { Typed } from "../typed.js";
+import { Coder } from "./abstract-coder.js";
+import { pack, unpack } from "./array.js";
+/**
+ *  @_ignore
+ */
+export class TupleCoder extends Coder {
+    coders;
+    constructor(coders, localName) {
+        let dynamic = false;
+        const types = [];
+        coders.forEach((coder) => {
+            if (coder.dynamic) {
+                dynamic = true;
+            }
+            types.push(coder.type);
+        });
+        const type = ("tuple(" + types.join(",") + ")");
+        super("tuple", type, localName, dynamic);
+        defineProperties(this, { coders: Object.freeze(coders.slice()) });
+    }
+    defaultValue() {
+        const values = [];
+        this.coders.forEach((coder) => {
+            values.push(coder.defaultValue());
+        });
+        // We only output named properties for uniquely named coders
+        const uniqueNames = this.coders.reduce((accum, coder) => {
+            const name = coder.localName;
+            if (name) {
+                if (!accum[name]) {
+                    accum[name] = 0;
+                }
+                accum[name]++;
+            }
+            return accum;
+        }, {});
+        // Add named values
+        this.coders.forEach((coder, index) => {
+            let name = coder.localName;
+            if (!name || uniqueNames[name] !== 1) {
+                return;
+            }
+            if (name === "length") {
+                name = "_length";
+            }
+            if (values[name] != null) {
+                return;
+            }
+            values[name] = values[index];
+        });
+        return Object.freeze(values);
+    }
+    encode(writer, _value) {
+        const value = Typed.dereference(_value, "tuple");
+        return pack(writer, this.coders, value);
+    }
+    decode(reader) {
+        return unpack(reader, this.coders);
+    }
+}
+//# sourceMappingURL=tuple.js.map