diff --git a/implementations/javascript/src/text.ts b/implementations/javascript/src/text.ts
index 199b781..12379a6 100644
--- a/implementations/javascript/src/text.ts
+++ b/implementations/javascript/src/text.ts
@@ -20,3 +20,31 @@ export function preserves(pieces: TemplateStringsArray, ...values: Value<any>[])
     });
     return result.join('');
 }
+
+
+declare global {
+    interface Object { asPreservesText(): string; }
+}
+
+Object.defineProperty(Object.prototype, 'asPreservesText', {
+    enumerable: false,
+    writable: true,
+    value: function(): string { return '#!' + stringify(this); }
+});
+
+Boolean.prototype.asPreservesText = function (): string {
+    return this ? '#t' : '#f';
+};
+
+Number.prototype.asPreservesText = function (): string {
+    return '' + this;
+};
+
+String.prototype.asPreservesText = function (): string {
+    return JSON.stringify(this);
+};
+
+Symbol.prototype.asPreservesText = function (): string {
+    // TODO: escaping
+    return this.description ?? '||';
+};
diff --git a/implementations/javascript/src/values.ts b/implementations/javascript/src/values.ts
index 6efabbc..a3ee556 100644
--- a/implementations/javascript/src/values.ts
+++ b/implementations/javascript/src/values.ts
@@ -30,30 +30,3 @@ export type Compound<T extends object = DefaultPointer> =
     | Array<Value<T>>
     | Set<T>
     | Dictionary<Value<T>, T>;
-
-declare global {
-    interface Object { asPreservesText(): string; }
-}
-
-Object.defineProperty(Object.prototype, 'asPreservesText', {
-    enumerable: false,
-    writable: true,
-    value: function(): string { return '#!' + JSON.stringify(this); }
-});
-
-Boolean.prototype.asPreservesText = function (): string {
-    return this ? '#t' : '#f';
-};
-
-Number.prototype.asPreservesText = function (): string {
-    return '' + this;
-};
-
-String.prototype.asPreservesText = function (): string {
-    return JSON.stringify(this);
-};
-
-Symbol.prototype.asPreservesText = function (): string {
-    // TODO: escaping
-    return this.description ?? '||';
-};