style(gjs): binding runtime private properties

so people don't try to access the emitter

1 files changed, 21 insertions, 20 deletions

diff --git a/core/gjs/src/binding.ts b/core/gjs/src/binding.ts
index feec6fc..95d905f 100644
--- a/core/gjs/src/binding.ts
+++ b/core/gjs/src/binding.ts
@@ -21,10 +21,11 @@ export interface Connectable {
 }
 
 export default class Binding<Value> {
-    private emitter: Subscribable<Value> | Connectable
-    private prop?: string
     private transformFn = (v: any) => v
 
+    #emitter: Subscribable<Value> | Connectable
+    #prop?: string
+
     static bind<
         T extends Connectable,
         P extends keyof T,
@@ -37,51 +38,51 @@ export default class Binding<Value> {
     }
 
     private constructor(emitter: Connectable | Subscribable<Value>, prop?: string) {
-        this.emitter = emitter
-        this.prop = prop && kebabify(prop)
+        this.#emitter = emitter
+        this.#prop = prop && kebabify(prop)
     }
 
     toString() {
-        return `Binding<${this.emitter}${this.prop ? `, "${this.prop}"` : ""}>`
+        return `Binding<${this.#emitter}${this.#prop ? `, "${this.#prop}"` : ""}>`
     }
 
     as<T>(fn: (v: Value) => T): Binding<T> {
-        const bind = new Binding(this.emitter, this.prop)
+        const bind = new Binding(this.#emitter, this.#prop)
         bind.transformFn = (v: Value) => fn(this.transformFn(v))
         return bind as unknown as Binding<T>
     }
 
     get(): Value {
-        if (typeof this.emitter.get === "function")
-            return this.transformFn(this.emitter.get())
+        if (typeof this.#emitter.get === "function")
+            return this.transformFn(this.#emitter.get())
 
-        if (typeof this.prop === "string") {
-            const getter = `get_${snakeify(this.prop)}`
-            if (typeof this.emitter[getter] === "function")
-                return this.transformFn(this.emitter[getter]())
+        if (typeof this.#prop === "string") {
+            const getter = `get_${snakeify(this.#prop)}`
+            if (typeof this.#emitter[getter] === "function")
+                return this.transformFn(this.#emitter[getter]())
 
-            return this.transformFn(this.emitter[this.prop])
+            return this.transformFn(this.#emitter[this.#prop])
         }
 
         throw Error("can not get value of binding")
     }
 
     subscribe(callback: (value: Value) => void): () => void {
-        if (typeof this.emitter.subscribe === "function") {
-            return this.emitter.subscribe(() => {
+        if (typeof this.#emitter.subscribe === "function") {
+            return this.#emitter.subscribe(() => {
                 callback(this.get())
             })
         }
-        else if (typeof this.emitter.connect === "function") {
-            const signal = `notify::${this.prop}`
-            const id = this.emitter.connect(signal, () => {
+        else if (typeof this.#emitter.connect === "function") {
+            const signal = `notify::${this.#prop}`
+            const id = this.#emitter.connect(signal, () => {
                 callback(this.get())
             })
             return () => {
-                (this.emitter.disconnect as Connectable["disconnect"])(id)
+                (this.#emitter.disconnect as Connectable["disconnect"])(id)
             }
         }
-        throw Error(`${this.emitter} is not bindable`)
+        throw Error(`${this.#emitter} is not bindable`)
     }
 }