Revert "feat: allow $inspect reactivity map, set, date (#11164)" (#11223)

This reverts commit 43d13e9.

Author: Rich-Harris

.changeset/tiny-poems-doubt.md

@@ -16,4 +16,3 @@ export const EFFECT_RAN = 1 << 13;
 export const EFFECT_TRANSPARENT = 1 << 14;
 
 export const STATE_SYMBOL = Symbol('$state');
-export const INSPECT_SYMBOL = Symbol('$inspect');

packages/svelte/src/internal/client/constants.js

@@ -27,8 +27,7 @@ import {
 	BRANCH_EFFECT,
 	STATE_SYMBOL,
 	BLOCK_EFFECT,
-	ROOT_EFFECT,
-	INSPECT_SYMBOL
+	ROOT_EFFECT
 } from './constants.js';
 import { flush_tasks } from './dom/task.js';
 import { add_owner } from './dev/ownership.js';
@@ -1118,24 +1117,6 @@ export function pop(component) {
 	return component || /** @type {T} */ ({});
 }
 
-/**
- *
- * This is called from the inspect.
- * Deeply traverse every item in the array with `deep_read` to register for inspect callback
- * If the item implements INSPECT_SYMBOL, will use that instead
- * @param {Array<any>} value
- * @returns {void}
- */
-function deep_read_inpect(value) {
-	for (const item of value) {
-		if (item && typeof item[INSPECT_SYMBOL] === 'function') {
-			item[INSPECT_SYMBOL]();
-		} else {
-			deep_read(item);
-		}
-	}
-}
-
 /**
  * Possibly traverse an object and read all its properties so that they're all reactive in case this is `$state`.
  * Does only check first level of an object for performance reasons (heuristic should be good for 99% of all cases).
@@ -1266,7 +1247,7 @@ export function inspect(get_value, inspect = console.log) {
 
 		inspect_fn = fn;
 		const value = get_value();
-		deep_read_inpect(value);
+		deep_read(value);
 		inspect_fn = null;
 
 		const signals = inspect_captured_signals.slice();

packages/svelte/src/internal/client/runtime.js

@@ -1,5 +1,3 @@
-import { DEV } from 'esm-env';
-import { INSPECT_SYMBOL } from '../internal/client/constants.js';
 import { source, set } from '../internal/client/reactivity/sources.js';
 import { get } from '../internal/client/runtime.js';
 
@@ -90,13 +88,6 @@ export class ReactiveDate extends Date {
 					return v;
 				};
 			}
-
-			if (DEV) {
-				// @ts-ignore
-				proto[INSPECT_SYMBOL] = function () {
-					get(this.#raw_time);
-				};
-			}
 		}
 	}
 

packages/svelte/src/reactivity/date.js

@@ -3,9 +3,6 @@ import { source, set } from '../internal/client/reactivity/sources.js';
 import { get } from '../internal/client/runtime.js';
 import { UNINITIALIZED } from '../constants.js';
 import { map } from './utils.js';
-import { INSPECT_SYMBOL } from '../internal/client/constants.js';
-
-var inited = false;
 
 /**
  * @template K
@@ -23,22 +20,6 @@ export class ReactiveMap extends Map {
 	constructor(value) {
 		super();
 
-		if (DEV) {
-			if (!inited) {
-				inited = true;
-				// @ts-ignore
-				ReactiveMap.prototype[INSPECT_SYMBOL] = function () {
-					// changes could either introduced by
-					// - modifying the value, or
-					// - add / remove entries to the map
-					for (const [, source] of this.#sources) {
-						get(source);
-					}
-					get(this.#size);
-				};
-			}
-		}
-
 		// If the value is invalid then the native exception will fire here
 		if (DEV) new Map(value);
 

packages/svelte/src/reactivity/map.js

@@ -2,7 +2,6 @@ import { DEV } from 'esm-env';
 import { source, set } from '../internal/client/reactivity/sources.js';
 import { get } from '../internal/client/runtime.js';
 import { map } from './utils.js';
-import { INSPECT_SYMBOL } from '../internal/client/constants.js';
 
 var read_methods = ['forEach', 'isDisjointFrom', 'isSubsetOf', 'isSupersetOf'];
 var set_like_methods = ['difference', 'intersection', 'symmetricDifference', 'union'];
@@ -66,13 +65,6 @@ export class ReactiveSet extends Set {
 				return new ReactiveSet(set);
 			};
 		}
-
-		if (DEV) {
-			// @ts-ignore
-			proto[INSPECT_SYMBOL] = function () {
-				get(this.#version);
-			};
-		}
 	}
 
 	#increment_version() {

packages/svelte/src/reactivity/set.js

@@ -1,11 +1,7 @@
-import { DEV } from 'esm-env';
-import { INSPECT_SYMBOL } from '../internal/client/constants.js';
 import { source, set } from '../internal/client/reactivity/sources.js';
 import { get } from '../internal/client/runtime.js';
 
 const REPLACE = Symbol();
-var inited_url = false;
-var inited_search_params = false;
 
 export class ReactiveURL extends URL {
 	#protocol = source(super.protocol);
@@ -25,14 +21,6 @@ export class ReactiveURL extends URL {
 		url = new URL(url, base);
 		super(url);
 		this.#searchParams[REPLACE](url.searchParams);
-
-		if (DEV && !inited_url) {
-			inited_url = true;
-			// @ts-ignore
-			ReactiveURL.prototype[INSPECT_SYMBOL] = function () {
-				this.href;
-			};
-		}
 	}
 
 	get hash() {
@@ -171,17 +159,6 @@ export class ReactiveURLSearchParams extends URLSearchParams {
 		set(this.#version, this.#version.v + 1);
 	}
 
-	constructor() {
-		super();
-		if (DEV && !inited_search_params) {
-			inited_search_params = true;
-			// @ts-ignore
-			ReactiveURLSearchParams.prototype[INSPECT_SYMBOL] = function () {
-				get(this.#version);
-			};
-		}
-	}
-
 	/**
 	 * @param {URLSearchParams} params
 	 */