drop old TC39 Observable proposal in favor of future adding new Web…

… Platform `Observable` proposal

.github/workflows/ci.yml

@@ -32,7 +32,7 @@ jobs:
       - run: npm ci
       - run: npx run-s bundle test-unit-karma
 
-  promises-and-observables:
+  promises:
     strategy:
       matrix:
         node:
@@ -46,7 +46,7 @@ jobs:
           node-version: ${{ matrix.node }}
           cache: npm
       - run: npm ci
-      - run: npx run-s test-promises test-observables
+      - run: npx run test-promises
 
   tests:
     strategy:

README.md

@@ -171,7 +171,6 @@ structuredClone(new Set([1, 2, 3])); // => new Set([1, 2, 3])
       - [`RegExp` escaping](#regexp-escaping)
       - [`Symbol` predicates](#symbol-predicates)
     - [Stage 1 proposals](#stage-1-proposals)
-      - [`Observable`](#observable)
       - [New collections methods](#new-collections-methods)
       - [`.of` and `.from` methods on collection constructors](#of-and-from-methods-on-collection-constructors)
       - [`compositeKey` and `compositeSymbol`](#compositekey-and-compositesymbol)
@@ -2685,39 +2684,7 @@ Symbol.isWellKnownSymbol(Symbol('key')); // => false
 ```js
 core-js(-pure)/stage/1
 ```
-##### [`Observable`](https://github.com/zenparsing/es-observable)[⬆](#index)
-Modules [`esnext.observable.constructor`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.observable.constructor.js), [`esnext.observable.from`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.observable.from.js), [`esnext.observable.of`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.observable.of.js) and [`esnext.symbol.observable`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.symbol.observable.js)
-```js
-class Observable {
-  constructor(subscriber: Function): Observable;
-  subscribe(observer: Function | { next?: Function, error?: Function, complete?: Function }): Subscription;
-  @@observable(): this;
-  static of(...items: Array<mixed>): Observable;
-  static from(x: Observable | Iterable): Observable;
-  static readonly attribute @@species: this;
-}
 
-class Symbol {
-  static observable: @@observable;
-}
-```
-[*CommonJS entry points:*](#commonjs-api)
-```js
-core-js/proposals/observable
-core-js(-pure)/full/observable
-core-js(-pure)/full/symbol/observable
-```
-[*Examples*](https://goo.gl/1LDywi):
-```js
-new Observable(observer => {
-  observer.next('hello');
-  observer.next('world');
-  observer.complete();
-}).subscribe({
-  next(it) { console.log(it); },
-  complete() { console.log('!'); }
-});
-```
 ##### [New collections methods](https://github.com/tc39/proposal-collection-methods)[⬆](#index)
 Modules [`esnext.set.add-all`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.set.add-all.js), [`esnext.set.delete-all`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.set.delete-all.js), [`esnext.set.every`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.set.every.js), [`esnext.set.filter`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.set.filter.js), [`esnext.set.find`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.set.find.js), [`esnext.set.join`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.set.join.js), [`esnext.set.map`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.set.map.js), [`esnext.set.reduce`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.set.reduce.js), [`esnext.set.some`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.set.some.js), [`esnext.map.delete-all`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.map.delete-all.js), [`esnext.map.every`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.map.every.js), [`esnext.map.filter`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.map.filter.js), [`esnext.map.find`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.map.find.js), [`esnext.map.find-key`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.map.find-key.js), [`esnext.map.group-by`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.map.group-by.js), [`esnext.map.includes`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.map.includes.js), [`esnext.map.key-by`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.map.key-by.js), [`esnext.map.key-of`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.map.key-of.js), [`esnext.map.map-keys`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.map.map-keys.js), [`esnext.map.map-values`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.map.map-values.js), [`esnext.map.merge`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.map.merge.js), [`esnext.map.reduce`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.map.reduce.js), [`esnext.map.some`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.map.some.js), [`esnext.map.update`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.map.update.js), [`esnext.weak-set.add-all`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.weak-set.add-all.js), [`esnext.weak-set.delete-all`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.weak-set.delete-all.js), [`esnext.weak-map.delete-all`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.weak-map.delete-all.js)
 ##### [`.of` and `.from` methods on collection constructors](https://github.com/tc39/proposal-setmap-offrom)[⬆](#index)

package.json

@@ -34,15 +34,14 @@
     "lint": "run-s prepare lint-raw",
     "lint-raw": "run-s test-eslint test-type-definitions bundle-package test-publint",
     "test": "run-s prepare test-raw",
-    "test-raw": "run-s lint-raw bundle-tests test-unit test-promises test-observables test-entries test-compat-data test-compat-tools test-builder check",
+    "test-raw": "run-s lint-raw bundle-tests test-unit test-promises test-entries test-compat-data test-compat-tools test-builder check",
     "test-eslint": "npm run zxi time tests/eslint/runner.mjs",
     "test-publint": "npm run zxi time tests/publint/runner.mjs",
     "test-unit": "run-s test-unit-karma test-unit-node",
     "test-unit-karma": "npm run zxi time cd tests/unit-karma/runner.mjs",
     "test-unit-node": "npm run zxi time tests/unit-node/runner.mjs",
     "test-unit-bun": "npm run zxi time tests/unit-bun/runner.mjs",
     "test-promises": "npm run zxi time cd tests/promises/runner.mjs",
-    "test-observables": "npm run zxi time cd tests/observables/runner.mjs",
     "test-entries": "zx tests/entries/index.mjs",
     "test-builder": "zx tests/builder/builder.mjs",
     "test-compat-data": "zx tests/compat-data/index.mjs",

packages/core-js-compat/src/data.mjs

@@ -1970,12 +1970,6 @@ export const data = {
     chrome: '117',
     firefox: '119',
   },
-  'esnext.observable.constructor': {
-  },
-  'esnext.observable.from': {
-  },
-  'esnext.observable.of': {
-  },
   'esnext.promise.with-resolvers': {
     bun: '0.7.1',
     chrome: '119',
@@ -2070,8 +2064,6 @@ export const data = {
   },
   'esnext.symbol.metadata': {
   },
-  'esnext.symbol.observable': {
-  },
   'esnext.typed-array.filter-reject': {
   },
   'esnext.typed-array.unique-by': {

packages/core-js/full/symbol/index.js

@@ -3,6 +3,5 @@ var parent = require('../../actual/symbol');
 require('../../modules/esnext.symbol.is-registered-symbol');
 require('../../modules/esnext.symbol.is-well-known-symbol');
 require('../../modules/esnext.symbol.matcher');
-require('../../modules/esnext.symbol.observable');
 
 module.exports = parent;