add component.destroyed property (fixes #935)

src/shared/index.js

@@ -16,6 +16,7 @@ export function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 export function destroyDev(detach) {
@@ -188,6 +189,7 @@ export function _unmount() {
 }
 
 export var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,
@@ -202,6 +204,7 @@ export var proto = {
 };
 
 export var protoDev = {
+	destroyed: false,
 	destroy: destroyDev,
 	get: get,
 	fire: fire,

test/js/samples/collapses-text-around-comments/expected-bundle.js

@@ -49,6 +49,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -178,6 +179,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/component-static/expected-bundle.js

@@ -25,6 +25,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -154,6 +155,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/computed-collapsed-if/expected-bundle.js

@@ -25,6 +25,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -154,6 +155,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/css-media-query/expected-bundle.js

@@ -45,6 +45,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -174,6 +175,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/css-shadow-dom-keyframes/expected-bundle.js

@@ -37,6 +37,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -166,6 +167,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/do-use-dataset/expected-bundle.js

@@ -41,6 +41,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -170,6 +171,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/dont-use-dataset-in-legacy/expected-bundle.js

@@ -45,6 +45,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -174,6 +175,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/each-block-changed-check/expected-bundle.js

@@ -57,6 +57,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -186,6 +187,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/event-handlers-custom/expected-bundle.js

@@ -37,6 +37,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -166,6 +167,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/if-block-no-update/expected-bundle.js

@@ -41,6 +41,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -170,6 +171,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/if-block-simple/expected-bundle.js

@@ -41,6 +41,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -170,6 +171,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/inline-style-optimized-multiple/expected-bundle.js

@@ -41,6 +41,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -170,6 +171,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/inline-style-optimized-url/expected-bundle.js

@@ -41,6 +41,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -170,6 +171,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/inline-style-optimized/expected-bundle.js

@@ -41,6 +41,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -170,6 +171,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/inline-style-unoptimized/expected-bundle.js

@@ -41,6 +41,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -170,6 +171,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/input-without-blowback-guard/expected-bundle.js

@@ -45,6 +45,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -174,6 +175,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/legacy-input-type/expected-bundle.js

@@ -43,6 +43,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -172,6 +173,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/legacy-quote-class/expected-bundle.js

@@ -60,6 +60,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -189,6 +190,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/media-bindings/expected-bundle.js

@@ -53,6 +53,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -182,6 +183,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/non-imported-component/expected-bundle.js

@@ -39,6 +39,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -168,6 +169,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/onrender-onteardown-rewritten/expected-bundle.js

@@ -25,6 +25,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -154,6 +155,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/setup-method/expected-bundle.js

@@ -25,6 +25,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -154,6 +155,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/use-elements-as-anchors/expected-bundle.js

@@ -49,6 +49,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -178,6 +179,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/js/samples/window-binding-scroll/expected-bundle.js

@@ -45,6 +45,7 @@ function destroy(detach) {
 	if (detach !== false) this._fragment.u();
 	this._fragment.d();
 	this._fragment = this._state = null;
+	this.destroyed = true;
 }
 
 function differs(a, b) {
@@ -174,6 +175,7 @@ function _unmount() {
 }
 
 var proto = {
+	destroyed: false,
 	destroy: destroy,
 	get: get,
 	fire: fire,

test/runtime/samples/destroyed/_config.js

@@ -0,0 +1,7 @@
+export default {
+	test(assert, component) {
+		assert.ok(!component.destroyed);
+		component.destroy();
+		assert.ok(component.destroyed);
+	}
+};

test/runtime/samples/destroyed/main.html

@@ -0,0 +1 @@
+<div/>