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[FIX] component: solve tricky concurrency issue

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In some specific situation, a component could crash, because it was
destroyed before being mounted, but reused anyway for another rendering.
This commit is contained in:
Géry Debongnie
2019-09-01 21:24:54 +02:00
parent f9861040c8
commit 4cd08d25c8
6 changed files with 84 additions and 40 deletions
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tests/__snapshots__/animations.test.ts.snap
+2 -2
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@@ -31,7 +31,7 @@ exports[`animations t-transition combined with component 1`] = `
w4 = new W4(parent, props4);
parent.__owl__.cmap[4] = w4.__owl__.id;
def3 = w4.__prepare();
def3 = def3.then(vnode=>{let pvnode=h(vnode.sel, {key: 4, hook: {insert(vn) {let nvn=w4.__mount(vnode, pvnode.elm);pvnode.elm=nvn.elm;utils.transitionInsert(vn, 'chimay');},remove() {},destroy(vn) {let finalize = () => {
def3 = def3.then(vnode=>{if (w4.__owl__.isDestroyed){return}let pvnode=h(vnode.sel, {key: 4, hook: {insert(vn) {let nvn=w4.__mount(vnode, pvnode.elm);pvnode.elm=nvn.elm;utils.transitionInsert(vn, 'chimay');},remove() {},destroy(vn) {let finalize = () => {
w4.destroy();
};
utils.transitionRemove(vn, 'chimay', finalize);}}});c1[_2_index]=pvnode;w4.__owl__.pvnode = pvnode;});
@@ -76,7 +76,7 @@ exports[`animations t-transition combined with t-component and t-if 1`] = `
w4 = new W4(parent, props4);
parent.__owl__.cmap[4] = w4.__owl__.id;
def3 = w4.__prepare();
def3 = def3.then(vnode=>{let pvnode=h(vnode.sel, {key: 4, hook: {insert(vn) {let nvn=w4.__mount(vnode, pvnode.elm);pvnode.elm=nvn.elm;utils.transitionInsert(vn, 'chimay');},remove() {},destroy(vn) {let finalize = () => {
def3 = def3.then(vnode=>{if (w4.__owl__.isDestroyed){return}let pvnode=h(vnode.sel, {key: 4, hook: {insert(vn) {let nvn=w4.__mount(vnode, pvnode.elm);pvnode.elm=nvn.elm;utils.transitionInsert(vn, 'chimay');},remove() {},destroy(vn) {let finalize = () => {
w4.destroy();
};
utils.transitionRemove(vn, 'chimay', finalize);}}});c1[_2_index]=pvnode;w4.__owl__.pvnode = pvnode;});