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[IMP] component: use reactivity to allow shallow renderings

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With this commit, component only render child
components if they have different props (shallow
equality). Otherwise, we trust the reactivity
system to make sure that all impacted components
are updated
This commit is contained in:
Géry Debongnie
2022-01-10 14:35:57 +01:00
committed by Samuel Degueldre
parent 592d9a458e
commit 1ae9d514b9
26 changed files with 1177 additions and 189 deletions
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tests/components/__snapshots__/concurrency.test.ts.snap
+28 -1
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@@ -1067,6 +1067,33 @@ exports[`delay willUpdateProps with rendering grandchild 4`] = `
}"
`;
exports[`destroying/recreating a subcomponent, other scenario 1`] = `
"function anonymous(bdom, helpers
) {
let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
return function template(ctx, node, key = \\"\\") {
let b2,b3;
b2 = text(\`parent\`);
if (ctx['state'].hasChild) {
b3 = component(\`Child\`, {}, key + \`__1\`, node, ctx);
}
return multi([b2, b3]);
}
}"
`;
exports[`destroying/recreating a subcomponent, other scenario 2`] = `
"function anonymous(bdom, helpers
) {
let { text, createBlock, list, multi, html, toggler, component, comment } = bdom;
return function template(ctx, node, key = \\"\\") {
return text(\`child\`);
}
}"
`;
exports[`destroying/recreating a subwidget with different props (if start is not over) 1`] = `
"function anonymous(bdom, helpers
) {
@@ -1145,7 +1172,7 @@ exports[`properly behave when destroyed/unmounted while rendering 2`] = `
let block1 = createBlock(\`<div><block-child-0/></div>\`);
return function template(ctx, node, key = \\"\\") {
let b2 = component(\`SubChild\`, {}, key + \`__1\`, node, ctx);
let b2 = component(\`SubChild\`, {val: ctx['props'].val}, key + \`__1\`, node, ctx);
return block1([], [b2]);
}
}"