mirror of https://github.com/sveltejs/svelte
Merge pull request #3529 from sveltejs/gh-3526
only update attributes with dynamic dependenciespull/3538/head
Rich Harris
5 years ago
committed by
GitHub
commit
b6905f8fa3
@ -0,0 +1,112 @@
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/* generated by Svelte vX.Y.Z */
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import {
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SvelteComponent,
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destroy_component,
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detach,
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element,
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init,
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insert,
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listen,
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mount_component,
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safe_not_equal,
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set_input_value,
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space,
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transition_in,
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transition_out
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} from "svelte/internal";
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import Foo from "./Foo.svelte";
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import Bar from "./Bar.svelte";
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function create_fragment(ctx) {
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var t0, t1, input, current, dispose;
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var foo = new Foo({ props: { x: y } });
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var bar = new Bar({ props: { x: ctx.z } });
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return {
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c() {
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foo.$$.fragment.c();
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t0 = space();
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bar.$$.fragment.c();
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t1 = space();
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input = element("input");
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dispose = listen(input, "input", ctx.input_input_handler);
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},
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m(target, anchor) {
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mount_component(foo, target, anchor);
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insert(target, t0, anchor);
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mount_component(bar, target, anchor);
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insert(target, t1, anchor);
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insert(target, input, anchor);
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set_input_value(input, ctx.z);
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current = true;
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},
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p(changed, ctx) {
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var bar_changes = {};
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if (changed.z) bar_changes.x = ctx.z;
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bar.$set(bar_changes);
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if (changed.z && (input.value !== ctx.z)) set_input_value(input, ctx.z);
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},
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i(local) {
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if (current) return;
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transition_in(foo.$$.fragment, local);
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transition_in(bar.$$.fragment, local);
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current = true;
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},
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o(local) {
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transition_out(foo.$$.fragment, local);
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transition_out(bar.$$.fragment, local);
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current = false;
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},
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d(detaching) {
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destroy_component(foo, detaching);
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if (detaching) {
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detach(t0);
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}
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destroy_component(bar, detaching);
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if (detaching) {
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detach(t1);
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detach(input);
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}
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dispose();
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}
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};
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}
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let y = 1;
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function instance($$self, $$props, $$invalidate) {
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let z = 2;
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function input_input_handler() {
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z = this.value;
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$$invalidate('z', z);
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}
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return { z, input_input_handler };
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}
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class Component extends SvelteComponent {
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constructor(options) {
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super();
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init(this, options, instance, create_fragment, safe_not_equal, []);
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}
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}
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export default Component;
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@ -0,0 +1,13 @@
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<script>
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import Foo from './Foo.svelte';
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import Bar from './Bar.svelte';
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let y = 1;
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let z = 2;
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</script>
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<Foo x={y}/>
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<Bar x={z}/>
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<!-- ensure z is considered dynamic, even though the binding is encountered late -->
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<input bind:value={z}>
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