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Merged
merged 7 commits into from
Mar 5, 2020
Merged

warn if passing slot not defined into Component #4501

merged 7 commits into from
Mar 5, 2020

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tanhauhau
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@tanhauhau tanhauhau commented Mar 3, 2020 •
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Fixes #1020, Fixes #1447

Failed test case will be fixed by #4500

Not sure the warning message is clear enough.
@tanhauhau tanhauhau added the slot label Mar 3, 2020
@Conduitry
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After #4500 was merged, I locally merged master back into this branch, but I'm still seeing a test failure for sigil-component-prop. The failure (due to an unexpected warning) goes away if I remove the newline inside the <Widget> component contents in that test. I'm not sure how this is interacting with #4500, but I'd probably expect that whitespace-only default slots not count as a slot getting passed into the component.
@tanhauhau tanhauhau force-pushed the tanhauhau/warn-if-passing-slot-not-defined branch from a89c3b0 to d9388ca Compare March 4, 2020 14:42
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tanhauhau commented Mar 4, 2020 •
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I found out why it failed, because in dev mode, we added dispatch_dev$("SvelteRegisterBlock", {}) into the block, that's why the slot block wasn't considered "empty".
@Conduitry Conduitry merged commit f2ee7ef into sveltejs:master Mar 5, 2020
@tanhauhau tanhauhau deleted the tanhauhau/warn-if-passing-slot-not-defined branch March 5, 2020 00:57
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Conduitry commented Mar 5, 2020 •
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I don't know why GitHub attributed the squashed commit to me and not to you 😬 I don't think I did anything different than usual...

Edit: Maybe because three commits were yours and four were mine? I don't really have any idea.
hontas added a commit to hontas/svelte that referenced this pull request Mar 6, 2020
@hontas
Merge branch 'master' of https://github.com/sveltejs/svelte
7d9ff14 
* 'master' of https://github.com/sveltejs/svelte: (137 commits) -> v3.19.2 fix lazy code breaks in build fit bitmask overflow initial dirty value in 'if' blocks (sveltejs#4507) add dev runtime warning for unknown slot names (sveltejs#4501) fix render fallback slot content due to whitespace (sveltejs#4500) docs: describe falsy and nullish attribute behavior (sveltejs#4498) in spread, distinguish never-updating and always-updating props (sveltejs#4487) chore: more specific typings, and add README note about Yarn (sveltejs#4483) update changelog check for unknown props even if component doesn't have writable props (sveltejs#4454) Bump codecov from 3.5.0 to 3.6.5 (sveltejs#4433) fix bitmask overflow for slot (sveltejs#4485) mark module variables as mutated or reassigned (sveltejs#4469) docs: referenced_from_script var value (sveltejs#4486) docs: clarify default prop behaviour (sveltejs#4460) site: turn fancybutton into custombutton (sveltejs#4476) update changelog exclude global variables from $capture_state (sveltejs#4475) -> v3.19.1 don't treat $$-names as stores during invalidation (sveltejs#4453) ...
@Conduitry Conduitry mentioned this pull request Mar 12, 2020
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taylorzane pushed a commit to taylorzane/svelte that referenced this pull request Dec 17, 2020
@Conduitry @taylorzane
add dev runtime warning for unknown slot names (sveltejs#4501)
1db1096
@baseballyama baseballyama mentioned this pull request May 5, 2022
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