Remove special treatment for HTMLTemplateElement
#76
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seanpdoyle
commented
Dec 13, 2024
src/processors.ts
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| part.value = value instanceof Node ? value : String(value) | ||
| export function processPropertyIdentity(part: TemplatePart, value: unknown, state: unknown): void { | ||
| if (part instanceof InnerTemplatePart) { | ||
| part.template.content.replaceChildren(new TemplateInstance(part.template, state)) |
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This is the weight-bearing portion of this diff.
I don't like how much is going on in this line, I wish it were conceptually simpler.
Also, the current type signatures don't afford consumers to forward along their processor, so the default behavior wouldn't work for consumers that rely on propertyIdentityOrBooleanAttribute behavior instead of (the default) propertyIdentity behavior.
I'm exploring a more flexible change.
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Now that `InnerTemplatePart` exists, the Node walker should yield instances of `InnerTemplatePart` instead of collecting nested `<template>` elements based on their attributes. Consumers are free to override the `TemplateInstance` processor to handle `<template>` elements in whichever way they please, while still being able to fall back to the built-in behavior.
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Now that
InnerTemplatePartexists, the Node walker should yield instances ofInnerTemplatePartinstead of collecting nested<template>elements based on their attributes.Consumers are free to override the
TemplateInstanceprocessor to handle<template>elements in whichever way they please, while still being able to fall back to the built-in behavior.