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chore: Clean up dynamic code imports, types
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| import { SvelteComponent } from 'svelte'; | ||
| import { derived, readable, writable } from 'svelte/store'; | ||
|
|
||
| import type { ComponentType } from 'svelte'; | ||
| import type { | ||
| HighlightEvents, | ||
| HighlightProps, | ||
| HighlightSlots | ||
| } from 'svelte-highlight/Highlight.svelte'; | ||
| import type { | ||
| HighlightSvelteEvents, | ||
| HighlightSvelteProps, | ||
| HighlightSvelteSlots | ||
| } from 'svelte-highlight/HighlightSvelte.svelte'; | ||
| import type { | ||
| LineNumbersEvents, | ||
| LineNumbersProps, | ||
| LineNumbersSlots | ||
| } from 'svelte-highlight/LineNumbers.svelte'; | ||
|
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||
| class _LineNumbers extends SvelteComponent< | ||
| LineNumbersProps, | ||
| LineNumbersEvents, | ||
| LineNumbersSlots | ||
| > {} | ||
| class _HighlightSvelte extends SvelteComponent< | ||
| HighlightSvelteProps, | ||
| HighlightSvelteEvents, | ||
| HighlightSvelteSlots | ||
| > {} | ||
| class _Highlight extends SvelteComponent< | ||
| HighlightProps, | ||
| HighlightEvents, | ||
| HighlightSlots | ||
| > {} | ||
|
|
||
| export type LineNumbers = ComponentType<_LineNumbers>; | ||
| export type HighlightSvelte = ComponentType<_HighlightSvelte>; | ||
| export type Highlight = ComponentType<_Highlight>; | ||
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| const stores = { | ||
| LineNumbers: writable<Promise<LineNumbers> | undefined>(undefined), | ||
| HighlightSvelte: writable<Promise<HighlightSvelte> | undefined>(undefined), | ||
| Highlight: writable<Promise<Highlight> | undefined>(undefined) | ||
| } as const; | ||
|
|
||
| const genericDerivedAsyncImport = <K extends keyof typeof stores>( | ||
| name: K, | ||
| target: (typeof stores)[K] | ||
| ) => | ||
| derived(target, (value: Parameters<(typeof target)['set']>[0]) => { | ||
| if (value === undefined) { | ||
| const promise = import( | ||
| `../../../node_modules/svelte-highlight/${name}.svelte` | ||
| ).then((module) => module.default) as unknown as NonNullable<typeof value>; | ||
| // @ts-expect-error - TS infers target['set'] here as an Intersection of Writable ReturnTypes rather than Unions | ||
| target.set(promise); | ||
| return promise; | ||
| } | ||
| return value; | ||
| }), | ||
| empty = () => | ||
| readable<Promise<undefined>>(new Promise((resolve) => resolve(undefined))); | ||
|
|
||
| const lineNumbers = (useLineNumbers: boolean) => { | ||
| return useLineNumbers | ||
| ? genericDerivedAsyncImport('LineNumbers', stores.LineNumbers) | ||
| : empty(); | ||
| }, | ||
| highlightSvelte = (useHlSvelte: boolean) => { | ||
| return useHlSvelte | ||
| ? genericDerivedAsyncImport('HighlightSvelte', stores.HighlightSvelte) | ||
| : empty(); | ||
| }, | ||
| highlight = () => genericDerivedAsyncImport('Highlight', stores.Highlight); | ||
|
|
||
| export { | ||
| highlight as Highlight, | ||
| highlightSvelte as HighlightSvelte, | ||
| lineNumbers as LineNumbers | ||
| }; |
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