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chore: Fix TS lang server support in our .d.ts files #4698

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Merged
rschristian merged 4 commits into from
Feb 19, 2025
Merged

chore: Fix TS lang server support in our .d.ts files #4698

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be76125
chore: Fix TS lang server support in our `.d.ts` files
rschristian Feb 19, 2025
d52f11b
refactor: Fix internal types issues
rschristian Feb 19, 2025
5169728
refactor: Fix a couple compat types whilst we're at it
rschristian Feb 19, 2025
e0afeeb
chore: Lint compat & jsx-runtime types too
rschristian Feb 19, 2025
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20 changes: 11 additions & 9 deletions hooks/src/internal.d.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,9 @@ import {
Options as PreactOptions,
Component as PreactComponent,
VNode as PreactVNode,
Context as PreactContext,
PreactContext,
HookType,
ErrorInfo,
} from '../../src/internal';
import { Reducer, StateUpdater } from '.';

Expand Down Expand Up @@ -30,14 +32,14 @@ export interface ComponentHooks {
_pendingEffects: EffectHookState[];
}

export interface Component extends PreactComponent<any, any> {
export interface Component extends Omit<PreactComponent<any, any>, '_renderCallbacks'> {

@rschristian rschristian Feb 19, 2025

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This PR adds a healthy sprinkling of Omit which I think is correct given our use cases -- generally, our internal types intentionally clash with the base/user-exposed types.

__hooks?: ComponentHooks;
// Extend to include HookStates
_renderCallbacks?: Array<HookState | (() => void)>;
_hasScuFromHooks?: boolean;
}

export interface VNode extends PreactVNode {
export interface VNode extends Omit<PreactVNode, '_component'> {
_mask?: [number, number];
_component?: Component; // Override with our specific Component type
}
Expand All @@ -52,12 +54,12 @@ export type HookState =

interface BaseHookState {
_value?: unknown;
_nextValue?: undefined;
_pendingValue?: undefined;
_args?: undefined;
_pendingArgs?: undefined;
_component?: undefined;
_cleanup?: undefined;
_nextValue?: unknown;
_pendingValue?: unknown;
_args?: unknown;
_pendingArgs?: unknown;
_component?: unknown;
_cleanup?: unknown;
}
Comment on lines 55 to 63

@rschristian rschristian Feb 19, 2025

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undefined is a more specific type than unknown which disallows some interfaces from extending these properties as they need to.


export type Effect = () => void | Cleanup;
Expand Down
3 changes: 2 additions & 1 deletion jsconfig.json
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Expand Up @@ -13,7 +13,8 @@
"preact/*": ["./*"]
},
"target": "es5",
"noEmit": true
"noEmit": true,
"skipLibCheck": false
},
"exclude": ["**/node_modules/**", "**/dist/**", "coverage", "demo"]
}
4 changes: 2 additions & 2 deletions src/internal.d.ts
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Expand Up @@ -109,7 +109,7 @@ export interface PreactElement extends preact.ContainerNode {
readonly style?: CSSStyleDeclaration;

// nextSibling required for inserting nodes
readonly nextSibling: ContainerNode | null;
readonly nextSibling: PreactElement | null;

// Used to match DOM nodes to VNodes during hydration. Note: doesn't exist
// on Text nodes
Expand Down Expand Up @@ -158,7 +158,7 @@ export interface VNode<P = {}> extends preact.VNode<P> {
_flags: number;
}

export interface Component<P = {}, S = {}> extends preact.Component<P, S> {
export interface Component<P = {}, S = {}> extends Omit<preact.Component<P, S>, 'base'> {
// When component is functional component, this is reset to functional component
constructor: ComponentType<P>;
state: S; // Override Component["state"] to not be readonly for internal use, specifically Hooks
Expand Down