Files
blockly/core/renderers/measurables/next_connection.ts
Aaron Dodson 151d21e50e refactor: Convert renderer typecheck methods to typeguards. (#8656)
* refactor: Convert renderer typecheck methods to typeguards.

* chore: Revert unintended change.

* chore: Format types.ts.
2025-01-07 14:04:21 -08:00

42 lines
1.4 KiB
TypeScript

/**
* @license
* Copyright 2019 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
// Former goog.module ID: Blockly.blockRendering.NextConnection
import type {RenderedConnection} from '../../rendered_connection.js';
import type {ConstantProvider} from '../common/constants.js';
import {Connection} from './connection.js';
import {Types} from './types.js';
/**
* An object containing information about the space a next connection takes
* up during rendering.
*/
export class NextConnection extends Connection {
// This field exists solely to structurally distinguish this type from other
// Measurable subclasses. Because this class otherwise has the same fields as
// Measurable, and Typescript doesn't support nominal typing, Typescript will
// consider it and other subclasses in the same situation as being of the same
// type, even if typeguards are used, which could result in Typescript typing
// objects of this class as `never`.
private nextConnection: undefined;
/**
* @param constants The rendering constants provider.
* @param connectionModel The connection object on the block that this
* represents.
*/
constructor(
constants: ConstantProvider,
connectionModel: RenderedConnection,
) {
super(constants, connectionModel);
this.type |= Types.NEXT_CONNECTION;
this.height = this.shape.height as number;
this.width = this.shape.width as number;
}
}