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151d21e50e
* refactor: Convert renderer typecheck methods to typeguards. * chore: Revert unintended change. * chore: Format types.ts.
48 lines
1.7 KiB
TypeScript
48 lines
1.7 KiB
TypeScript
/**
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* @license
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* Copyright 2019 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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// Former goog.module ID: Blockly.blockRendering.StatementInput
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import type {Input} from '../../inputs/input.js';
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import type {ConstantProvider} from '../common/constants.js';
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import {InputConnection} from './input_connection.js';
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import {Types} from './types.js';
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/**
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* An object containing information about the space a statement input takes up
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* during rendering
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*/
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export class StatementInput extends InputConnection {
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// This field exists solely to structurally distinguish this type from other
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// Measurable subclasses. Because this class otherwise has the same fields as
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// Measurable, and Typescript doesn't support nominal typing, Typescript will
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// consider it and other subclasses in the same situation as being of the same
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// type, even if typeguards are used, which could result in Typescript typing
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// objects of this class as `never`.
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private statementInput: undefined;
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/**
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* @param constants The rendering constants provider.
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* @param input The statement input to measure and store information for.
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*/
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constructor(constants: ConstantProvider, input: Input) {
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super(constants, input);
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this.type |= Types.STATEMENT_INPUT;
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if (!this.connectedBlock) {
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this.height = this.constants_.EMPTY_STATEMENT_INPUT_HEIGHT;
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} else {
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// We allow the dark path to show on the parent block so that the child
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// block looks embossed. This takes up an extra pixel in both x and y.
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this.height =
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this.connectedBlockHeight + this.constants_.STATEMENT_BOTTOM_SPACER;
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}
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this.width =
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this.constants_.STATEMENT_INPUT_NOTCH_OFFSET +
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(this.shape.width as number);
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}
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}
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