40 lines
852 B
TypeScript
40 lines
852 B
TypeScript
import { Command, type CommandResult } from "./base-command";
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export class BatchCommand extends Command {
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constructor(private commands: Command[]) {
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super();
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}
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execute(): CommandResult | undefined {
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let latestSelectionResult: CommandResult | undefined;
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for (const command of this.commands) {
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const result = command.execute();
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if (result?.select !== undefined) {
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latestSelectionResult = result;
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}
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}
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return latestSelectionResult;
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}
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undo(): void {
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for (const command of [...this.commands].reverse()) {
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command.undo();
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}
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}
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redo(): CommandResult | undefined {
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let latestSelectionResult: CommandResult | undefined;
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for (const command of this.commands) {
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const result = command.redo();
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if (result?.select !== undefined) {
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latestSelectionResult = result;
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}
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}
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return latestSelectionResult;
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}
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}
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