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43 lines
1.2 KiB
43 lines
1.2 KiB
'use strict';
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import { TextEditor, Uri } from 'vscode';
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abstract class Comparer<T> {
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abstract equals(lhs: T, rhs: T): boolean;
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}
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class UriComparer extends Comparer<Uri> {
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equals(lhs: Uri | undefined, rhs: Uri | undefined, options: { exact?: boolean } = { exact: false }) {
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if (lhs === rhs) return true;
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if (lhs == null || rhs == null) return false;
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if (options.exact) {
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return lhs.toString() === rhs.toString();
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}
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return lhs.scheme === rhs.scheme && lhs.fsPath === rhs.fsPath;
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}
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}
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class TextEditorComparer extends Comparer<TextEditor> {
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equals(
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lhs: TextEditor | undefined,
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rhs: TextEditor | undefined,
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options: { useId: boolean; usePosition: boolean } = { useId: false, usePosition: false },
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) {
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if (lhs === rhs) return true;
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if (lhs == null || rhs == null) return false;
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if (options.usePosition && lhs.viewColumn !== rhs.viewColumn) return false;
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if (options.useId && (lhs.document != null || rhs.document != null)) {
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if ((lhs as any).id !== (rhs as any).id) return false;
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return true;
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}
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return lhs.document === rhs.document;
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}
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}
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const textEditorComparer = new TextEditorComparer();
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const uriComparer = new UriComparer();
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export { textEditorComparer as TextEditorComparer, uriComparer as UriComparer };
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