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_internal/editor/esm/vs/base/common/range.js

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+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+export var Range;
+(function (Range) {
+    /**
+     * Returns the intersection between two ranges as a range itself.
+     * Returns `{ start: 0, end: 0 }` if the intersection is empty.
+     */
+    function intersect(one, other) {
+        if (one.start >= other.end || other.start >= one.end) {
+            return { start: 0, end: 0 };
+        }
+        const start = Math.max(one.start, other.start);
+        const end = Math.min(one.end, other.end);
+        if (end - start <= 0) {
+            return { start: 0, end: 0 };
+        }
+        return { start, end };
+    }
+    Range.intersect = intersect;
+    function isEmpty(range) {
+        return range.end - range.start <= 0;
+    }
+    Range.isEmpty = isEmpty;
+    function intersects(one, other) {
+        return !isEmpty(intersect(one, other));
+    }
+    Range.intersects = intersects;
+    function relativeComplement(one, other) {
+        const result = [];
+        const first = { start: one.start, end: Math.min(other.start, one.end) };
+        const second = { start: Math.max(other.end, one.start), end: one.end };
+        if (!isEmpty(first)) {
+            result.push(first);
+        }
+        if (!isEmpty(second)) {
+            result.push(second);
+        }
+        return result;
+    }
+    Range.relativeComplement = relativeComplement;
+})(Range || (Range = {}));
+//# sourceMappingURL=range.js.map