SQL Operations Studio Public Preview 1 (0.23) release source code

src/vs/base/common/numbers.ts

@@ -0,0 +1,47 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+'use strict';
+
+import types = require('vs/base/common/types');
+
+export type NumberCallback = (index: number) => void;
+
+export function count(to: number, callback: NumberCallback): void;
+export function count(from: number, to: number, callback: NumberCallback): void;
+export function count(fromOrTo: number, toOrCallback?: NumberCallback | number, callback?: NumberCallback): any {
+	var from: number, to: number;
+
+	if (types.isNumber(toOrCallback)) {
+		from = fromOrTo;
+		to = <number>toOrCallback;
+	} else {
+		from = 0;
+		to = fromOrTo;
+		callback = <NumberCallback>toOrCallback;
+	}
+
+	var op = from <= to ? (i: number) => i + 1 : (i: number) => i - 1;
+	var cmp = from <= to ? (a: number, b: number) => a < b : (a: number, b: number) => a > b;
+
+	for (var i = from; cmp(i, to); i = op(i)) {
+		callback(i);
+	}
+}
+
+export function countToArray(to: number): number[];
+export function countToArray(from: number, to: number): number[];
+export function countToArray(fromOrTo: number, to?: number): number[] {
+	var result: number[] = [];
+	var fn = (i: number) => result.push(i);
+
+	if (types.isUndefined(to)) {
+		count(fromOrTo, fn);
+	} else {
+		count(fromOrTo, to, fn);
+	}
+
+	return result;
+}