Files
element-web/src/utils/numbers.ts
David Langley 69ee8fd96a Change License: AGPL + Element Commercial (#28856)
* Add commercial licence and update config files

* Update license in headers

* Revert "Update license in headers"

This reverts commit 7ed7949485.

* Update only spdx id

* Remove LicenseRef- from package.json

LicenseRef- no longer allowed in npm v3 package.json
This fixes the warning in the logs and failing build check.
2025-01-06 11:18:54 +00:00

36 lines
1.1 KiB
TypeScript

/*
Copyright 2024 New Vector Ltd.
Copyright 2021 The Matrix.org Foundation C.I.C.
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
Please see LICENSE files in the repository root for full details.
*/
/**
* Returns the default number if the given value, i, is not a number. Otherwise
* returns the given value.
* @param {*} i The value to check.
* @param {number} def The default value.
* @returns {number} Either the value or the default value, whichever is a number.
*/
export function defaultNumber(i: unknown, def: number): number {
return Number.isFinite(i) ? Number(i) : def;
}
export function clamp(i: number, min: number, max: number): number {
return Math.min(Math.max(i, min), max);
}
export function sum(...i: number[]): number {
return [...i].reduce((p, c) => c + p, 0);
}
export function percentageWithin(pct: number, min: number, max: number): number {
return pct * (max - min) + min;
}
export function percentageOf(val: number, min: number, max: number): number {
const percentage = (val - min) / (max - min);
return Number.isNaN(percentage) ? 0 : percentage;
}