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