mirror of
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107 lines
3.1 KiB
JavaScript
107 lines
3.1 KiB
JavaScript
export const getTimeObj = time => {
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const minutes = Math.floor(time / 60);
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const seconds = time % 60;
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return {
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minutesFirstDigit: Math.floor(minutes / 10),
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minutesSecondDigit: Math.floor(minutes % 10),
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secondsFirstDigit: Math.floor(seconds / 10),
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secondsSecondDigit: Math.floor(seconds % 10)
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};
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};
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export const getTimeStr = time => {
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const timeObj = getTimeObj(time);
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return [
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timeObj.minutesFirstDigit,
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timeObj.minutesSecondDigit,
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":",
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timeObj.secondsFirstDigit,
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timeObj.secondsSecondDigit
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].join("");
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};
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export const parseViscolors = text => {
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const entries = text.split("\n");
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const regex = /^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)/;
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const colors = [];
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// changed to a hard number to deal with empty lines at the end...
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// plus it's only meant to be an exact quantity of numbers anyway.
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// - @PAEz
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for (let i = 0; i < 24; i++) {
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const matches = regex.exec(entries[i]);
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if (matches) {
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colors[i] = `rgb(${matches.slice(1, 4).join(",")})`;
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} else {
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console.error(`Error in VISCOLOR.TXT on line ${i}`);
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}
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}
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return colors;
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};
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// Dumb ini parser that just gets all the key/value pairs
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export const parseIni = text => {
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const lines = text.split(/[\r\n]+/g);
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return lines.reduce((data, line) => {
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if (line.includes("=")) {
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const [key, value] = line.split("=");
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data[key] = value;
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}
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return data;
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}, {});
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};
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export const clamp = (value, min, max) => Math.min(Math.max(value, min), max);
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export const base64FromArrayBuffer = arrayBuffer => {
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const dataView = new Uint8Array(arrayBuffer);
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return window.btoa(String.fromCharCode(...dataView));
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};
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// https://stackoverflow.com/a/15832662/1263117
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export function downloadURI(uri, name) {
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const link = document.createElement("a");
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link.download = name;
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link.href = uri;
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window.document.body.appendChild(link);
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link.click();
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window.document.body.removeChild(link);
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}
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export const rebound = (oldMin, oldMax, newMin, newMax) => oldValue =>
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Math.round(
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(oldValue - oldMin) * (newMax - newMin) / (oldMax - oldMin) + newMin
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);
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// Convert a .eqf value to a 1-100
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export const normalize = rebound(1, 64, 1, 100);
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// Convert a 0-100 to an .eqf value
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export const denormalize = rebound(1, 100, 1, 64);
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// Merge a `source` object to a `target` recursively
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export const merge = (target, source) => {
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// Iterate through `source` properties and if an `Object` set property to merge of `target` and `source` properties
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for (const key of Object.keys(source)) {
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if (source[key] instanceof Object)
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Object.assign(source[key], merge(target[key], source[key]));
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}
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// Join `target` and modified `source`
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Object.assign(target || {}, source);
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return target;
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};
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// Maps a value in a range (defined my min/max) to a value in an array (options).
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export const segment = (min, max, value, newValues) => {
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const ratio = (value - min) / (max - min);
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/*
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| 0 | 1 | 2 |
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0 1 2 3
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*/
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const index = Math.min(
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Math.floor(ratio * newValues.length),
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newValues.length - 1 // Special case for 100%
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);
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return newValues[index];
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};
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