yikuansun

let currentDocument = app.activeDocument;
/*
load in the image as an array buffer - will open in new document
*/
app.activeDocument.activeLayer.copy(true);
app.activeDocument.close();
app.activeDocument = currentDocument;
let newLayer = currentDocument.layers.add();
currentDocument.paste();

yikuansun

/* Make Firefox number inputs show/hide spinner arrows like in Chrome */

input[type=number] {
    -moz-appearance: textfield;
}

input[type=number]:hover {
    -moz-appearance: revert!important;
}

yikuansun

// uses Photopea.js
var addImageAndWait = async function(contentWindow, imgURI) {
    return new Promise(async function(resolve) {
        var layerCountOld = "done";
        while (layerCountOld == "done") layerCountOld = (await Photopea.runScript(contentWindow, `app.echoToOE(app.activeDocument.layers.length)`))[0];
        var layerCountNew = layerCountOld;
        await Photopea.runScript(contentWindow, `app.open("${imgURI}", null, true);`);
        var layerCheckInterval = async function () {
            layerCountNew = (await Photopea.runScript(contentWindow, `app.echoToOE(app.activeDocument.layers.length)`))[0];
            if (layerCountNew == layerCountOld + 1) {

yikuansun

Math.integrate = function(fn, a, b, deltaX = 0.0001) {
    var out = 0;
    for (var x = a; x < b; x += deltaX) out += deltaX * fn(x);
    return out;
};