Function rawToPool has 80 lines of code (exceeds 25 allowed). Consider refactoring.

Open

let rawToPool = function (midiJson) {
    //console.debug(midiJson);
    let list = new TimedEvents();
    let upThis = this;
    let timeDiv = midiJson.timeDivision,

Function renderSect has a Cognitive Complexity of 21 (exceeds 5 allowed). Consider refactoring.

Open

let renderSect = function (data, offX, offY, boundX, boundY, pixelSize, isTwoByOne) {
    if (resourceViewer && data) {
        for (let i = 0; i < data.length; i ++) {
            let iX = i % data.width, iY = (i - iX) / data.width;
            if (iX < boundX && iY < boundY) {

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Function sysexBitmap has 63 lines of code (exceeds 25 allowed). Consider refactoring.

Open

let sysexBitmap = function (frameData, type = "xg", frameId = 0, noCopy) {
    if (!frameData?.length) {
        throw Error(`Blank frame data`);
    };
    // 0 for XG, 1 for GS, 2 for NS5R

Function sysexBitmap has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.

Open

let sysexBitmap = function (frameData, type = "xg", frameId = 0, noCopy) {
    if (!frameData?.length) {
        throw Error(`Blank frame data`);
    };
    // 0 for XG, 1 for GS, 2 for NS5R

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Function arrowGen has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.

Open

let arrowGen = function (charArr, value, border, unit) {
    let boundLow = border - (unit >> 1), boundHi = border + (unit >> 1);
    if (value > border) {
        for (let c = 0; value > border; c ++) {
            charArr[c] = (value < boundHi) ? "=" : ">";

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Function loadResource has 31 lines of code (exceeds 25 allowed). Consider refactoring.

Open

let loadResource = async () => {
    if (resourceBlob) {
        resourceViewer = new [MxBmDef, MxBm256, MxFont40, MxFont176][loadType.data]();
        await resourceViewer.load(resourceBlob);
        while (rsrcID.options.length > 0) {

Function gOpenSmf has 30 lines of code (exceeds 25 allowed). Consider refactoring.

Open

self.gOpenSmf = async function () {
    useMidiBus = false;
    let file = await fileOpen(propsMid);
    let fileSplit = file.name.lastIndexOf("."), ext = "";
    if (fileSplit > -1) {

Function renderImage has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.

Open

let renderImage = function () {
    if (resourceViewer && rsrcID.options.length > 0) {
        switch (rType.data) {
            case 0: {
                // Single render

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Function fileReadAs has 27 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    let fileReadAs = function (blob, target) {
        let reader = new FileReader();
        return new Promise((success, failure) => {
            reader.addEventListener("abort", () => {
                failure(new Error("Blob read aborted"));

Consider simplifying this complex logical expression.

Open

                if (document.fullscreen || document.mozFullscreen || document.webkitFullscreen) {
                    (document.exitFullscreen || document.mozExitFullscreen || document.webkitExitFullscreen).apply(document);
                } else {
                    let cc = $e(".cambiare");
                    (cc.requestFullscreen || cc.mozRequestFullscreen || cc.webkitRequestFullscreen).apply(cc);

Function renderSect has 7 arguments (exceeds 4 allowed). Consider refactoring.

Open

let renderSect = function (data, offX, offY, boundX, boundY, pixelSize, isTwoByOne) {

Function customInterpreter has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

let customInterpreter = function (type, file, rawMtLen) {
    let u8Data = [];
    let metaLength = rawMtLen == false ? file.readIntVLV() : rawMtLen;
    if (type == 0 || type == 127) {
        //metaLength = 1;

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Function replaceAll has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

    String.prototype.replaceAll = String.prototype.replaceAll || function (source, target) {
        let antiLoop = 0, maxSafe = 16;
        let indexFinder = this, indexes = [];
        while (antiLoop < maxSafe && indexFinder.lastIndexOf(source) > -1) {
            let index = indexFinder.lastIndexOf(source);

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