Dev stuff

7/29/2024, 8:57:58 PM

Version vom 30.07.2024. Aktuellste Version

Dieses Skript sollte nicht direkt installiert werden. Es handelt sich hier um eine Bibliothek für andere Skripte, welche über folgenden Befehl in den Metadaten eines Skriptes eingebunden wird // @require https://update.greasyfork.org/scripts/502146/1419173/Dev%20stuff.js

// ==UserScript==
// @name        Dev stuff
// @namespace   Violentmonkey Scripts
// @match       https://*/*
// @grant       none
// @version     0.1
// @author      Shaun Mitchell <[email protected]>
// @description 7/29/2024, 8:57:58 PM
// @license     WTFPL
// ==/UserScript==

function mapToStyle(styles) {
  return Object.entries(styles)
    .map(([key, value]) => `${key}: ${value};`)
    .join(' ');
}

class Debugger {
    static name = "debugger";
    static level = "debug";
    static levels = ["debug", "info", "warn", "error"];
    static styles = {
        debug: {
            "color": "grey",
        },
        info: {
            "color": "cyan"
        },
        warn: {
            "color": "yellow",
            "font-weight": "bold"
        },
        error: {
            "background-color": "red",
            "color": "black",
            "font-weight": "bold",
            "font-size": "1.1em"
        }
    }

    static setLevel(level) {
        this.level = level;
    }

    static isValidLevel(level) {
        let cur_index = -1;
        let lvl_index = -1;

        for (let i = 0; i < this.levels.length; i++) {
            let l = this.levels[i];
            if (l == this.level) {
                cur_index = i;
            }
            if (l == level) {
                lvl_index = i;
            }
            if (cur_index > -1 && lvl_index > -1) {
                break;
            }
        }

        return lvl_index >= cur_index;
    }

    static log(level, ...args) {
        if (this.isValidLevel(level)) {
            const timestamp = new Date().toISOString().replace("T", " ").replace(/\..*/, "")
            const style = mapToStyle(this.styles[level]);
            console[level](`%c[${this.name}.${level} | ${timestamp}]`, style, ...args);
        }
    }

    static debug(...args) { this.log("debug", ...args) }
    static info(...args) { this.log("info", ...args) }
    static warn(...args) { this.log("warn", ...args) }
    static error(...args) { this.log("error", ...args) }
}

function debug(...args) { Debugger.debug(...args) }
function info(...args) { Debugger.info(...args) }
function warn(...args) { Debugger.warn(...args) }
function error(...args) { Debugger.error(...args) }

// attribution:
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Cyclic_object_value
function getCircularReplacer() {
    const ancestors = [];
    let i = 0;

    return function(key, value) {
        if (i % 100 === 99) {
            Debugger.debug("processing key", key);
        }
        if (typeof value !== "object" || value === null) {
            return value;
        }

        // `this` is the object that value is contained in,
        // i.e., its direct parent.
        while (ancestors.length > 0 && ancestors.at(-1) !== this) {
            ancestors.pop();
        }

        if (ancestors.includes(value)) {
            return "[Circular]";
        }

        ancestors.push(value);
        return value;
    };
}

function downloadObjectJSON(object, filename, indent) {
    const default_filename = "object-blob.js.json";
    const default_indent = 4;

    // Allow for intelligent argument parsing for, e.g.: `downloadObjectBlob(foo, indent=4)`
    args = [object, filename, indent];
    filename = undefined;
    indent = undefined;
    for (const arg of args) {
        switch (typeof arg) {
            case 'number':
                indent = arg;
                break;
            case 'string':
                filename = arg;
                break;
            case 'object':
                object = arg;
                break;
            case 'undefined':
                break;
            default:
                error(`error: unexpected type for ${arg}`);
                return null
        }
    }
    if (filename === undefined) { filename = default_filename }
    if (indent === undefined) { indent = default_indent }
    blob = new Blob([JSON.stringify(object, getCircularReplacer(), " ".repeat(indent))])
    debug(`blob=<Blob size=${blob.size}>, filename=${filename}, indent=${indent}`);
    var a = window.document.createElement('a');
    a.href = window.URL.createObjectURL(blob, {type: 'text/json'});
    a.download = filename;

    // Append anchor to body.
    document.body.appendChild(a);
    a.dispatchEvent(new MouseEvent('click'));

    // Remove anchor from body
    document.body.removeChild(a);
}

/* Export stuff */

unsafeWindow.mapToStyle = mapToStyle;
unsafeWindow.Debugger = Debugger;
unsafeWindow.getCircularReplacer = getCircularReplacer;
unsafeWindow.downloadObjectJSON = downloadObjectJSON;
unsafeWindow.debug = debug;
unsafeWindow.info = info;
unsafeWindow.warn = warn;
unsafeWindow.error = error;