7/29/2024, 8:57:58 PM
此腳本不應該直接安裝，它是一個供其他腳本使用的函式庫。欲使用本函式庫，請在腳本 metadata 寫上： // @require https://update.greasyfork.org/scripts/502146/1435298/dev-stuff.js
// ==UserScript==
// @name Dev stuff
// @namespace Violentmonkey Scripts
// @match https://*/*
// @grant none
// @version 0.3
// @author Shaun Mitchell
// @description 7/29/2024, 8:57:58 PM
// ==/UserScript==
var circularCounter = 10000;
unsafeWindow.circularCounter = circularCounter;
function mapToStyle(styles) {
return Object.entries(styles)
.map(([key, value]) => `${key}: ${value};`)
.join(' ');
}
class Debugger {
// Set the default name to the name of the loaded script
static name = GM.info.script.name;
static level = "debug";
static levels = ["debug", "info", "warn", "error"];
static styles = {
debug: {
"color": "grey",
},
info: {
"color": "cyan"
},
warn: {
"color": "yellow",
"font-weight": "bold"
},
error: {
"background-color": "red",
"color": "black",
"font-weight": "bold",
"font-size": "1.1em"
}
}
static setLevel(level) {
this.level = level;
}
static isValidLevel(level) {
let cur_index = -1;
let lvl_index = -1;
for (let i = 0; i < this.levels.length; i++) {
let l = this.levels[i];
if (l == this.level) {
cur_index = i;
}
if (l == level) {
lvl_index = i;
}
if (cur_index > -1 && lvl_index > -1) {
break;
}
}
return lvl_index >= cur_index;
}
static log(level, ...args) {
if (this.isValidLevel(level)) {
const timestamp = new Date().toISOString().replace("T", " ").replace(/\..*/, "")
const style = mapToStyle(this.styles[level]);
console[level](`%c[${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) }
function getFunctionArgs(func) {
return func.toString().match(/[^)]+(\([^)]+\))/);
}
// attribution:
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Errors/Cyclic_object_value
function getCircularReplacer() {
const ancestors = [];
let i = 0;
Debugger.info("returning circular replacer");
return function(key, value) {
unsafeWindow.lastKey = key;
unsafeWindow.lastValue = value;
i += 1;
if (i % unsafeWindow.circularCounter === (unsafeWindow.circularCounter-1)) {
Debugger.info(`processing key ${i}`, key);
}
const valueType = typeof value;
if (valueType !== "object" || value === null) {
return value;
}
if (valueType === "function") {
console.info(`skipping function ${key}`);
return `[Function ${key}]`;
}
if (valueType === "object") {
const protoName = value.__proto__.constructor.name;
// Skip anything except arrays and associative arrays and ''
if (protoName !== "Object" && protoName !== "Array" && protoName !== '') {
console.info(`skipping object ${key} ${value.__proto__}`);
return `[${value.__proto__.constructor.name} ${key}]`
}
}
// `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 asyncStringify(str, indent) {
return new Promise((resolve, reject) => {
resolve(JSON.stringify(str, getCircularReplacer(), " ".repeat(indent)));
});
}
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 ${arg}`);
return null
}
}
if (filename === undefined) { filename = default_filename }
if (indent === undefined) { indent = default_indent }
asyncStringify(object, indent)
.then(function (text) {
downloadBlob(text, filename)
})
.catch(function (reason) {
unsafeWindow.reason = reason;
Debugger.error("download failed", reason);
})
}
function downloadBlob(text, filename) {
info(`downloading text=${text.length} bytes, filename=${filename}`)
blob = new Blob([text]);
debug(`blob=<Blob size=${blob.size}>, filename=${filename}`);
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.asyncStringify = asyncStringify;
unsafeWindow.downloadBlob = downloadBlob;
unsafeWindow.debug = debug;
unsafeWindow.info = info;
unsafeWindow.warn = warn;
unsafeWindow.error = error;
unsafeWindow.getFunctionArgs = getFunctionArgs;