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UtilInspectForBrowser

This is NodeJS's util.inspect ported to the browser for usability in other scripts.

此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.gf.qytechs.cn/scripts/450595/1088649/UtilInspectForBrowser.js 

  1. // Minified code is scary, so here is the full code for the `inspect` function.
  2. // Please note: Some function names etc. may seem odd, but the file is made realitivly small because of this. This module comes straight from NodeJS and was *compiled* for the browser.
  3. // This means I did not write this code myself (A compiler did!), it was simply compiled to work for the browser.
  4.  
  5. window.inspect = (() => {
  6.     function e(e, o) {
  7.         var c = {
  8.             seen: [],
  9.             stylize: t
  10.         };
  11.         return arguments.length >= 3 && (c.depth = arguments[2]), arguments.length >= 4 && (c.colors = arguments[3]), n(o) ? c.showHidden = o : o && b(c, o), r(c.showHidden) && (c.showHidden = !1), r(c.depth) && (c.depth = 2), r(c.colors) && (c.colors = !1), r(c.customInspect) && (c.customInspect = !0), c.colors && (c.stylize = i), d(c, e, c.depth)
  12.     }
  13.  
  14.     function t(e, t) {
  15.         return e
  16.     }
  17.  
  18.     function n(e) {
  19.         return "boolean" == typeof e
  20.     }
  21.  
  22.     function r(e) {
  23.         return void 0 === e
  24.     }
  25.  
  26.     function i(t, n) {
  27.         var r = e.styles[n];
  28.         return r ? "[" + e.colors[r][0] + "m" + t + "[" + e.colors[r][1] + "m" : t
  29.     }
  30.  
  31.     function o(e) {
  32.         return "function" == typeof e
  33.     }
  34.  
  35.     function c(e) {
  36.         return "string" == typeof e
  37.     }
  38.  
  39.     function u(e) {
  40.         return null === e
  41.     }
  42.  
  43.     function l(e, t) {
  44.         return Object.prototype.hasOwnProperty.call(e, t)
  45.     }
  46.  
  47.     function s(e) {
  48.         return a(e) && "[object RegExp]" === y(e)
  49.     }
  50.  
  51.     function a(e) {
  52.         return "object" == typeof e && null !== e
  53.     }
  54.  
  55.     function p(e) {
  56.         return a(e) && ("[object Error]" === y(e) || e instanceof Error)
  57.     }
  58.  
  59.     function f(e) {
  60.         return a(e) && "[object Date]" === y(e)
  61.     }
  62.  
  63.     function y(e) {
  64.         return Object.prototype.toString.call(e)
  65.     }
  66.  
  67.     function g(e) {
  68.         return "[" + Error.prototype.toString.call(e) + "]"
  69.     }
  70.  
  71.     function d(t, i, a) {
  72.         if (t.customInspect && i && o(i.inspect) && i.inspect !== e && (!i.constructor || i.constructor.prototype !== i)) {
  73.             var y = i.inspect(a, t);
  74.             return c(y) || (y = d(t, y, a)), y
  75.         }
  76.         var b = function(e, t) {
  77.             if (r(t)) return e.stylize("undefined", "undefined");
  78.             if (c(t)) {
  79.                 var i = "'" + JSON.stringify(t).replace(/^"|"$/g, "").replace(/'/g, "\\'").replace(/\\"/g, '"') + "'";
  80.                 return e.stylize(i, "string")
  81.             }
  82.             if (o = t, "number" == typeof o) return e.stylize("" + t, "number");
  83.             var o;
  84.             if (n(t)) return e.stylize("" + t, "boolean");
  85.             if (u(t)) return e.stylize("null", "null")
  86.         }(t, i);
  87.         if (b) return b;
  88.         var m = Object.keys(i),
  89.             v = function(e) {
  90.                 var t = {};
  91.                 return e.forEach((function(e, n) {
  92.                     t[e] = !0
  93.                 })), t
  94.             }(m);
  95.         try {
  96.             t.showHidden && Object.getOwnPropertyNames && (m = Object.getOwnPropertyNames(i))
  97.         } catch (e) {}
  98.         if (p(i) && (m.indexOf("message") >= 0 || m.indexOf("description") >= 0)) return g(i);
  99.         if (0 === m.length) {
  100.             if (o(i)) {
  101.                 var O = i.name ? ": " + i.name : "";
  102.                 return t.stylize("[Function" + O + "]", "special")
  103.             }
  104.             if (s(i)) return t.stylize(RegExp.prototype.toString.call(i), "regexp");
  105.             if (f(i)) return t.stylize(Date.prototype.toString.call(i), "date");
  106.             if (p(i)) return g(i)
  107.         }
  108.         var z, j = "",
  109.             w = !1,
  110.             S = ["{", "}"];
  111.         (Array.isArray(i) && (w = !0, S = ["[", "]"]), o(i)) && (j = " [Function" + (i.name ? ": " + i.name : "") + "]");
  112.         return s(i) && (j = " " + RegExp.prototype.toString.call(i)), f(i) && (j = " " + Date.prototype.toUTCString.call(i)), p(i) && (j = " " + g(i)), 0 !== m.length || w && 0 != i.length ? a < 0 ? s(i) ? t.stylize(RegExp.prototype.toString.call(i), "regexp") : t.stylize("[Object]", "special") : (t.seen.push(i), z = w ? function(e, t, n, r, i) {
  113.             for (var o = [], c = 0, u = t.length; c < u; ++c) l(t, String(c)) ? o.push(h(e, t, n, r, String(c), !0)) : o.push("");
  114.             return i.forEach((function(i) {
  115.                 i.match(/^\d+$/) || o.push(h(e, t, n, r, i, !0))
  116.             })), o
  117.         }(t, i, a, v, m) : m.map((function(e) {
  118.             return h(t, i, a, v, e, w)
  119.         })), t.seen.pop(), function(e, t, n) {
  120.             if (e.reduce((function(e, t) {
  121.                     return t.indexOf("\n") >= 0 && 0, e + t.replace(/\u001b\[\d\d?m/g, "").length + 1
  122.                 }), 0) > 60) return n[0] + ("" === t ? "" : t + "\n ") + " " + e.join(",\n  ") + " " + n[1];
  123.             return n[0] + t + " " + e.join(", ") + " " + n[1]
  124.         }(z, j, S)) : S[0] + j + S[1]
  125.     }
  126.  
  127.     function h(e, t, n, i, o, c) {
  128.         var s, a, p;
  129.         p = {
  130.             value: void 0
  131.         };
  132.         try {
  133.             p.value = t[o]
  134.         } catch (e) {}
  135.         try {
  136.             Object.getOwnPropertyDescriptor && (p = Object.getOwnPropertyDescriptor(t, o) || p)
  137.         } catch (e) {}
  138.         if (p.get ? a = p.set ? e.stylize("[Getter/Setter]", "special") : e.stylize("[Getter]", "special") : p.set && (a = e.stylize("[Setter]", "special")), l(i, o) || (s = "[" + o + "]"), a || (e.seen.indexOf(p.value) < 0 ? (a = u(n) ? d(e, p.value, null) : d(e, p.value, n - 1)).indexOf("\n") > -1 && (a = c ? a.split("\n").map((function(e) {
  139.                 return "  " + e
  140.             })).join("\n").substr(2) : "\n" + a.split("\n").map((function(e) {
  141.                 return "   " + e
  142.             })).join("\n")) : a = e.stylize("[Circular]", "special")), r(s)) {
  143.             if (c && o.match(/^\d+$/)) return a;
  144.             (s = JSON.stringify("" + o)).match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/) ? (s = s.substr(1, s.length - 2), s = e.stylize(s, "name")) : (s = s.replace(/'/g, "\\'").replace(/\\"/g, '"').replace(/(^"|"$)/g, "'"), s = e.stylize(s, "string"))
  145.         }
  146.         return s + ": " + a
  147.     }
  148.  
  149.     function b(e, t) {
  150.         if (!t || !a(t)) return e;
  151.         for (var n = Object.keys(t), r = n.length; r--;) e[n[r]] = t[n[r]];
  152.         return e
  153.     }
  154.     return e.colors = {
  155.         bold: [1, 22],
  156.         italic: [3, 23],
  157.         underline: [4, 24],
  158.         inverse: [7, 27],
  159.         white: [37, 39],
  160.         grey: [90, 39],
  161.         black: [30, 39],
  162.         blue: [34, 39],
  163.         cyan: [36, 39],
  164.         green: [32, 39],
  165.         magenta: [35, 39],
  166.         red: [31, 39],
  167.         yellow: [33, 39]
  168.     }, e.styles = {
  169.         special: "cyan",
  170.         number: "yellow",
  171.         boolean: "yellow",
  172.         undefined: "grey",
  173.         null: "bold",
  174.         string: "green",
  175.         date: "magenta",
  176.         regexp: "red"
  177.     }, e
  178. })();

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