Crittercism's JS lib for logging errors/exceptions

crittercismClientLibraryMin.js

var Crittercism = function () {
    function l(a) {
        var a = a || {
            guess: !0
        }, b = a.e || null,
            a = !! a.guess,
            c = new l.implementation,
            b = c.run(b);
        return a ? c.guessAnonymousFunctions(b) : b
    }
    var k = null,
        B = null,
        m = !1,
        i = function () {
            try {
                return "localStorage" in window && null !== window.localStorage
            } catch (a) {
                return !1
            }
        }, n = function () {
            i() && (localStorage["Crittercism.last_seen"] = (new Date).toString())
        }, C = function () {
            var a = localStorage.getItem("Crittercism.last_seen");
            if (a) try {
                    return new Date(a)
            } catch (b) {
                return null
            } else return null
        }, t = function () {
            if (i()) try {
                    return localStorage.getItem("Crittercism.did")
            } catch (a) {
                return ""
            } else return ""
        },
        j = null,
        q = !1,
        r = [],
        w = 0,
        u = function (a) {
            q ? j.postMessage(a, "*") : r.push(a)
        }, D = function () {
            for (; message = r.pop();) j.postMessage(message, "*")
        }, o = function (a) {
            switch (a.data.type) {
            case "iframeSyn":
                j = a.source;
                j.postMessage({
                    type: "clientSynAck"
                }, "*");
                break;
            case "iframeSynAck":
                j = a.source;
                j.postMessage({
                    type: "clientAck"
                }, "*");
                q = !0;
                D();
                break;
            case "iframeAck":
                q = !0;
                D();
                break;
            case "setDeviceId":
                a = a.data.contents.deviceId, i() && localStorage.setItem("Crittercism.did", a)
            }
        };
    "undefined" === typeof inTest && window.addEventListener("message",
        o, !1);
    document.getElementById("crittercism_iframe") && (j = document.getElementById("crittercism_iframe"), j.postMessage({
        type: "clientSyn"
    }, "*"));
    l.implementation = function () {};
    l.implementation.prototype = {
        run: function (a, b) {
            a = a || this.createException();
            b = b || this.mode(a);
            return b === "other" ? this.other(arguments.callee) : this[b](a)
        },
        createException: function () {
            try {
                this.undef()
            } catch (a) {
                return a
            }
        },
        mode: function (a) {
            return a.arguments && a.stack ? "chrome" : typeof a.message === "string" && typeof window !== "undefined" && window.opera ? !a.stacktrace || a.message.indexOf("\n") > -1 && a.message.split("\n").length > a.stacktrace.split("\n").length ? "opera9" : !a.stack ? "opera10a" : a.stacktrace.indexOf("called from line") < 0 ? "opera10b" : "opera11" : a.stack ? "firefox" : "other"
        },
        instrumentFunction: function (a, b, c) {
            var a = a || window,
                d = a[b];
            a[b] = function () {
                c.call(this, l().slice(4));
                return a[b]._instrumented.apply(this, arguments)
            };
            a[b]._instrumented = d
        },
        deinstrumentFunction: function (a, b) {
            if (a[b].constructor === Function && a[b]._instrumented && a[b]._instrumented.constructor ===
                Function) a[b] = a[b]._instrumented
        },
        chrome: function (a) {
            a = (a.stack + "\n").replace(/^\S[^\(]+?[\n$]/gm, "").replace(/^\s+(at eval )?at\s+/gm, "").replace(/^([^\(]+?)([\n$])/gm, "{anonymous}()@$1$2").replace(/^Object.<anonymous>\s*\(([^\)]+)\)/gm, "{anonymous}()@$1").split("\n");
            a.pop();
            return a
        },
        firefox: function (a) {
            return a.stack.replace(/(?:\n@:0)?\s+$/m, "").replace(/^\(/gm, "{anonymous}(").split("\n")
        },
        opera11: function (a) {
            for (var b = /^.*line (\d+), column (\d+)(?: in (.+))? in (\S+):$/, a = a.stacktrace.split("\n"),
                    c = [], d = 0, f = a.length; d < f; d = d + 2) {
                var e = b.exec(a[d]);
                if (e) {
                    var g = e[4] + ":" + e[1] + ":" + e[2],
                        e = e[3] || "global code",
                        e = e.replace(/<anonymous function: (\S+)>/, "$1").replace(/<anonymous function>/, "{anonymous}");
                    c.push(e + "@" + g + " -- " + a[d + 1].replace(/^\s+/, ""))
                }
            }
            return c
        },
        opera10b: function (a) {
            for (var b = /^(.*)@(.+):(\d+)$/, a = a.stacktrace.split("\n"), c = [], d = 0, f = a.length; d < f; d++) {
                var e = b.exec(a[d]);
                e && c.push((e[1] ? e[1] + "()" : "global code") + "@" + e[2] + ":" + e[3])
            }
            return c
        },
        opera10a: function (a) {
            for (var b = /Line (\d+).*script (?:in )?(\S+)(?:: In function (\S+))?$/i,
                    a = a.stacktrace.split("\n"), c = [], d = 0, f = a.length; d < f; d = d + 2) {
                var e = b.exec(a[d]);
                e && c.push((e[3] || "{anonymous}") + "()@" + e[2] + ":" + e[1] + " -- " + a[d + 1].replace(/^\s+/, ""))
            }
            return c
        },
        opera9: function (a) {
            for (var b = /Line (\d+).*script (?:in )?(\S+)/i, a = a.message.split("\n"), c = [], d = 2, f = a.length; d < f; d = d + 2) {
                var e = b.exec(a[d]);
                e && c.push("{anonymous}()@" + e[2] + ":" + e[1] + " -- " + a[d + 1].replace(/^\s+/, ""))
            }
            return c
        },
        other: function (a) {
            for (var b = /function\s*([\w\-$]+)?\s*\(/i, c = [], d, f; a && a.arguments && c.length < 10;) {
                d = b.test(a.toString()) ?
                    RegExp.$1 || "{anonymous}" : "{anonymous}";
                f = Array.prototype.slice.call(a.arguments || []);
                c[c.length] = d + "(" + this.stringifyArguments(f) + ")";
                a = a.caller
            }
            return c
        },
        stringifyArguments: function (a) {
            for (var b = [], c = Array.prototype.slice, d = 0; d < a.length; ++d) {
                var f = a[d];
                f === void 0 ? b[d] = "undefined" : f === null ? b[d] = "null" : f.constructor && (f.constructor === Array ? b[d] = f.length < 3 ? "[" + this.stringifyArguments(f) + "]" : "[" + this.stringifyArguments(c.call(f, 0, 1)) + "..." + this.stringifyArguments(c.call(f, -1)) + "]" : f.constructor === Object ?
                    b[d] = "#object" : f.constructor === Function ? b[d] = "#function" : f.constructor === String ? b[d] = '"' + f + '"' : f.constructor === Number && (b[d] = f))
            }
            return b.join(",")
        },
        sourceCache: {},
        ajax: function (a) {
            var b = this.createXMLHTTPObject();
            if (b) try {
                    b.open("GET", a, false);
                    b.send(null);
                    return b.responseText
            } catch (c) {}
            return ""
        },
        createXMLHTTPObject: function () {
            for (var a, b = [function () {
                        return new XMLHttpRequest
                    }, function () {
                        return new ActiveXObject("Msxml2.XMLHTTP")
                    }, function () {
                        return new ActiveXObject("Msxml3.XMLHTTP")
                    }, function () {
                        return new ActiveXObject("Microsoft.XMLHTTP")
                    }
                ],
                    c = 0; c < b.length; c++) try {
                    a = b[c]();
                    this.createXMLHTTPObject = b[c];
                    return a
            } catch (d) {}
        },
        isSameDomain: function (a) {
            return typeof location !== "undefined" && a.indexOf(location.hostname) !== -1
        },
        getSource: function (a) {
            a in this.sourceCache || (this.sourceCache[a] = this.ajax(a).split("\n"));
            return this.sourceCache[a]
        },
        guessAnonymousFunctions: function (a) {
            for (var b = 0; b < a.length; ++b) {
                var c = /^(.*?)(?::(\d+))(?::(\d+))?(?: -- .+)?$/,
                    d = a[b],
                    f = /\{anonymous\}\(.*\)@(.*)/.exec(d);
                if (f) {
                    var e = c.exec(f[1]);
                    if (e) {
                        c = e[1];
                        f = e[2];
                        e = e[3] || 0;
                        if (c && this.isSameDomain(c) && f) {
                            c = this.guessAnonymousFunction(c, f, e);
                            a[b] = d.replace("{anonymous}", c)
                        }
                    }
                }
            }
            return a
        },
        guessAnonymousFunction: function (a, b) {
            var c;
            try {
                c = this.findFunctionName(this.getSource(a), b)
            } catch (d) {
                c = "getSource failed with url: " + a + ", exception: " + d.toString()
            }
            return c
        },
        findFunctionName: function (a, b) {
            for (var c = /function\s+([^(]*?)\s*\(([^)]*)\)/, d = /['"]?([0-9A-Za-z_]+)['"]?\s*[:=]\s*function\b/, f = /['"]?([0-9A-Za-z_]+)['"]?\s*[:=]\s*(?:eval|new Function)\b/, e = "", g, h = Math.min(b,
                    20), i, j = 0; j < h; ++j) {
                g = a[b - j - 1];
                i = g.indexOf("//");
                i >= 0 && (g = g.substr(0, i));
                if (g) {
                    e = g + e;
                    if ((g = d.exec(e)) && g[1]) return g[1];
                    if ((g = c.exec(e)) && g[1]) return g[1];
                    if ((g = f.exec(e)) && g[1]) return g[1]
                }
            }
            return "(?)"
        }
    };
    var E = function (a) {
        for (var b = [], c = [/^crittercismErrorHandler/i, /^printStackTrace/i], d = 0, f = a.length; d < f; d++) {
            for (var e = a[d], g = false, h = 0, i = c.length; h < i; h++) if (e.match(c[h])) {
                    g = true;
                    break
                }
            g || b.push(e)
        }
        return b
    }, F, h = {
            metadata: {}
        }, x = !1,
        y = function (a) {
            return typeof a == "undefined" || a == null || a == ""
        }, G = function () {
            battery =
                null;
            if (navigator.battery) battery = navigator.battery.level;
            else if (navigator.mozBattery) battery = navigator.mozBattery.level;
            else if (navigator.webkitBattery) battery = navigator.webkitBattery.level;
            return battery
        }, H = function () {
            u({
                type: "metadata",
                contents: {
                    app_id: k,
                    device_id: t(),
                    library_version: "pre",
                    device_name: "html5",
                    metadata: h.metadata
                }
            })
        }, J = function () {
            if (i()) try {
                    return JSON.parse(localStorage.getItem("Crittercism.app_state")) || {}
            } catch (a) {
                return h || {}
            } else return h || {}
        }, z = function () {
            var a = J();
            if (i()) {
                for (var b =
                    h, c = 0, d = 0; d < localStorage.length; d++) {
                    var f = localStorage.key(d),
                        c = c + f.length * 2;
                    y(localStorage.getItem(f)) || (c = c + localStorage.getItem(localStorage.key(d)).length * 2)
                }
                b.local_storage = c
            }
            G() && (a.battery_level = G());
            a.app_version = F;
            return a
        };
    window.onerror = function (a) {
        ++w;
        var b = E(l({
            e: a,
            guess: true
        }));
        u({
            type: "crash",
            contents: {
                app_id: k,
                app_state: z(),
                breadcrumbs: s,
                did: t(),
                exception_name: "Error",
                exception_reason: a,
                library_version: "pre",
                unsymbolized_stacktrace: b
            }
        });
        return true
    };
    var s;
    i() ? (o = localStorage.getItem("Crittercism.breadcrumbs") ||
        "[]", o = JSON.parse(o)) : o = [];
    s = {
        current_session: [],
        previous_session: o
    };
    var K = function () {
        function a(a) {
            return a < 10 ? "0" + a : a
        }
        var b = new Date;
        return b.getUTCFullYear() + "-" + a(b.getUTCMonth() + 1) + "-" + a(b.getUTCDate()) + "T" + a(b.getUTCHours()) + ":" + a(b.getUTCMinutes()) + ":" + a(b.getUTCSeconds()) + "Z"
    }, p = [],
        A = null,
        I = 21,
        v = null,
        L = function (a) {
            if (p.length < 20) {
                var b = a && typeof a.name == "string" ? a.name : "Unknown Exception (No name passed by caller)",
                    a = a && typeof a.message == "string" ? a.message : "Unknown Exception Reason (No reason passed by caller)",
                    c = E(l({
                        e: a,
                        guess: true
                    })),
                    b = {
                        type: "handled_exception",
                        contents: {
                            app_id: k,
                            hashed_device_id: t(),
                            library_version: "pre",
                            exceptions: [{
                                    library_version: "pre",
                                    exception_name: b,
                                    exception_reason: a,
                                    library_version: "pre",
                                    state: z(),
                                    unsymbolized_stacktrace: c
                                }
                            ]
                        }
                    };
                p.push(b)
            }
            return this
        };
    return {
        init: function (a) {
            m = true;
            k = a.appId;
            F = a.appVersion || "unspecified";
            B = a._iframeSrc || "https://api.crittercism.com/html5-static/html/iframe.html";
            if (document.getElementById("critterframe") == null) {
                a = document.createElement("iframe");
                a.id = "critterframe";
                a.src = B;
                a.style.display = "none";
                document.body.appendChild(a)
            }
            if (a = x == false) if (i()) a = (a = C()) ? new Date - a >= 18E5 ? true : false : true;
                else a = true;
            if (a) {
                u({
                    type: "appLoad",
                    contents: {
                        app_id: k,
                        did: t(),
                        library_version: "pre",
                        app_state: z()
                    }
                });
                x = true
            }
            n();
            return this
        },
        setMetadata: function (a) {
            if (m) {
                h.metadata.username && y(a.username) && (a.username = h.metadata.username);
                h.metadata = a;
                H()
            } else throw Error("Crittercism.init call required before setMetadata");
            n();
            return this
        },
        setValue: function (a, b) {
            if (m) {
                y(a) ||
                    (h.metadata[a] = b);
                H()
            } else throw Error("Crittercism.init call required before setValue");
            n();
            return this
        },
        setUsername: function (a) {
            if (m) h.metadata.username = a;
            else throw Error("Crittercism.init call required before setUsername");
            n();
            return this
        },
        logHandledException: function (a) {
            if (m) {
                L(a);
                var b = function () {
                    v = p.length;
                    v > 0 && u(p.pop());
                    A = v != 0 || I != 0 ? window.setTimeout(b, 2E4) : null;
                    I = v
                };
                A == null && b()
            } else throw Error("Crittercism.init call required before logHandledException");
            n();
            return this
        },
        leaveBreadcrumb: function (a) {
            if (m) if (typeof a ==
                    "string") {
                    s.current_session.push([a, K()]);
                    i() && (localStorage["Crittercism.breadcrumbs"] = JSON.stringify(s.current_session))
                } else throw Error("Invalid breadcrumb type; must be a string");
                else throw Error("Crittercism.init call required before leaveBreadcrumb");
            n();
            return this
        },
        _dumpState: function () {
            return {
                appId: k,
                appState: h,
                breadcrumbs: s,
                communicationReady: q,
                crashesRecorded: w,
                messageQueue: r.slice(),
                lastSeen: C(),
                handledExceptionQueue: p,
                exceptionSendTimer: A
            }
        },
        _reset: function () {
            x = q = k = false;
            h = {};
            r = []
        },
        _crashesRecorded: function () {
            return w
        },
        _resetQueues: function () {
            r = [];
            p = []
        }
    }
}();