tv-remote-logger/test.js

remote transport console.log print message

function retrocycle($) {
    "use strict";
    var px = /^\$(?:\[(?:\d+|"(?:[^\\"\u0000-\u001f]|\\([\\"\/bfnrt]|u[0-9a-zA-Z]{4}))*")\])*$/;
    (function rez(value) {
        if (value && typeof value === "object") {
            if (Array.isArray(value)) {
                value.forEach(function (element, i) {
                    if (typeof element === "object" && element !== null) {
                        var path = element.$ref;
                        if (typeof path === "string" && px.test(path)) {
                            value[i] = eval(path);
                        } else {
                            rez(element);
                        }
                    }
                });
            } else {
                Object.keys(value).forEach(function (name) {
                    var item = value[name];
                    if (typeof item === "object" && item !== null) {
                        var path = item.$ref;
                        if (typeof path === "string" && px.test(path)) {
                            value[name] = eval(path);
                        } else {
                            rez(item);
                        }
                    }
                });
            }
        }
    }($));
    return $;
}

function decycle(object, replacer) {
    var objects = new Array();
    return (function derez(value, path) {
        var old_path;
        var nu;
        if (replacer !== undefined) {
            value = replacer(value);
        }
        if (
            typeof value === "object" && value !== null &&
            !(value instanceof Boolean) &&
            !(value instanceof Date) &&
            !(value instanceof Number) &&
            !(value instanceof RegExp) &&
            !(value instanceof String)
        ) {
            var tmp = objects.filter(function (item) {
                if (item.key === value) {
                    return item;
                }
            });
            old_path = tmp.length ? tmp[0].path : undefined;
            if (old_path !== undefined) {
                return {$ref: old_path};
            }
            objects.push({
                key: value,
                path: path
            });
            if (Array.isArray(value)) {
                nu = [];
                value.forEach(function (element, i) {
                    nu[i] = derez(element, path + "[" + i + "]");
                });
            } else {
                nu = {};
                Object.keys(value).forEach(function (name) {
                    nu[name] = derez(
                        value[name],
                        path + "[" + JSON.stringify(name) + "]"
                    );
                });
            }
            return nu;
        }
        return value;
    }(object, "$"));
}

var obj = {
    a: 10,
    b: 20,
    c: 30,
    e: {
        g: 30
    }
};
obj.d = obj;
obj.e.f = obj.e;
console.log('循环引用', obj);
console.log(decycle(obj));
console.log(retrocycle(decycle(obj)));