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October 29, 2018 18:30
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A template literal tag for formatting templates in console outputs
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| let objconsole = new Proxy(function(strs, ...args) { | |
| let ret = strs.reduce((a, c, i) => { | |
| if(c) a.concat(c); | |
| if(i < args.length) a.concat(args[i]); | |
| return a; | |
| }, []); | |
| return ret; | |
| }, new Proxy({}, { | |
| get(handler, trapkey) { | |
| if(trapkey === "apply") { | |
| return undefined; | |
| } else if(trapkey === "get") { | |
| return function(target, name, ...args) { | |
| if(["debug", "info", "log", "warn", "error"].includes(name)) { | |
| return new Proxy(Reflect.get(console, name, ...args), { | |
| apply(target, thisArg, argumentsList) { | |
| args = ...argumentsList; | |
| console.debug("ARGS:", argumentsList, "-->", args);//XXX | |
| Reflect.apply(target, thisArg, args); | |
| } | |
| }); | |
| } | |
| return Reflect.get(console, name, ...args); | |
| } | |
| } | |
| return function(target, ...args) { | |
| return Reflect[trapkey](console, ...args); | |
| } | |
| } | |
| })); | |
| let objconsole = new Proxy(function(strs, ...args) { | |
| return strs.reduce((a, c, i) => { | |
| if(c) { | |
| let str = c; | |
| if(i > 0) str = str.replace(/^ /, ""); //Strip initial space if not first | |
| if(i < args.length) str = str.replace(/ $/, ""); //Strip trailing space if not last | |
| a = a.concat(str); | |
| } | |
| if(i < args.length) { | |
| a = a.concat([args[i]]); // Don't over-flatten | |
| } | |
| return a; | |
| }, []); | |
| }, new Proxy({}, { | |
| get(handler, trapkey) { | |
| if(trapkey === "apply") { | |
| return undefined; // Pass through to the wrapped function | |
| } else if(trapkey === "get") { | |
| return function(target, name, ...args) { // return custom log functions | |
| if(["debug", "info", "log", "warn", "error"].includes(name)) { | |
| return new Proxy(Reflect.get(console, name, ...args), { | |
| // Wrap and expand all arguments to create a single 1d array | |
| apply(target, thisArg, argumentsList) { | |
| args = [].concat(...argumentsList); | |
| Reflect.apply(target, thisArg, args); | |
| } | |
| }); | |
| } | |
| return Reflect.get(console, name, ...args); // Pass every other property request through to console | |
| } | |
| } | |
| return function(target, ...args) { // Pass everything else through to console | |
| return Reflect[trapkey](console, ...args); | |
| } | |
| } | |
| })); | |
| console.log(...objconsole`Hello ${{age:"old"}} world`); | |
| function func() {console.log("Dummy Function"); } | |
| console.log(...objconsole`What${"Happens"} when ${"there"}${" are"} many different types such as: | |
| numbers: ${1} | |
| objects: ${{aKey: "value", numKey: 2, funKey: func}} | |
| functions: ${func} | |
| strings: ${"alphabet"} | |
| templates: ${`${1} + 2 = ${1 + 2}`}?`) | |
| objconsole.warn(objconsole`Hello ${{age:"old"}} world`); | |
| objconsole.log(objconsole`Hello ${{age:"old"}} world`, objconsole`Another ${1} object: ${{key: 14}}`); | |
| objconsole.log(objconsole`Testing an array of ${[1,2,3,4,5]}`); | |
| objconsole.log(objconsole`Testing an array of ${[1,2,3,4,5]} and another of ${"abcd".split("")}`); |
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