cowsay.ts

import * as cow from "./mod.ts"
import { parse } from "https://deno.land/std/flags/mod.ts";
import { IOptions } from "./src/models/IOptions.ts";

const opts = {
    string: [
        "text",
        "cow",
        "eyes",
        "tongue"
    ],
    boolean: [
        "wrap",
        "random",
        "think",
        "help",
        "list"
    ],
    alias: {
        random: "r",
        think: "k",
        wrap: "w",
        wrapLength: "wl",
        help: "h",
        text: "t",
        cow: "c",
        tongue: "g",
        mode: "m",
        eyes: "e",
        list: "ls"
    },
    default: {
        text: "Deno is great!",
        cow: "cow",
        eyes: "oo",
        tongue: "U",
        wrap: false,
        wrapLength: 40,
        mode: null,
        random: false,
        think: false,
        help: false,
        list: false
    }
}

const help = `
    arguments:
        --text       |   -t: Message Text [ex: --text="Hello world" ]
        --cow        |   -c: Cow image (default value is "cow") [ex: --cow="cat2" ]
        --mode       |   -m: Predefined eyes/tonges (from 1 to 8) [ex: --mode=3]
        --eyes       |   -e: Eyes of the image if exists (default: "oo") [ex: --eyes="@@" ]
        --tongue     |   -g: Tongue of the image (default: "U") [ex: --tongue="V" ]
        --random     |   -r: Pick random cow (default false) [ex: --random ]
        --think      |   -k: Use think insted of say (default false) [ex: --think ]
        --wrap       |   -w: Wrap the text (default false) [ex: --wrap ]
        --wrapLength | --wl: Where the message should be wrapped (default 40) [ex: --wrapLength=10 ]
        --list       | --ls: List the available cows

    example:
        deno -A https://raw.githubusercontent.com/fakoua/cowsay/master/cowsay.ts -t="Hello World" -r
        `;

async function main() {
    const args = Deno.args
    const argv = parse(args, opts)


    if (argv.help) {
        console.log(help)
        Deno.exit(0)
    }

    if (argv.list) {
        console.table(cow.list())
        Deno.exit(0)
    }

    let res = ""

    const options: IOptions = {
        text: argv.text,
        cow: argv.cow,
        eyes: argv.eyes,
        tongue: argv.tongue,
        wrap: argv.wrap,
        wrapLength: argv.wrapLength,
        random: argv.random,
        mode: argv.mode
    }

    if (argv.think) {
        res = cow.think(options)
    } else {
        res = cow.say(options)
    }

    console.log(res)
}

main()