@jawis/stdio-filter/console-filter-parser.js

Filter the stdio from console applications.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.makeAnsiParser = void 0;
const node_ansiparser_1 = __importDefault(require("node-ansiparser"));
const _jab_1 = require("^jab");
/**
 *
 */
const makeAnsiParser = (callbacks) => {
    const rawCallbacks = {
        inst_p: (str) => {
            (0, _jab_1.assert)((0, _jab_1.isString)(str));
            callbacks.onPrint(str);
        },
        inst_x: function (flag) {
            // C0 or C1 control codes: https://en.wikipedia.org/wiki/C0_and_C1_control_codes
            (0, _jab_1.assert)((0, _jab_1.isString)(flag));
            (0, _jab_1.assert)(flag.length === 1);
            // eslint-disable-next-line no-control-regex
            (0, _jab_1.assert)(flag.match(/^[\x00-\x1F\x80-\x9F]$/) !== null);
            switch (flag) {
                case "\x00":
                case "\t":
                    callbacks.onPrint(flag);
                    break;
                case "\r":
                    callbacks.onAction2("erase-to-beginning");
                    break;
                case "\n":
                    callbacks.onAction("down-beginning", 1);
                    break;
                default:
                    console.log("unknown control code", flag.charCodeAt(0));
                    break;
            }
        },
        /**
         *
         *
         * @see https://en.wikipedia.org/wiki/ANSI_escape_code#CSI_(Control_Sequence_Introducer)_sequences
         *
         * todo
         *  - it seems the defaults are not quite right.
         */
        inst_c: function (collected, params, flag) {
            (0, _jab_1.assert)(collected === "" || collected === "=" || collected === "?", "unknown", { collected }); // prettier-ignore
            switch (flag) {
                case "A":
                    (0, _jab_1.assert)(params.length === 1);
                    (0, _jab_1.assert)((0, _jab_1.isInt)(params[0]));
                    callbacks.onAction("up", params[0] === 0 ? 1 : params[0]);
                    break;
                case "B":
                    (0, _jab_1.assert)(params.length === 1);
                    (0, _jab_1.assert)((0, _jab_1.isInt)(params[0]));
                    callbacks.onAction("down", params[0] === 0 ? 1 : params[0]);
                    break;
                case "C":
                    (0, _jab_1.assert)(params.length === 1);
                    (0, _jab_1.assert)((0, _jab_1.isInt)(params[0]));
                    callbacks.onAction("right", params[0] === 0 ? 1 : params[0]);
                    break;
                case "D":
                    (0, _jab_1.assert)(params.length === 1);
                    (0, _jab_1.assert)((0, _jab_1.isInt)(params[0]));
                    callbacks.onAction("left", params[0] === 0 ? 1 : params[0]);
                    break;
                case "E":
                    (0, _jab_1.assert)(params.length === 1);
                    (0, _jab_1.assert)((0, _jab_1.isInt)(params[0]));
                    callbacks.onAction("down-beginning", params[0] === 0 ? 1 : params[0]);
                    break;
                case "F":
                    (0, _jab_1.assert)(params.length === 1);
                    (0, _jab_1.assert)((0, _jab_1.isInt)(params[0]));
                    callbacks.onAction("up-beginning", params[0] === 0 ? 1 : params[0]);
                    break;
                case "G":
                    //default is 1. Zero from parser is not valid.
                    (0, _jab_1.assert)(params.length === 1);
                    (0, _jab_1.assert)((0, _jab_1.isInt)(params[0]));
                    callbacks.setPosition(params[0] === 0 ? 1 : params[0]);
                    break;
                case "H": {
                    (0, _jab_1.assert)(params.length === 1 || params.length === 2);
                    const x = params[0] || 1; //turns both zero and undefined into default: 1
                    const y = params[1] || 1;
                    (0, _jab_1.assert)((0, _jab_1.isInt)(x));
                    (0, _jab_1.assert)((0, _jab_1.isInt)(y));
                    callbacks.setPosition(x, y);
                    break;
                }
                case "J":
                    throw new Error("clear display not supported");
                case "K":
                    //works
                    (0, _jab_1.assert)(params.length === 1);
                    switch (params[0]) {
                        case 0:
                            console.log("erase-to-end");
                            break;
                        case 1:
                            console.log("erase-to-beginning");
                            break;
                        case 2:
                            console.log("erase-line");
                            break;
                        default:
                            throw new Error("unknown param");
                    }
                    break;
                case "m": {
                    //params vary
                    const p = params.join(";");
                    console.log("\x1b[" + p + "m");
                    break;
                }
                case "S":
                case "T":
                    throw new Error("scroll not supported");
                default:
                    console.log("unknown csi", collected, params, flag);
                    break;
            }
        },
        inst_o: function (s) {
            console.log("unkonwn osc", s);
        },
        inst_e: function (collected, flag) {
            console.log("unknown esc", collected, flag);
        },
        inst_H: function (collected, params, flag) {
            console.log("dcs-Hook", collected, params, flag);
        },
        inst_P: function (dcs) {
            console.log("dcs-Put", dcs);
        },
        inst_U: function () {
            console.log("dcs-Unhook");
        },
    };
    return new node_ansiparser_1.default(rawCallbacks);
};
exports.makeAnsiParser = makeAnsiParser;