generic-utils.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getBinaryNodeMessages = exports.reduceBinaryNodeToDictionary = exports.assertNodeErrorFree = exports.getBinaryNodeChildUInt = exports.getBinaryNodeChildString = exports.getBinaryNodeChildBuffer = exports.getBinaryNodeChild = exports.getAllBinaryNodeChildren = exports.getBinaryNodeChildren = void 0;
const boom_1 = require("@hapi/boom");
const WAProto_1 = require("../../WAProto");
// some extra useful utilities
const getBinaryNodeChildren = (node, childTag) => {
    if (Array.isArray(node === null || node === void 0 ? void 0 : node.content)) {
        return node.content.filter(item => item.tag === childTag);
    }
    return [];
};
exports.getBinaryNodeChildren = getBinaryNodeChildren;
const getAllBinaryNodeChildren = ({ content }) => {
    if (Array.isArray(content)) {
        return content;
    }
    return [];
};
exports.getAllBinaryNodeChildren = getAllBinaryNodeChildren;
const getBinaryNodeChild = (node, childTag) => {
    if (Array.isArray(node === null || node === void 0 ? void 0 : node.content)) {
        return node === null || node === void 0 ? void 0 : node.content.find(item => item.tag === childTag);
    }
};
exports.getBinaryNodeChild = getBinaryNodeChild;
const getBinaryNodeChildBuffer = (node, childTag) => {
    var _a;
    const child = (_a = (0, exports.getBinaryNodeChild)(node, childTag)) === null || _a === void 0 ? void 0 : _a.content;
    if (Buffer.isBuffer(child) || child instanceof Uint8Array) {
        return child;
    }
};
exports.getBinaryNodeChildBuffer = getBinaryNodeChildBuffer;
const getBinaryNodeChildString = (node, childTag) => {
    var _a;
    const child = (_a = (0, exports.getBinaryNodeChild)(node, childTag)) === null || _a === void 0 ? void 0 : _a.content;
    if (Buffer.isBuffer(child) || child instanceof Uint8Array) {
        return Buffer.from(child).toString('utf-8');
    }
    else if (typeof child === 'string') {
        return child;
    }
};
exports.getBinaryNodeChildString = getBinaryNodeChildString;
const getBinaryNodeChildUInt = (node, childTag, length) => {
    const buff = (0, exports.getBinaryNodeChildBuffer)(node, childTag);
    if (buff) {
        return bufferToUInt(buff, length);
    }
};
exports.getBinaryNodeChildUInt = getBinaryNodeChildUInt;
const assertNodeErrorFree = (node) => {
    const errNode = (0, exports.getBinaryNodeChild)(node, 'error');
    if (errNode) {
        throw new boom_1.Boom(errNode.attrs.text || 'Unknown error', { data: +errNode.attrs.code });
    }
};
exports.assertNodeErrorFree = assertNodeErrorFree;
const reduceBinaryNodeToDictionary = (node, tag) => {
    const nodes = (0, exports.getBinaryNodeChildren)(node, tag);
    const dict = nodes.reduce((dict, { attrs }) => {
        dict[attrs.name || attrs.config_code] = attrs.value || attrs.config_value;
        return dict;
    }, {});
    return dict;
};
exports.reduceBinaryNodeToDictionary = reduceBinaryNodeToDictionary;
const getBinaryNodeMessages = ({ content }) => {
    const msgs = [];
    if (Array.isArray(content)) {
        for (const item of content) {
            if (item.tag === 'message') {
                msgs.push(WAProto_1.proto.WebMessageInfo.decode(item.content));
            }
        }
    }
    return msgs;
};
exports.getBinaryNodeMessages = getBinaryNodeMessages;
function bufferToUInt(e, t) {
    let a = 0;
    for (let i = 0; i < t; i++) {
        a = 256 * a + e[i];
    }
    return a;
}