syphonx-core/dist/cjs/package/extract.js

SyphonX is a template-driven solution for extracting data from HTML in a highly efficient way. It combines the power of jQuery, Regular Expressions, and Javascript into a declarative template-driven format that extracts and reshapes HTML data into JSON.

"use strict";
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (g && (g = 0, op[0] && (_ = 0)), _) try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
                    _.trys.pop(); continue;
            }
            op = body.call(thisArg, _);
        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.extract = void 0;
var controller_js_1 = require("./controller.js");
var index_js_1 = require("./lib/index.js");
function extract(state) {
    var _a;
    return __awaiter(this, void 0, void 0, function () {
        var controller, err_1;
        return __generator(this, function (_b) {
            switch (_b.label) {
                case 0:
                    if (typeof ((_a = state === null || state === void 0 ? void 0 : state.vars) === null || _a === void 0 ? void 0 : _a.__instance) === "number")
                        state.vars.__instance += 1;
                    controller = new controller_js_1.Controller(state);
                    controller.log("ENTRY #".concat(controller.state.vars.__instance).concat(controller.online ? " ".concat(window.location.href) : ""));
                    controller.log("VARS ".concat(JSON.stringify(controller.state.vars)));
                    if (controller.state.unpatch) {
                        (0, index_js_1.unpatch)(controller.state.unpatch);
                        controller.log("UNPATCHED ".concat(controller.state.unpatch.join(", ")));
                    }
                    _b.label = 1;
                case 1:
                    _b.trys.push([1, 3, , 4]);
                    return [4, controller.run(controller.state.actions)];
                case 2:
                    _b.sent();
                    controller.log("EXIT");
                    return [3, 4];
                case 3:
                    err_1 = _b.sent();
                    if (err_1 === "YIELD") {
                        controller.log("YIELDING");
                    }
                    else if (err_1 === "STOP") {
                        controller.log("STOPPED");
                    }
                    else {
                        controller.appendError("fatal-error", err_1 instanceof Error ? err_1.message : JSON.stringify(err_1), 0, err_1 instanceof Error ? err_1.stack : undefined);
                    }
                    return [3, 4];
                case 4:
                    if (controller.online && state.debug)
                        window.postMessage({
                            direction: "syphonx",
                            message: __assign(__assign({}, controller.state), { key: "extract-state" })
                        });
                    if (state.unwrap && !state.yield)
                        controller.state.data = (0, index_js_1.unwrap)(controller.state.data);
                    return [2, controller.state];
            }
        });
    });
}
exports.extract = extract;
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