syphonx-core
Version:
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.
367 lines • 158 kB
JavaScript
"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;
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function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
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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; }
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if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
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_.trys.pop(); continue;
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}
};
var __rest = (this && this.__rest) || function (s, e) {
var t = {};
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
t[p] = s[p];
if (s != null && typeof Object.getOwnPropertySymbols === "function")
for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
t[p[i]] = s[p[i]];
}
return t;
};
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
if (ar || !(i in from)) {
if (!ar) ar = Array.prototype.slice.call(from, 0, i);
ar[i] = from[i];
}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.script = exports.invokeAsyncMethod = exports.expandTemplateUrl = exports.host = void 0;
var index_js_1 = require("./lib/index.js");
var index_js_2 = require("./package/lib/index.js");
var utilities_js_1 = require("./package/utilities.js");
var retryableErrorCodes = [
"ERR_TARGET_CLOSED",
"ERR_NAVIGATION",
"ERR_TIMEOUT"
];
function host(_a) {
var _b, _c, _d, _e, _f, _g, _h, _j, _k;
var _l = _a.maxYields, maxYields = _l === void 0 ? 1000 : _l, retries = _a.retries, retryDelay = _a.retryDelay, options = __rest(_a, ["maxYields", "retries", "retryDelay"]);
return __awaiter(this, void 0, void 0, function () {
function attemptRetryable(err) {
var code = createErrorCode(err);
if (retryableErrorCodes.includes(code)) {
state.vars.__metrics.retries += 1;
return true;
}
else {
return false;
}
}
var url, timer, params, timeout, waitUntil, originalUrl, _m, domain, origin, state, actions, attemptOptions, lastNavigationResult, navigationTimer, i, _loop_1, html, metrics;
var _this = this;
return __generator(this, function (_o) {
switch (_o.label) {
case 0:
if (!options.template)
throw new Error("template not specified");
url = options.url || options.template.url;
if (!url || typeof url !== "string")
throw new Error("url not specified");
if (!options.onNavigate)
throw new Error("onNavigate not defined");
if (!options.onExtract)
throw new Error("onExtract not defined");
timer = new index_js_2.Timer();
params = (0, index_js_2.merge)(options.template.params, options.params);
timeout = typeof options.template.timeout === "number" ? options.template.timeout * 1000 : undefined;
waitUntil = options.template.waitUntil;
url = expandTemplateUrl(url, params);
originalUrl = url;
_m = (0, index_js_2.parseUrl)(url), domain = _m.domain, origin = _m.origin;
state = __assign(__assign({}, options.template), { url: url, params: params, vars: {}, debug: options.debug || options.template.debug });
actions = (0, utilities_js_1.flattenTemplateActions)(options.template.actions);
state.vars.__metrics = {
navigate: 0,
retries: 0,
actions: actions.length
};
attemptOptions = {
retries: retries,
retryDelay: retryDelay
};
lastNavigationResult = {};
navigationTimer = new index_js_2.Timer();
return [4, (0, index_js_1.attempt)(function () { return __awaiter(_this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4, options.onNavigate({ url: url, timeout: timeout, waitUntil: waitUntil })];
case 1:
lastNavigationResult = _a.sent();
return [2];
}
});
}); }, attemptRetryable, attemptOptions)];
case 1:
_o.sent();
state.vars.__metrics.navigate += navigationTimer.elapsed();
state.vars.__status = lastNavigationResult === null || lastNavigationResult === void 0 ? void 0 : lastNavigationResult.status;
return [4, (0, index_js_1.attempt)(function () { return __awaiter(_this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4, options.onExtract(state, exports.script || global.script)];
case 1:
state = _a.sent();
return [2];
}
});
}); }, attemptRetryable, attemptOptions)];
case 2:
_o.sent();
i = 0;
_loop_1 = function () {
var obj, gobackTimer, err_1, _i, _p, locator, _q, _r, err_2, obj_1, renavigationTimer, obj, reloadTimer, err_3, err_4, err_5;
return __generator(this, function (_s) {
switch (_s.label) {
case 0:
if (!(((_b = state.yield.params) === null || _b === void 0 ? void 0 : _b.goback) && options.onGoback)) return [3, 5];
obj = {
timeout: state.yield.params.timeout || timeout,
waitUntil: state.yield.params.waitUntil || waitUntil
};
gobackTimer = new index_js_2.Timer();
_s.label = 1;
case 1:
_s.trys.push([1, 3, , 4]);
return [4, options.onGoback(obj)];
case 2:
lastNavigationResult = _s.sent();
return [3, 4];
case 3:
err_1 = _s.sent();
state.errors.push({ code: "host-error", message: "GOBACK ".concat(err_1 instanceof Error ? err_1.message : JSON.stringify(err_1)), level: 1 });
return [3, 4];
case 4:
state.vars.__metrics.navigate += gobackTimer.elapsed();
return [3, 33];
case 5:
if (!(((_c = state.yield.params) === null || _c === void 0 ? void 0 : _c.locators) && options.onLocator)) return [3, 12];
_i = 0, _p = state.yield.params.locators;
_s.label = 6;
case 6:
if (!(_i < _p.length)) return [3, 11];
locator = _p[_i];
if (!(((_d = locator.name) === null || _d === void 0 ? void 0 : _d.startsWith("_")) && locator.selector && locator.method)) return [3, 10];
_s.label = 7;
case 7:
_s.trys.push([7, 9, , 10]);
_q = state.vars;
_r = locator.name;
return [4, options.onLocator(locator)];
case 8:
_q[_r] = _s.sent();
return [3, 10];
case 9:
err_2 = _s.sent();
state.errors.push({ code: "host-error", message: "LOCATOR ".concat(JSON.stringify(locator), " ").concat(err_2 instanceof Error ? err_2.message : JSON.stringify(err_2)), level: 1 });
state.vars[locator.name] = null;
return [3, 10];
case 10:
_i++;
return [3, 6];
case 11: return [3, 33];
case 12:
if (!(((_e = state.yield.params) === null || _e === void 0 ? void 0 : _e.navigate) && options.onNavigate)) return [3, 15];
if (!state.yield.params.navigate.url) return [3, 14];
state.url = state.yield.params.navigate.url;
obj_1 = __assign(__assign({}, state.yield.params.navigate), { timeout: state.yield.params.timeout || timeout, waitUntil: state.yield.params.waitUntil || waitUntil });
renavigationTimer = new index_js_2.Timer();
return [4, (0, index_js_1.attempt)(function () { return __awaiter(_this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4, options.onNavigate(obj_1)];
case 1:
lastNavigationResult = _a.sent();
return [2];
}
});
}); }, attemptRetryable, attemptOptions)];
case 13:
_s.sent();
state.vars.__metrics.navigate += renavigationTimer.elapsed();
_s.label = 14;
case 14: return [3, 33];
case 15:
if (!(((_f = state.yield.params) === null || _f === void 0 ? void 0 : _f.reload) && options.onReload)) return [3, 20];
obj = {
timeout: state.yield.params.timeout || timeout,
waitUntil: state.yield.params.waitUntil || waitUntil
};
reloadTimer = new index_js_2.Timer();
_s.label = 16;
case 16:
_s.trys.push([16, 18, , 19]);
return [4, options.onReload(obj)];
case 17:
lastNavigationResult = _s.sent();
return [3, 19];
case 18:
err_3 = _s.sent();
state.errors.push({ code: "host-error", message: "RELOAD ".concat(err_3 instanceof Error ? err_3.message : JSON.stringify(err_3)), level: 1 });
return [3, 19];
case 19:
state.vars.__metrics.navigate += reloadTimer.elapsed();
return [3, 33];
case 20:
if (!(((_g = state.yield.params) === null || _g === void 0 ? void 0 : _g.screenshot) && options.onScreenshot)) return [3, 25];
_s.label = 21;
case 21:
_s.trys.push([21, 23, , 24]);
return [4, options.onScreenshot(state.yield.params.screenshot)];
case 22:
_s.sent();
return [3, 24];
case 23:
err_4 = _s.sent();
state.errors.push({ code: "host-error", message: "SCREENSHOT ".concat(state.yield.params.screenshot, " ").concat(err_4 instanceof Error ? err_4.message : JSON.stringify(err_4)), level: 1 });
return [3, 24];
case 24: return [3, 33];
case 25:
if (!(((_h = state.yield.params) === null || _h === void 0 ? void 0 : _h.waitUntil) && options.onYield)) return [3, 31];
return [4, (0, index_js_1.sleep)(1000)];
case 26:
_s.sent();
_s.label = 27;
case 27:
_s.trys.push([27, 29, , 30]);
return [4, options.onYield(state.yield.params)];
case 28:
_s.sent();
return [3, 30];
case 29:
err_5 = _s.sent();
state.errors.push({ code: "host-error", message: "YIELD ".concat(JSON.stringify(state.yield.params), " ").concat(err_5 instanceof Error ? err_5.message : JSON.stringify(err_5)), level: 1 });
return [3, 30];
case 30: return [3, 33];
case 31: return [4, (0, index_js_1.sleep)(1000)];
case 32:
_s.sent();
_s.label = 33;
case 33: return [4, (0, index_js_1.attempt)(function () { return __awaiter(_this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4, options.onExtract(state, exports.script || global.script)];
case 1:
state = _a.sent();
return [2];
}
});
}); }, attemptRetryable, attemptOptions)];
case 34:
_s.sent();
return [2];
}
});
};
_o.label = 3;
case 3:
if (!(state.yield && i++ < maxYields)) return [3, 5];
return [5, _loop_1()];
case 4:
_o.sent();
return [3, 3];
case 5:
html = "";
if (!(options.extractHtml && options.onHtml)) return [3, 7];
return [4, options.onHtml()];
case 6:
html = _o.sent();
_o.label = 7;
case 7:
metrics = state.vars.__metrics;
metrics.elapsed = timer.elapsed();
metrics.errors = (_k = (_j = state.errors) === null || _j === void 0 ? void 0 : _j.length) !== null && _k !== void 0 ? _k : 0;
return [2, __assign(__assign({}, state), { ok: state.errors ? state.errors.length === 0 : true, status: lastNavigationResult === null || lastNavigationResult === void 0 ? void 0 : lastNavigationResult.status, html: html, originalUrl: originalUrl, domain: domain, origin: origin, metrics: metrics, data: options.unwrap ? (0, index_js_1.unwrap)(state.data) : state.data, online: true })];
}
});
});
}
exports.host = host;
function expandTemplateUrl(url, params) {
if ((0, index_js_2.isFormula)(url))
url = encodeURI((0, index_js_1.evaluateFormula)(url.slice(1, -1), { params: params }));
return url;
}
exports.expandTemplateUrl = expandTemplateUrl;
function invokeAsyncMethod(obj, method, args) {
if (args === void 0) { args = []; }
return __awaiter(this, void 0, void 0, function () {
var fn, result;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
fn = obj[method];
if (!(typeof fn === "function")) return [3, 2];
return [4, fn.call.apply(fn, __spreadArray([obj], args, false))];
case 1:
result = _a.sent();
return [2, result];
case 2: return [2];
}
});
});
}
exports.invokeAsyncMethod = invokeAsyncMethod;
function createErrorCode(err) {
var message = "";
if (err instanceof Error)
message = err.message;
else if (typeof err === "string")
message = err;
else
message = JSON.stringify(err);
var code = (message.match(/ERR_[A-Z_]*/) || [])[0];
if (code)
return code;
else if (message.includes("Execution context was destroyed") || message.includes("Target closed") || message.includes("document.body is null"))
return "ERR_TARGET_CLOSED";
else if (message.toLowerCase().includes("timeout"))
return "ERR_TIMEOUT";
else if (message.toLowerCase().includes("navigation"))
return "ERR_NAVIGATION";
else
return "ERR_UNKNOWN";
}
exports.script = "(function (obj) {\n/*! jQuery v3.7.1 -ajax,-ajax/jsonp,-ajax/load,-ajax/script,-ajax/var/location,-ajax/var/nonce,-ajax/var/rquery,-ajax/xhr,-manipulation/_evalUrl,-deprecated/ajax-event-alias,-effects,-effects/animatedSelector,-effects/Tween | (c) OpenJS Foundation and other contributors | jquery.org/license */\n!function(e,t){\"use strict\";\"object\"==typeof module&&\"object\"==typeof module.exports?module.exports=e.document?t(e,!0):function(e){if(!e.document)throw new Error(\"jQuery requires a window with a document\");return t(e)}:t(e)}(\"undefined\"!=typeof window?window:this,function(ie,e){\"use strict\";var oe=[],r=Object.getPrototypeOf,ae=oe.slice,g=oe.flat?function(e){return oe.flat.call(e)}:function(e){return oe.concat.apply([],e)},s=oe.push,se=oe.indexOf,n={},i=n.toString,ue=n.hasOwnProperty,o=ue.toString,a=o.call(Object),le={},v=function(e){return\"function\"==typeof e&&\"number\"!=typeof e.nodeType&&\"function\"!=typeof e.item},y=function(e){return null!=e&&e===e.window},m=ie.document,u={type:!0,src:!0,nonce:!0,noModule:!0};function b(e,t,n){var r,i,o=(n=n||m).createElement(\"script\");if(o.text=e,t)for(r in u)(i=t[r]||t.getAttribute&&t.getAttribute(r))&&o.setAttribute(r,i);n.head.appendChild(o).parentNode.removeChild(o)}function x(e){return null==e?e+\"\":\"object\"==typeof e||\"function\"==typeof e?n[i.call(e)]||\"object\":typeof e}var t=\"3.7.1 -ajax,-ajax/jsonp,-ajax/load,-ajax/script,-ajax/var/location,-ajax/var/nonce,-ajax/var/rquery,-ajax/xhr,-manipulation/_evalUrl,-deprecated/ajax-event-alias,-effects,-effects/animatedSelector,-effects/Tween\",l=/HTML$/i,ce=function(e,t){return new ce.fn.init(e,t)};function c(e){var t=!!e&&\"length\"in e&&e.length,n=x(e);return!v(e)&&!y(e)&&(\"array\"===n||0===t||\"number\"==typeof t&&0<t&&t-1 in e)}function fe(e,t){return e.nodeName&&e.nodeName.toLowerCase()===t.toLowerCase()}ce.fn=ce.prototype={jquery:t,constructor:ce,length:0,toArray:function(){return ae.call(this)},get:function(e){return null==e?ae.call(this):e<0?this[e+this.length]:this[e]},pushStack:function(e){var t=ce.merge(this.constructor(),e);return t.prevObject=this,t},each:function(e){return ce.each(this,e)},map:function(n){return this.pushStack(ce.map(this,function(e,t){return n.call(e,t,e)}))},slice:function(){return this.pushStack(ae.apply(this,arguments))},first:function(){return this.eq(0)},last:function(){return this.eq(-1)},even:function(){return this.pushStack(ce.grep(this,function(e,t){return(t+1)%2}))},odd:function(){return this.pushStack(ce.grep(this,function(e,t){return t%2}))},eq:function(e){var t=this.length,n=+e+(e<0?t:0);return this.pushStack(0<=n&&n<t?[this[n]]:[])},end:function(){return this.prevObject||this.constructor()},push:s,sort:oe.sort,splice:oe.splice},ce.extend=ce.fn.extend=function(){var e,t,n,r,i,o,a=arguments[0]||{},s=1,u=arguments.length,l=!1;for(\"boolean\"==typeof a&&(l=a,a=arguments[s]||{},s++),\"object\"==typeof 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