spinjs
Version:
[](https://gitter.im/sysgears/spinjs?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) [ || function (thisArg, _arguments, P, generator) {
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) : new P(function (resolve) { resolve(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 (_) 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 });
var fetch = require("node-fetch");
var path = require("path");
var source_map_1 = require("source-map");
function createSourceMapConsumer(compiler, url, logger) {
return __awaiter(this, void 0, void 0, function () {
var response, sourceMap;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4, fetch(url)];
case 1:
response = _a.sent();
return [4, response.text()];
case 2:
sourceMap = _a.sent();
if (!sourceMap) {
logger.warn('Unable to find source map.');
return [2, null];
}
try {
return [2, new source_map_1.SourceMapConsumer(sourceMap)];
}
catch (err) {
logger.error('There was a problem reading the source map. :(');
return [2, null];
}
return [2];
}
});
});
}
function getRequestedFrames(req) {
if (typeof req.rawBody !== 'string') {
return null;
}
var stack;
try {
var payload = JSON.parse(req.rawBody);
stack = payload.stack;
}
catch (err) {
stack = null;
}
if (!stack) {
return null;
}
var newStack = stack.filter(function (stackLine) {
var methodName = stackLine.methodName;
var unwantedStackRegExp = new RegExp(/(__webpack_require__|haul|eval(JS){0,1})/);
if (unwantedStackRegExp.test(methodName)) {
return false;
}
var evalLine = methodName.indexOf('Object../');
if (evalLine > -1) {
var newMethodName = methodName.slice(evalLine + 9);
stackLine.methodName = newMethodName;
}
return true;
});
return newStack;
}
function create(compiler, logger) {
function symbolicateMiddleware(req, res, next) {
return __awaiter(this, void 0, void 0, function () {
var unconvertedFrames, filenameMatch, platformMatch, filename, platform, _a, name, rest, bundleName, consumer, root, convertedFrames, responseObject, response;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
if (req.path !== '/symbolicate') {
return [2, next()];
}
unconvertedFrames = getRequestedFrames(req);
if (!unconvertedFrames || unconvertedFrames.length === 0) {
return [2, next()];
}
filenameMatch = unconvertedFrames[0].file.match(/\/(\D+)\?/);
platformMatch = unconvertedFrames[0].file.match(/platform=([a-zA-Z]*)/);
filename = filenameMatch && filenameMatch[1];
platform = platformMatch && platformMatch[1];
if (!filename || !platform) {
return [2, next()];
}
_a = filename.split('.'), name = _a[0], rest = _a.slice(1);
bundleName = name + ".mobile." + rest[rest.length - 1];
return [4, createSourceMapConsumer(compiler, "http://localhost:" + req.headers.host.split(':')[1] + "/" + bundleName + ".map", logger)];
case 1:
consumer = _b.sent();
if (!consumer) {
return [2, next()];
}
root = compiler.options.context;
convertedFrames = unconvertedFrames.map(function (originalFrame) {
var lookup = consumer.originalPositionFor({
line: originalFrame.lineNumber,
column: originalFrame.column
});
if (lookup.source == null) {
return originalFrame;
}
var mappedFile = lookup.source
.replace('webpack:///~', path.resolve(root, 'node_modules'))
.replace('webpack://', root);
return {
lineNumber: lookup.line,
column: lookup.column,
file: mappedFile,
methodName: originalFrame.methodName
};
});
responseObject = {
stack: convertedFrames
};
response = JSON.stringify(responseObject);
res.end(response);
return [2, null];
}
});
});
}
return symbolicateMiddleware;
}
exports.default = create;
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