@splunk/rum-cli
Version:
Tools for handling symbol and mapping files for symbolication
80 lines (79 loc) • 3.77 kB
JavaScript
;
/*
* Copyright Splunk Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
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 __asyncValues = (this && this.__asyncValues) || function (o) {
if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
var m = o[Symbol.asyncIterator], i;
return m ? m.call(o) : (o = typeof __values === "function" ? __values(o) : o[Symbol.iterator](), i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i);
function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }
function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.computeSourceMapId = computeSourceMapId;
const node_crypto_1 = require("node:crypto");
const filesystem_1 = require("../utils/filesystem");
const utils_1 = require("./utils");
/**
* sourceMapId is computed by hashing the contents of the ".map" file, and then
* formatting the hash to like a GUID.
*/
function computeSourceMapId(sourceMapFilePath, options) {
return __awaiter(this, void 0, void 0, function* () {
var _a, e_1, _b, _c;
const hash = (0, node_crypto_1.createHash)('sha256').setEncoding('hex');
try {
const fileStream = (0, filesystem_1.makeReadStream)(sourceMapFilePath);
try {
for (var _d = true, fileStream_1 = __asyncValues(fileStream), fileStream_1_1; fileStream_1_1 = yield fileStream_1.next(), _a = fileStream_1_1.done, !_a; _d = true) {
_c = fileStream_1_1.value;
_d = false;
const chunk = _c;
hash.update(chunk);
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (!_d && !_a && (_b = fileStream_1.return)) yield _b.call(fileStream_1);
}
finally { if (e_1) throw e_1.error; }
}
}
catch (e) {
(0, utils_1.throwJsMapFileReadError)(e, sourceMapFilePath, options);
}
const sha = hash.digest('hex');
return shaToSourceMapId(sha);
});
}
function shaToSourceMapId(sha) {
return [
sha.slice(0, 8),
sha.slice(8, 12),
sha.slice(12, 16),
sha.slice(16, 20),
sha.slice(20, 32),
].join('-');
}