Files
codeql-action/lib/feature-flags.js
Henry Mercer 6d62c245ec Represent feature flags using an enum
Replaces the previous string literal type
2021-12-16 13:38:34 +00:00

91 lines
3.8 KiB
JavaScript
Generated

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.createFeatureFlags = exports.GitHubFeatureFlags = exports.FeatureFlag = void 0;
const api_client_1 = require("./api-client");
const util = __importStar(require("./util"));
var FeatureFlag;
(function (FeatureFlag) {
FeatureFlag["DatabaseUploadsEnabled"] = "database_uploads_enabled";
FeatureFlag["MlPoweredQueriesEnabled"] = "ml_powered_queries_enabled";
FeatureFlag["UploadsDomainEnabled"] = "uploads_domain_enabled";
})(FeatureFlag = exports.FeatureFlag || (exports.FeatureFlag = {}));
class GitHubFeatureFlags {
constructor(gitHubVersion, apiDetails, repositoryNwo, logger) {
this.gitHubVersion = gitHubVersion;
this.apiDetails = apiDetails;
this.repositoryNwo = repositoryNwo;
this.logger = logger;
}
async getValue(flag) {
const response = (await this.getApiResponse())[flag];
if (response === undefined) {
this.logger.debug(`Feature flag '${flag}' undefined in API response, considering it disabled.`);
return false;
}
return response;
}
async preloadFeatureFlags() {
await this.getApiResponse();
}
async getApiResponse() {
const loadApiResponse = async () => {
// Do nothing when not running against github.com
if (this.gitHubVersion.type !== util.GitHubVariant.DOTCOM) {
this.logger.debug("Not running against github.com. Disabling all feature flags.");
return {};
}
const client = (0, api_client_1.getApiClient)(this.apiDetails);
try {
const response = await client.request("GET /repos/:owner/:repo/code-scanning/codeql-action/features", {
owner: this.repositoryNwo.owner,
repo: this.repositoryNwo.repo,
});
return response.data;
}
catch (e) {
// Some feature flags, such as `ml_powered_queries_enabled` affect the produced alerts.
// Considering these feature flags disabled in the event of a transient error could
// therefore lead to alert churn. As a result, we crash if we cannot determine the value of
// the feature flags.
throw new Error(`Encountered an error while trying to load feature flags: ${e}`);
}
};
const apiResponse = this.cachedApiResponse || (await loadApiResponse());
this.cachedApiResponse = apiResponse;
return apiResponse;
}
}
exports.GitHubFeatureFlags = GitHubFeatureFlags;
/**
* Create a feature flags instance with the specified set of enabled flags.
*
* This should be only used within tests.
*/
function createFeatureFlags(enabledFlags) {
return {
getValue: async (flag) => {
return enabledFlags.includes(flag);
},
};
}
exports.createFeatureFlags = createFeatureFlags;
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