--- /dev/null
+"use strict";
+/**
+ * @license
+ * Copyright 2013 Palantir Technologies, 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.
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+var tslib_1 = require("tslib");
+var fs = require("fs");
+var path = require("path");
+var error_1 = require("./error");
+var utils_1 = require("./utils");
+var CORE_RULES_DIRECTORY = path.resolve(__dirname, "rules");
+var cachedRules = new Map();
+function loadRules(ruleOptionsList, rulesDirectories, isJs) {
+ if (isJs === void 0) { isJs = false; }
+ var rules = [];
+ var notFoundRules = [];
+ var notAllowedInJsRules = [];
+ for (var _i = 0, ruleOptionsList_1 = ruleOptionsList; _i < ruleOptionsList_1.length; _i++) {
+ var ruleOptions = ruleOptionsList_1[_i];
+ if (ruleOptions.ruleSeverity === "off") {
+ // Perf: don't bother finding the rule if it's disabled.
+ continue;
+ }
+ var ruleName = ruleOptions.ruleName;
+ var Rule = findRule(ruleName, rulesDirectories);
+ if (Rule === undefined) {
+ notFoundRules.push(ruleName);
+ }
+ else if (isJs && Rule.metadata !== undefined && Rule.metadata.typescriptOnly) {
+ notAllowedInJsRules.push(ruleName);
+ }
+ else {
+ var rule = new Rule(ruleOptions);
+ if (rule.isEnabled()) {
+ rules.push(rule);
+ }
+ if (Rule.metadata !== undefined && Boolean(Rule.metadata.deprecationMessage)) {
+ error_1.showWarningOnce(Rule.metadata.ruleName + " is deprecated. " + Rule.metadata.deprecationMessage);
+ }
+ }
+ }
+ if (notFoundRules.length > 0) {
+ var warning = utils_1.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n Could not find implementations for the following rules specified in the configuration:\n ", "\n Try upgrading TSLint and/or ensuring that you have all necessary custom rules installed.\n If TSLint was recently upgraded, you may have old rules configured which need to be cleaned up.\n "], ["\n Could not find implementations for the following rules specified in the configuration:\n ", "\n Try upgrading TSLint and/or ensuring that you have all necessary custom rules installed.\n If TSLint was recently upgraded, you may have old rules configured which need to be cleaned up.\n "])), notFoundRules.join("\n "));
+ error_1.showWarningOnce(warning);
+ }
+ if (notAllowedInJsRules.length > 0) {
+ var warning = utils_1.dedent(templateObject_2 || (templateObject_2 = tslib_1.__makeTemplateObject(["\n Following rules specified in configuration couldn't be applied to .js or .jsx files:\n ", "\n Make sure to exclude them from \"jsRules\" section of your tslint.json.\n "], ["\n Following rules specified in configuration couldn't be applied to .js or .jsx files:\n ", "\n Make sure to exclude them from \"jsRules\" section of your tslint.json.\n "])), notAllowedInJsRules.join("\n "));
+ error_1.showWarningOnce(warning);
+ }
+ return rules;
+}
+exports.loadRules = loadRules;
+/** @internal private API */
+function findRule(name, rulesDirectories) {
+ var camelizedName = transformName(name);
+ // first check for core rules
+ var Rule = loadCachedRule(CORE_RULES_DIRECTORY, camelizedName);
+ return Rule !== undefined
+ ? Rule
+ : // then check for rules within the first level of rulesDirectory
+ utils_1.find(utils_1.arrayify(rulesDirectories), function (dir) { return loadCachedRule(dir, camelizedName, true); });
+}
+exports.findRule = findRule;
+function transformName(name) {
+ // camelize strips out leading and trailing underscores and dashes, so make sure they aren't passed to camelize
+ // the regex matches the groups (leading underscores and dashes)(other characters)(trailing underscores and dashes)
+ var nameMatch = name.match(/^([-_]*)(.*?)([-_]*)$/);
+ if (nameMatch === null) {
+ return name + "Rule";
+ }
+ return "" + nameMatch[1] + utils_1.camelize(nameMatch[2]) + nameMatch[3] + "Rule";
+}
+/**
+ * @param directory - An absolute path to a directory of rules
+ * @param ruleName - A name of a rule in filename format. ex) "someLintRule"
+ */
+function loadRule(directory, ruleName) {
+ var ruleFullPath;
+ try {
+ // Resolve using node's path resolution to allow developers to write custom rules in TypeScript which can be loaded by TS-Node
+ ruleFullPath = require.resolve(path.join(directory, ruleName));
+ }
+ catch (_a) {
+ return "not-found";
+ }
+ return require(ruleFullPath).Rule;
+}
+function loadCachedRule(directory, ruleName, isCustomPath) {
+ // use cached value if available
+ var fullPath = path.join(directory, ruleName);
+ var cachedRule = cachedRules.get(fullPath);
+ if (cachedRule !== undefined) {
+ return cachedRule === "not-found" ? undefined : cachedRule;
+ }
+ // treat directory as a relative path (which needs to be resolved) if it's a custom rule directory
+ var absolutePath = directory;
+ if (isCustomPath) {
+ absolutePath = path.resolve(directory);
+ if (!fs.existsSync(absolutePath)) {
+ throw new error_1.FatalError("Could not find custom rule directory: " + absolutePath);
+ }
+ }
+ var Rule = loadRule(absolutePath, ruleName);
+ cachedRules.set(fullPath, Rule);
+ return Rule === "not-found" ? undefined : Rule;
+}
+var templateObject_1, templateObject_2;
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