122 lines
6.0 KiB
JavaScript
122 lines
6.0 KiB
JavaScript
"use strict";
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/**
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* @license
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* Copyright 2013 Palantir Technologies, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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var fs = require("fs");
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var path = require("path");
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var configuration_1 = require("./configuration");
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var error_1 = require("./error");
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var utils_1 = require("./utils");
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var moduleDirectory = path.dirname(module.filename);
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var CORE_RULES_DIRECTORY = path.resolve(moduleDirectory, ".", "rules");
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var cachedRules = new Map();
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function loadRules(ruleOptionsList, rulesDirectories, isJs) {
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if (isJs === void 0) { isJs = false; }
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var rules = [];
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var notFoundRules = [];
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var notAllowedInJsRules = [];
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for (var _i = 0, ruleOptionsList_1 = ruleOptionsList; _i < ruleOptionsList_1.length; _i++) {
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var ruleOptions = ruleOptionsList_1[_i];
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if (ruleOptions.ruleSeverity === "off") {
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// Perf: don't bother finding the rule if it's disabled.
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continue;
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}
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var ruleName = ruleOptions.ruleName;
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var Rule = findRule(ruleName, rulesDirectories);
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if (Rule === undefined) {
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notFoundRules.push(ruleName);
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}
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else if (isJs && Rule.metadata !== undefined && Rule.metadata.typescriptOnly) {
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notAllowedInJsRules.push(ruleName);
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}
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else {
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var rule = new Rule(ruleOptions);
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if (rule.isEnabled()) {
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rules.push(rule);
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}
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if (Rule.metadata !== undefined && Rule.metadata.deprecationMessage !== undefined) {
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error_1.showWarningOnce(Rule.metadata.ruleName + " is deprecated. " + Rule.metadata.deprecationMessage);
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}
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}
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}
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if (notFoundRules.length > 0) {
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var warning = (_a = ["\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 "], _a.raw = ["\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 "], utils_1.dedent(_a, notFoundRules.join("\n ")));
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error_1.showWarningOnce(warning);
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}
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if (notAllowedInJsRules.length > 0) {
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var warning = (_b = ["\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 "], _b.raw = ["\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 "], utils_1.dedent(_b, notAllowedInJsRules.join("\n ")));
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error_1.showWarningOnce(warning);
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}
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if (rules.length === 0) {
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error_1.showWarningOnce("No valid rules have been specified");
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}
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return rules;
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var _a, _b;
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}
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exports.loadRules = loadRules;
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function findRule(name, rulesDirectories) {
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var camelizedName = transformName(name);
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// first check for core rules
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var Rule = loadCachedRule(CORE_RULES_DIRECTORY, camelizedName);
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return Rule !== undefined ? Rule :
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// then check for rules within the first level of rulesDirectory
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utils_1.find(utils_1.arrayify(rulesDirectories), function (dir) { return loadCachedRule(dir, camelizedName, true); });
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}
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exports.findRule = findRule;
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function transformName(name) {
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// camelize strips out leading and trailing underscores and dashes, so make sure they aren't passed to camelize
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// the regex matches the groups (leading underscores and dashes)(other characters)(trailing underscores and dashes)
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var nameMatch = name.match(/^([-_]*)(.*?)([-_]*)$/);
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if (nameMatch === null) {
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return name + "Rule";
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}
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return "" + nameMatch[1] + utils_1.camelize(nameMatch[2]) + nameMatch[3] + "Rule";
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}
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/**
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* @param directory - An absolute path to a directory of rules
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* @param ruleName - A name of a rule in filename format. ex) "someLintRule"
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*/
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function loadRule(directory, ruleName) {
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var fullPath = path.join(directory, ruleName);
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if (fs.existsSync(fullPath + ".js")) {
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var ruleModule = require(fullPath);
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if (ruleModule !== undefined) {
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return ruleModule.Rule;
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}
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}
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return "not-found";
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}
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function loadCachedRule(directory, ruleName, isCustomPath) {
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// use cached value if available
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var fullPath = path.join(directory, ruleName);
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var cachedRule = cachedRules.get(fullPath);
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if (cachedRule !== undefined) {
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return cachedRule === "not-found" ? undefined : cachedRule;
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}
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// get absolute path
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var absolutePath = directory;
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if (isCustomPath) {
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absolutePath = configuration_1.getRelativePath(directory);
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if (absolutePath !== undefined && !fs.existsSync(absolutePath)) {
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throw new error_1.FatalError("Could not find custom rule directory: " + directory);
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}
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}
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var Rule = absolutePath === undefined ? "not-found" : loadRule(absolutePath, ruleName);
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cachedRules.set(fullPath, Rule);
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return Rule === "not-found" ? undefined : Rule;
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}
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