89 lines
3.7 KiB
JavaScript
89 lines
3.7 KiB
JavaScript
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"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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exports.Rule = void 0;
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var tslib_1 = require("tslib");
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var utils = require("tsutils");
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var ts = require("typescript");
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var Lint = require("../index");
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var OPTION_ALWAYS = "always-prefix";
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var OPTION_NEVER = "never-prefix";
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var Rule = /** @class */ (function (_super) {
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tslib_1.__extends(Rule, _super);
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function Rule() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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Rule.prototype.apply = function (sourceFile) {
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return this.applyWithFunction(sourceFile, walk, {
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never: this.ruleArguments.indexOf(OPTION_NEVER) !== -1,
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});
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};
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/* tslint:disable:object-literal-sort-keys */
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Rule.metadata = {
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ruleName: "interface-name",
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description: "Requires interface names to begin with a capital 'I'",
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rationale: "Makes it easy to differentiate interfaces from regular classes at a glance.",
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optionsDescription: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = tslib_1.__makeTemplateObject(["\n One of the following two options must be provided:\n\n * `\"", "\"` requires interface names to start with an \"I\"\n * `\"", "\"` requires interface names to not have an \"I\" prefix"], ["\n One of the following two options must be provided:\n\n * \\`\"", "\"\\` requires interface names to start with an \"I\"\n * \\`\"", "\"\\` requires interface names to not have an \"I\" prefix"])), OPTION_ALWAYS, OPTION_NEVER),
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options: {
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type: "string",
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enum: [OPTION_ALWAYS, OPTION_NEVER],
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},
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optionExamples: [[true, OPTION_ALWAYS], [true, OPTION_NEVER]],
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type: "style",
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typescriptOnly: true,
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};
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/* tslint:enable:object-literal-sort-keys */
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Rule.FAILURE_STRING = "interface name must start with a capitalized I";
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Rule.FAILURE_STRING_NO_PREFIX = 'interface name must not have an "I" prefix';
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return Rule;
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}(Lint.Rules.AbstractRule));
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exports.Rule = Rule;
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function walk(ctx) {
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var never = ctx.options.never;
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return ts.forEachChild(ctx.sourceFile, function cb(node) {
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if (utils.isInterfaceDeclaration(node)) {
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var name = node.name;
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if (!cantDecide(name.text)) {
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if (never && hasPrefixI(name.text)) {
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ctx.addFailureAtNode(name, Rule.FAILURE_STRING_NO_PREFIX);
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}
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else if (!never && !hasPrefixI(name.text)) {
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ctx.addFailureAtNode(name, Rule.FAILURE_STRING);
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}
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}
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}
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else {
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return ts.forEachChild(node, cb);
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}
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});
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}
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function hasPrefixI(name) {
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return name.length >= 3 && name[0] === "I" && /^[A-Z]*$/.test(name[1]);
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}
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function cantDecide(name) {
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return (
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// Case ID
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(name.length === 2 && name[0] === "I" && /^[A-Z]*$/.test(name[1])) ||
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// Case IDB or ID42
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(name.length >= 2 &&
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name[0] === "I" &&
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/^[A-Z]*$/.test(name[1]) &&
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!/^[a-z]*$/.test(name[2])));
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}
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var templateObject_1;
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