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"use strict";
/**
* @license
* Copyright 2016 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 tsutils_1 = require("tsutils");
var ts = require("typescript");
var Lint = require("../index");
var Rule = (function (_super) {
tslib_1.__extends(Rule, _super);
function Rule() {
return _super !== null && _super.apply(this, arguments) || this;
}
Rule.prototype.apply = function (sourceFile) {
return this.applyWithFunction(sourceFile, walk);
};
return Rule;
}(Lint.Rules.AbstractRule));
/* tslint:disable:object-literal-sort-keys */
Rule.metadata = {
ruleName: "no-angle-bracket-type-assertion",
description: "Requires the use of `as Type` for type assertions instead of `<Type>`.",
hasFix: true,
rationale: (_a = ["\n Both formats of type assertions have the same effect, but only `as` type assertions\n work in `.tsx` files. This rule ensures that you have a consistent type assertion style\n across your codebase."], _a.raw = ["\n Both formats of type assertions have the same effect, but only \\`as\\` type assertions\n work in \\`.tsx\\` files. This rule ensures that you have a consistent type assertion style\n across your codebase."], Lint.Utils.dedent(_a)),
optionsDescription: "Not configurable.",
options: null,
optionExamples: [true],
type: "style",
typescriptOnly: true,
};
/* tslint:enable:object-literal-sort-keys */
Rule.FAILURE_STRING = "Type assertion using the '<>' syntax is forbidden. Use the 'as' syntax instead.";
exports.Rule = Rule;
function walk(ctx) {
return ts.forEachChild(ctx.sourceFile, function cb(node) {
if (tsutils_1.isTypeAssertion(node)) {
var start = node.getStart(ctx.sourceFile);
ctx.addFailure(start, node.end, Rule.FAILURE_STRING, [
Lint.Replacement.appendText(node.end, " as " + node.type.getText(ctx.sourceFile)),
Lint.Replacement.deleteFromTo(start, node.expression.getStart(ctx.sourceFile)),
]);
}
return ts.forEachChild(node, cb);
});
}
var _a;
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