tslint-react
Version:
Lint rules related to React & JSX for TSLint
97 lines (96 loc) • 4.3 kB
JavaScript
;
/**
* @license
* Copyright 2019 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.
*/
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __makeTemplateObject = (this && this.__makeTemplateObject) || function (cooked, raw) {
if (Object.defineProperty) { Object.defineProperty(cooked, "raw", { value: raw }); } else { cooked.raw = raw; }
return cooked;
};
Object.defineProperty(exports, "__esModule", { value: true });
var Lint = require("tslint");
var _3_0_1 = require("tsutils/typeguard/3.0");
var ts = require("typescript");
var RESERVED_ENTITY = " ";
var Rule = /** @class */ (function (_super) {
__extends(Rule, _super);
function Rule() {
return _super !== null && _super.apply(this, arguments) || this;
}
Rule.prototype.apply = function (sourceFile) {
return this.applyWithFunction(sourceFile, walk);
};
Rule.metadata = {
description: Lint.Utils.dedent(templateObject_1 || (templateObject_1 = __makeTemplateObject(["\n Warn if ' ' is used in JSX markup. Prefer {\" \"} over ' '\n "], ["\n Warn if ' ' is used in JSX markup. Prefer {\" \"} over ' '\n "]))),
optionExamples: ["true"],
options: null,
optionsDescription: "",
ruleName: "jsx-whitespace-literal",
type: "functionality",
typescriptOnly: false,
};
Rule.FAILURE_STRING = "Expected '{\" \"}' instead of ' ' in JSX markup";
return Rule;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;
function walk(ctx) {
return ts.forEachChild(ctx.sourceFile, function cb(node) {
if (_3_0_1.isJsxText(node)) {
var text = node.getText();
if (text.indexOf(RESERVED_ENTITY) > -1) {
var regex = new RegExp(RESERVED_ENTITY, "g");
var startIndices = [];
var endIndices_1 = [];
var countEnitiy = -1;
var result = regex.exec(text);
while (result !== null) {
if (startIndices[countEnitiy] !== undefined &&
endIndices_1[countEnitiy] !== undefined &&
startIndices[countEnitiy] + endIndices_1[countEnitiy] === result.index) {
endIndices_1[countEnitiy] = endIndices_1[countEnitiy] + RESERVED_ENTITY.length;
}
else {
startIndices.push(result.index);
endIndices_1.push(RESERVED_ENTITY.length);
countEnitiy += 1;
}
result = regex.exec(text);
}
startIndices.forEach(function (startIndex, index) {
var start = node.getStart() + startIndex;
var end = endIndices_1[index];
var spaces = " ".repeat(end / RESERVED_ENTITY.length);
var fix = Lint.Replacement.replaceFromTo(start, start + end, "{\"" + spaces + "\"}");
ctx.addFailureAt(start, end, Rule.FAILURE_STRING, fix);
});
}
}
return ts.forEachChild(node, cb);
});
}
var templateObject_1;