tslint-eslint-rules
Version:
Improve your TSLint with the missing ESLint Rules
70 lines (68 loc) • 5.99 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var ts = require("typescript");
var Lint = require("tslint");
var Rule = (function (_super) {
tslib_1.__extends(Rule, _super);
function Rule() {
return _super !== null && _super.apply(this, arguments) || this;
}
Rule.prototype.apply = function (sourceFile) {
var walker = new NoExtraSemiWalker(sourceFile, this.getOptions());
return this.applyWithWalker(walker);
};
Rule.FAILURE_STRING = 'unnecessary semicolon';
return Rule;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;
var NoExtraSemiWalker = (function (_super) {
tslib_1.__extends(NoExtraSemiWalker, _super);
function NoExtraSemiWalker() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.ALLOWED_PARENT_TYPES = [
ts.SyntaxKind.ForStatement,
ts.SyntaxKind.ForInStatement,
ts.SyntaxKind.ForOfStatement,
ts.SyntaxKind.WhileStatement,
ts.SyntaxKind.DoStatement
];
return _this;
}
NoExtraSemiWalker.prototype.visitNode = function (node) {
if (node.kind === ts.SyntaxKind.EmptyStatement) {
this.visitEmptyStatement(node);
}
_super.prototype.visitNode.call(this, node);
};
NoExtraSemiWalker.prototype.visitClassDeclaration = function (node) {
this.checkClass(node);
_super.prototype.visitClassDeclaration.call(this, node);
};
NoExtraSemiWalker.prototype.visitEmptyStatement = function (node) {
if (node.parent && this.ALLOWED_PARENT_TYPES.indexOf(node.parent.kind) === -1) {
this.validateNoExtraSemi(node);
}
};
NoExtraSemiWalker.prototype.checkClass = function (node) {
var indexOf = node.getChildren().map(function (child) { return child.kind; }).indexOf(ts.SyntaxKind.FirstPunctuation);
var children = node.getChildren().slice(indexOf);
this.checkClassChildren(children);
};
NoExtraSemiWalker.prototype.checkClassChildren = function (children) {
for (var _i = 0, children_1 = children; _i < children_1.length; _i++) {
var child = children_1[_i];
if ((child.kind === ts.SyntaxKind.SyntaxList || child.kind === ts.SyntaxKind.SemicolonClassElement) && child.getText() === ';') {
this.validateNoExtraSemi(child);
}
else if (child.kind === ts.SyntaxKind.SyntaxList && child.getText().indexOf(';') !== -1) {
this.checkClassChildren(child.getChildren());
}
}
};
NoExtraSemiWalker.prototype.validateNoExtraSemi = function (node) {
this.addFailure(this.createFailure(node.getStart(), node.getWidth(), Rule.FAILURE_STRING));
};
return NoExtraSemiWalker;
}(Lint.RuleWalker));
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