tslint-eslint-rules
Version:
Improve your TSLint with the missing ESLint Rules
59 lines (57 loc) • 5.67 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var ts = require("typescript");
var Lint = require("tslint");
var OPTION_ALWAYS = 'always';
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 BlockSpacingWalker(sourceFile, this.getOptions());
return this.applyWithWalker(walker);
};
Rule.FAILURE_STRING = {
always: 'Requires a space',
never: 'Unexpected space(s)'
};
return Rule;
}(Lint.Rules.AbstractRule));
exports.Rule = Rule;
var BlockSpacingWalker = (function (_super) {
tslib_1.__extends(BlockSpacingWalker, _super);
function BlockSpacingWalker(sourceFile, options) {
var _this = _super.call(this, sourceFile, options) || this;
_this.always = _this.hasOption(OPTION_ALWAYS) || (_this.getOptions() && _this.getOptions().length === 0);
return _this;
}
BlockSpacingWalker.prototype.visitNode = function (node) {
if (node.kind === ts.SyntaxKind.Block || node.kind === ts.SyntaxKind.CaseBlock) {
this.checkSpacingInsideBraces(node);
}
_super.prototype.visitNode.call(this, node);
};
BlockSpacingWalker.prototype.checkSpacingInsideBraces = function (node) {
var blockChildren = node.getChildren();
var syntaxList = blockChildren[1];
var openBraceLocation = this.getStartPosition(blockChildren[0]);
var closeBraceLocation = this.getStartPosition(blockChildren[blockChildren.length - 1]);
if (syntaxList && syntaxList.getChildCount() > 0 && openBraceLocation.line === closeBraceLocation.line) {
if (this.isSpaceBetween(blockChildren[0], blockChildren[1]) !== this.always
|| this.isSpaceBetween(blockChildren[blockChildren.length - 2], blockChildren[blockChildren.length - 1]) !== this.always) {
var failureString = this.always ? Rule.FAILURE_STRING.always : Rule.FAILURE_STRING.never;
this.addFailure(this.createFailure(node.getStart(), node.getWidth(), failureString));
}
}
};
BlockSpacingWalker.prototype.isSpaceBetween = function (node, nextNode) {
return nextNode.getStart() - node.getEnd() > 0;
};
BlockSpacingWalker.prototype.getStartPosition = function (node) {
return node.getSourceFile().getLineAndCharacterOfPosition(node.getStart());
};
return BlockSpacingWalker;
}(Lint.RuleWalker));
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