117 lines
3.9 KiB
JavaScript
117 lines
3.9 KiB
JavaScript
/**
|
|
* @fileoverview Rule to disallow whitespace before properties
|
|
* @author Kai Cataldo
|
|
* @deprecated in ESLint v8.53.0
|
|
*/
|
|
"use strict";
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Requirements
|
|
//------------------------------------------------------------------------------
|
|
|
|
const astUtils = require("./utils/ast-utils");
|
|
|
|
//------------------------------------------------------------------------------
|
|
// Rule Definition
|
|
//------------------------------------------------------------------------------
|
|
|
|
/** @type {import('../shared/types').Rule} */
|
|
module.exports = {
|
|
meta: {
|
|
deprecated: true,
|
|
replacedBy: [],
|
|
type: "layout",
|
|
|
|
docs: {
|
|
description: "Disallow whitespace before properties",
|
|
recommended: false,
|
|
url: "https://eslint.org/docs/latest/rules/no-whitespace-before-property"
|
|
},
|
|
|
|
fixable: "whitespace",
|
|
schema: [],
|
|
|
|
messages: {
|
|
unexpectedWhitespace: "Unexpected whitespace before property {{propName}}."
|
|
}
|
|
},
|
|
|
|
create(context) {
|
|
const sourceCode = context.sourceCode;
|
|
|
|
//--------------------------------------------------------------------------
|
|
// Helpers
|
|
//--------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Reports whitespace before property token
|
|
* @param {ASTNode} node the node to report in the event of an error
|
|
* @param {Token} leftToken the left token
|
|
* @param {Token} rightToken the right token
|
|
* @returns {void}
|
|
* @private
|
|
*/
|
|
function reportError(node, leftToken, rightToken) {
|
|
context.report({
|
|
node,
|
|
messageId: "unexpectedWhitespace",
|
|
data: {
|
|
propName: sourceCode.getText(node.property)
|
|
},
|
|
fix(fixer) {
|
|
let replacementText = "";
|
|
|
|
if (!node.computed && !node.optional && astUtils.isDecimalInteger(node.object)) {
|
|
|
|
/*
|
|
* If the object is a number literal, fixing it to something like 5.toString() would cause a SyntaxError.
|
|
* Don't fix this case.
|
|
*/
|
|
return null;
|
|
}
|
|
|
|
// Don't fix if comments exist.
|
|
if (sourceCode.commentsExistBetween(leftToken, rightToken)) {
|
|
return null;
|
|
}
|
|
|
|
if (node.optional) {
|
|
replacementText = "?.";
|
|
} else if (!node.computed) {
|
|
replacementText = ".";
|
|
}
|
|
|
|
return fixer.replaceTextRange([leftToken.range[1], rightToken.range[0]], replacementText);
|
|
}
|
|
});
|
|
}
|
|
|
|
//--------------------------------------------------------------------------
|
|
// Public
|
|
//--------------------------------------------------------------------------
|
|
|
|
return {
|
|
MemberExpression(node) {
|
|
let rightToken;
|
|
let leftToken;
|
|
|
|
if (!astUtils.isTokenOnSameLine(node.object, node.property)) {
|
|
return;
|
|
}
|
|
|
|
if (node.computed) {
|
|
rightToken = sourceCode.getTokenBefore(node.property, astUtils.isOpeningBracketToken);
|
|
leftToken = sourceCode.getTokenBefore(rightToken, node.optional ? 1 : 0);
|
|
} else {
|
|
rightToken = sourceCode.getFirstToken(node.property);
|
|
leftToken = sourceCode.getTokenBefore(rightToken, 1);
|
|
}
|
|
|
|
if (sourceCode.isSpaceBetweenTokens(leftToken, rightToken)) {
|
|
reportError(node, leftToken, rightToken);
|
|
}
|
|
}
|
|
};
|
|
}
|
|
};
|