2025-04-19 23:12:19 -04:00

102 lines
2.8 KiB
JavaScript

/**
* @fileoverview Rule to check that spaced function application
* @author Matt DuVall <http://www.mattduvall.com>
* @deprecated in ESLint v3.3.0
*/
'use strict';
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
/** @type {import('../types').Rule.RuleModule} */
module.exports = {
meta: {
type: 'layout',
docs: {
description:
'Disallow spacing between function identifiers and their applications (deprecated)',
recommended: false,
url: 'https://eslint.org/docs/latest/rules/no-spaced-func',
},
deprecated: {
message: 'Formatting rules are being moved out of ESLint core.',
url: 'https://eslint.org/blog/2016/08/eslint-v3.3.0-released/#deprecated-rules',
deprecatedSince: '3.3.0',
availableUntil: '10.0.0',
replacedBy: [
{
message:
'ESLint Stylistic now maintains deprecated stylistic core rules.',
url: 'https://eslint.style/guide/migration',
plugin: {
name: '@stylistic/eslint-plugin-js',
url: 'https://eslint.style/packages/js',
},
rule: {
name: 'function-call-spacing',
url: 'https://eslint.style/rules/js/function-call-spacing',
},
},
],
},
fixable: 'whitespace',
schema: [],
messages: {
noSpacedFunction: 'Unexpected space between function name and paren.',
},
},
create(context) {
const sourceCode = context.sourceCode;
/**
* Check if open space is present in a function name
* @param {ASTNode} node node to evaluate
* @returns {void}
* @private
*/
function detectOpenSpaces(node) {
const lastCalleeToken = sourceCode.getLastToken(node.callee);
let prevToken = lastCalleeToken,
parenToken = sourceCode.getTokenAfter(lastCalleeToken);
// advances to an open parenthesis.
while (
parenToken &&
parenToken.range[1] < node.range[1] &&
parenToken.value !== '('
) {
prevToken = parenToken;
parenToken = sourceCode.getTokenAfter(parenToken);
}
// look for a space between the callee and the open paren
if (
parenToken &&
parenToken.range[1] < node.range[1] &&
sourceCode.isSpaceBetweenTokens(prevToken, parenToken)
) {
context.report({
node,
loc: lastCalleeToken.loc.start,
messageId: 'noSpacedFunction',
fix(fixer) {
return fixer.removeRange([prevToken.range[1], parenToken.range[0]]);
},
});
}
}
return {
CallExpression: detectOpenSpaces,
NewExpression: detectOpenSpaces,
};
},
};