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