109 lines
2.7 KiB
JavaScript
109 lines
2.7 KiB
JavaScript
/**
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* @fileoverview Rule to check for tabs inside a file
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* @author Gyandeep Singh
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* @deprecated in ESLint v8.53.0
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*/
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'use strict';
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//------------------------------------------------------------------------------
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// Helpers
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//------------------------------------------------------------------------------
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const tabRegex = /\t+/gu;
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const anyNonWhitespaceRegex = /\S/u;
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//------------------------------------------------------------------------------
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// Public Interface
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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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deprecated: {
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message: 'Formatting rules are being moved out of ESLint core.',
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url: 'https://eslint.org/blog/2023/10/deprecating-formatting-rules/',
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deprecatedSince: '8.53.0',
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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: 'no-tabs',
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url: 'https://eslint.style/rules/js/no-tabs',
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},
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},
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],
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},
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type: 'layout',
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docs: {
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description: 'Disallow all tabs',
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recommended: false,
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url: 'https://eslint.org/docs/latest/rules/no-tabs',
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},
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schema: [
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{
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type: 'object',
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properties: {
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allowIndentationTabs: {
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type: 'boolean',
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default: false,
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},
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},
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additionalProperties: false,
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},
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],
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messages: {
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unexpectedTab: 'Unexpected tab character.',
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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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const allowIndentationTabs =
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context.options &&
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context.options[0] &&
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context.options[0].allowIndentationTabs;
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return {
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Program(node) {
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sourceCode.getLines().forEach((line, index) => {
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let match;
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while ((match = tabRegex.exec(line)) !== null) {
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if (
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allowIndentationTabs &&
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!anyNonWhitespaceRegex.test(line.slice(0, match.index))
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) {
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continue;
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}
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context.report({
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node,
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loc: {
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start: {
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line: index + 1,
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column: match.index,
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},
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end: {
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line: index + 1,
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column: match.index + match[0].length,
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},
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},
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messageId: 'unexpectedTab',
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});
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}
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});
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},
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};
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},
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};
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