93 lines
3.3 KiB
JavaScript
93 lines
3.3 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const utils_1 = require("../utils");
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const compat_1 = require("../utils/compat");
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exports.default = (0, utils_1.createRule)('no-trailing-spaces', {
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meta: {
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type: 'layout',
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docs: {
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description: 'disallow trailing whitespace at the end of lines',
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category: 'Extension Rules',
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recommended: false,
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extensionRule: 'no-trailing-spaces',
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conflictWithPrettier: true
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},
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fixable: 'whitespace',
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schema: [
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{
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type: 'object',
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properties: {
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skipBlankLines: { type: 'boolean' },
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ignoreComments: { type: 'boolean' }
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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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trailingSpace: 'Trailing spaces not allowed.'
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}
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},
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create(context) {
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const options = context.options[0];
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const skipBlankLines = options?.skipBlankLines || false;
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const ignoreComments = options?.ignoreComments || false;
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const sourceCode = (0, compat_1.getSourceCode)(context);
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const ignoreLineNumbers = new Set();
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if (ignoreComments) {
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for (const { type, loc } of sourceCode.getAllComments()) {
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const endLine = type === 'Block' ? loc.end.line - 1 : loc.end.line;
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for (let i = loc.start.line; i <= endLine; i++) {
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ignoreLineNumbers.add(i);
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}
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}
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}
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function report(loc) {
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context.report({
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loc,
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messageId: 'trailingSpace',
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fix(fixer) {
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return fixer.removeRange([
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sourceCode.getIndexFromLoc(loc.start),
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sourceCode.getIndexFromLoc(loc.end)
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]);
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}
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});
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}
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function collectIgnoreLineNumbers({ loc }) {
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const endLine = loc.end.line - 1;
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for (let i = loc.start.line; i <= endLine; i++) {
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ignoreLineNumbers.add(i);
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}
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}
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return {
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TemplateElement: collectIgnoreLineNumbers,
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...(ignoreComments
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? {
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SvelteHTMLComment: collectIgnoreLineNumbers
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}
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: {}),
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'Program:exit'() {
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const lines = sourceCode.lines;
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for (let lineIndex = 0; lineIndex < lines.length; lineIndex++) {
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const line = lines[lineIndex];
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if (skipBlankLines && !line.trim()) {
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continue;
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}
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const lineNumber = lineIndex + 1;
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if (ignoreLineNumbers.has(lineNumber)) {
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continue;
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}
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const trimmed = line.trimEnd();
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if (trimmed === line) {
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continue;
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}
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report({
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start: { line: lineNumber, column: trimmed.length },
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end: { line: lineNumber, column: line.length }
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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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