79 lines
3.4 KiB
Plaintext
79 lines
3.4 KiB
Plaintext
import { f as createRule, g as import_ast_utils, h as AST_TOKEN_TYPES } from "../utils.js";
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var comma_spacing_default = createRule({
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name: "comma-spacing",
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meta: {
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type: "layout",
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docs: { description: "Enforce consistent spacing before and after commas" },
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fixable: "whitespace",
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schema: [{
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type: "object",
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properties: {
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before: { type: "boolean" },
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after: { type: "boolean" }
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},
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additionalProperties: false
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}],
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defaultOptions: [{
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before: false,
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after: true
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}],
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messages: {
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unexpected: `There should be no space {{loc}} ','.`,
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missing: `A space is required {{loc}} ','.`
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}
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},
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create(context, [options]) {
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const { before: spaceBefore, after: spaceAfter } = options;
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const sourceCode = context.sourceCode;
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const tokensAndComments = sourceCode.tokensAndComments;
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const ignoredTokens = /* @__PURE__ */ new Set();
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function addNullElementsToIgnoreList(node) {
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let previousToken = sourceCode.getFirstToken(node);
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for (const element of node.elements) {
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let token;
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if (element == null) {
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token = sourceCode.getTokenAfter(previousToken);
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if (token && (0, import_ast_utils.isCommaToken)(token)) ignoredTokens.add(token);
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} else token = sourceCode.getTokenAfter(element);
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previousToken = token;
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}
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}
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function addTypeParametersTrailingCommaToIgnoreList(node) {
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const paramLength = node.params.length;
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if (paramLength) {
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const param = node.params[paramLength - 1];
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const afterToken = sourceCode.getTokenAfter(param);
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if (afterToken && (0, import_ast_utils.isCommaToken)(afterToken)) ignoredTokens.add(afterToken);
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}
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}
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function validateCommaSpacing(commaToken, prevToken, nextToken) {
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if (prevToken && (0, import_ast_utils.isTokenOnSameLine)(prevToken, commaToken) && spaceBefore !== sourceCode.isSpaceBetween(prevToken, commaToken)) context.report({
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node: commaToken,
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data: { loc: "before" },
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messageId: spaceBefore ? "missing" : "unexpected",
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fix: (fixer) => spaceBefore ? fixer.insertTextBefore(commaToken, " ") : fixer.replaceTextRange([prevToken.range[1], commaToken.range[0]], "")
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});
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if (nextToken && (0, import_ast_utils.isTokenOnSameLine)(commaToken, nextToken) && !(0, import_ast_utils.isClosingParenToken)(nextToken) && !(0, import_ast_utils.isClosingBracketToken)(nextToken) && !(0, import_ast_utils.isClosingBraceToken)(nextToken) && !(!spaceAfter && nextToken.type === AST_TOKEN_TYPES.Line) && spaceAfter !== sourceCode.isSpaceBetween(commaToken, nextToken)) context.report({
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node: commaToken,
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data: { loc: "after" },
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messageId: spaceAfter ? "missing" : "unexpected",
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fix: (fixer) => spaceAfter ? fixer.insertTextAfter(commaToken, " ") : fixer.replaceTextRange([commaToken.range[1], nextToken.range[0]], "")
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});
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}
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return {
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"ArrayExpression": addNullElementsToIgnoreList,
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"ArrayPattern": addNullElementsToIgnoreList,
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"TSTypeParameterDeclaration": addTypeParametersTrailingCommaToIgnoreList,
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"Program:exit": function() {
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tokensAndComments.forEach((token, i) => {
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if (!(0, import_ast_utils.isCommaToken)(token)) return;
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const prevToken = tokensAndComments[i - 1];
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const nextToken = tokensAndComments[i + 1];
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validateCommaSpacing(token, (0, import_ast_utils.isCommaToken)(prevToken) || ignoredTokens.has(token) ? null : prevToken, nextToken && (0, import_ast_utils.isCommaToken)(nextToken) || ignoredTokens.has(token) ? null : nextToken);
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});
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}
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};
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}
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});
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export { comma_spacing_default as t };
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