74 lines
1.6 KiB
JavaScript
74 lines
1.6 KiB
JavaScript
/**
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* @fileoverview Rule to disallow empty static blocks.
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* @author Sosuke Suzuki
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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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hasSuggestions: true,
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type: "suggestion",
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docs: {
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description: "Disallow empty static blocks",
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recommended: true,
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url: "https://eslint.org/docs/latest/rules/no-empty-static-block",
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},
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schema: [],
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messages: {
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unexpected: "Unexpected empty static block.",
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suggestComment: "Add comment inside empty static block.",
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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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return {
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StaticBlock(node) {
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if (node.body.length === 0) {
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const openingBrace = sourceCode.getFirstToken(node, {
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skip: 1,
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});
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const closingBrace = sourceCode.getLastToken(node);
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if (
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sourceCode.getCommentsBefore(closingBrace).length === 0
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) {
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context.report({
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loc: {
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start: openingBrace.loc.start,
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end: closingBrace.loc.end,
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},
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messageId: "unexpected",
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suggest: [
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{
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messageId: "suggestComment",
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fix(fixer) {
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const range = [
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openingBrace.range[1],
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closingBrace.range[0],
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];
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return fixer.replaceTextRange(
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range,
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" /* empty */ ",
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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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},
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};
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},
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};
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