96 lines
2.9 KiB
JavaScript
96 lines
2.9 KiB
JavaScript
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/**
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* @fileoverview A rule to ensure consistent quotes used in jsx syntax.
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* @author Mathias Schreck <https://github.com/lo1tuma>
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*/
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"use strict";
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//------------------------------------------------------------------------------
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// Requirements
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//------------------------------------------------------------------------------
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const astUtils = require("./utils/ast-utils");
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//------------------------------------------------------------------------------
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// Constants
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//------------------------------------------------------------------------------
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const QUOTE_SETTINGS = {
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"prefer-double": {
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quote: "\"",
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description: "singlequote",
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convert(str) {
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return str.replace(/'/gu, "\"");
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}
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},
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"prefer-single": {
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quote: "'",
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description: "doublequote",
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convert(str) {
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return str.replace(/"/gu, "'");
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}
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}
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};
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//------------------------------------------------------------------------------
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// Rule Definition
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//------------------------------------------------------------------------------
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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: "enforce the consistent use of either double or single quotes in JSX attributes",
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category: "Stylistic Issues",
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recommended: false,
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url: "https://eslint.org/docs/rules/jsx-quotes"
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},
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fixable: "whitespace",
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schema: [
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{
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enum: ["prefer-single", "prefer-double"]
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}
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],
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messages: {
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unexpected: "Unexpected usage of {{description}}."
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}
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},
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create(context) {
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const quoteOption = context.options[0] || "prefer-double",
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setting = QUOTE_SETTINGS[quoteOption];
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/**
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* Checks if the given string literal node uses the expected quotes
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* @param {ASTNode} node A string literal node.
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* @returns {boolean} Whether or not the string literal used the expected quotes.
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* @public
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*/
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function usesExpectedQuotes(node) {
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return node.value.indexOf(setting.quote) !== -1 || astUtils.isSurroundedBy(node.raw, setting.quote);
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}
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return {
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JSXAttribute(node) {
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const attributeValue = node.value;
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if (attributeValue && astUtils.isStringLiteral(attributeValue) && !usesExpectedQuotes(attributeValue)) {
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context.report({
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node: attributeValue,
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messageId: "unexpected",
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data: {
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description: setting.description
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},
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fix(fixer) {
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return fixer.replaceText(attributeValue, setting.convert(attributeValue.raw));
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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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