92 lines
2.7 KiB
Plaintext
92 lines
2.7 KiB
Plaintext
'use strict';
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var utils = require('../utils.js');
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require('eslint-visitor-keys');
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require('espree');
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require('estraverse');
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const messages = {
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noSpaceBefore: "There should be no space before '='",
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noSpaceAfter: "There should be no space after '='",
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needSpaceBefore: "A space is required before '='",
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needSpaceAfter: "A space is required after '='"
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};
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var jsxEqualsSpacing = utils.createRule({
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name: "jsx-equals-spacing",
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package: "jsx",
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meta: {
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type: "layout",
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docs: {
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description: "Enforce or disallow spaces around equal signs in JSX attributes"
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},
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fixable: "code",
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messages,
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schema: [
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{
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type: "string",
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enum: ["always", "never"]
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}
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]
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},
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create(context) {
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const config = context.options[0] || "never";
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return {
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JSXOpeningElement(node) {
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node.attributes.forEach((attrNode) => {
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if (!(attrNode.type !== "JSXSpreadAttribute" && attrNode.value !== null))
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return;
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const sourceCode = context.sourceCode;
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const equalToken = sourceCode.getTokenAfter(attrNode.name);
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const spacedBefore = sourceCode.isSpaceBetweenTokens(attrNode.name, equalToken);
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const spacedAfter = sourceCode.isSpaceBetweenTokens(equalToken, attrNode.value);
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if (config === "never") {
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if (spacedBefore) {
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context.report({
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node: attrNode,
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messageId: "noSpaceBefore",
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loc: equalToken.loc.start,
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fix(fixer) {
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return fixer.removeRange([attrNode.name.range[1], equalToken.range[0]]);
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}
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});
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}
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if (spacedAfter) {
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context.report({
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node: attrNode,
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messageId: "noSpaceAfter",
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loc: equalToken.loc.start,
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fix(fixer) {
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return fixer.removeRange([equalToken.range[1], attrNode.value.range[0]]);
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}
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});
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}
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} else if (config === "always") {
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if (!spacedBefore) {
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context.report({
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messageId: "needSpaceBefore",
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node: attrNode,
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loc: equalToken.loc.start,
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fix(fixer) {
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return fixer.insertTextBefore(equalToken, " ");
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}
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});
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}
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if (!spacedAfter) {
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context.report({
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node: attrNode,
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messageId: "needSpaceAfter",
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loc: equalToken.loc.start,
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fix(fixer) {
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return fixer.insertTextAfter(equalToken, " ");
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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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module.exports = jsxEqualsSpacing;
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