91 lines
2.3 KiB
JavaScript
91 lines
2.3 KiB
JavaScript
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/**
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* @fileoverview Disallow multiple spaces between inline JSX props
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* @author Adrian Moennich
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*/
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'use strict';
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const docsUrl = require('../util/docsUrl');
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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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docs: {
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description: 'Disallow multiple spaces between inline JSX props',
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category: 'Stylistic Issues',
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recommended: false,
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url: docsUrl('jsx-props-no-multi-spaces')
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},
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fixable: 'code',
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schema: []
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},
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create(context) {
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function getPropName(propNode) {
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switch (propNode.type) {
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case 'JSXSpreadAttribute':
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return context.getSourceCode().getText(propNode.argument);
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case 'JSXIdentifier':
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return propNode.name;
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case 'JSXMemberExpression':
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return `${getPropName(propNode.object)}.${propNode.property.name}`;
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default:
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return propNode.name.name;
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}
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}
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function checkSpacing(prev, node) {
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if (prev.loc.end.line !== node.loc.end.line) {
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return;
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}
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const between = context.getSourceCode().text.slice(prev.range[1], node.range[0]);
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if (between !== ' ') {
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context.report({
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node,
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message: `Expected only one space between "${getPropName(prev)}" and "${getPropName(node)}"`,
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fix(fixer) {
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return fixer.replaceTextRange([prev.range[1], node.range[0]], ' ');
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}
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});
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}
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}
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function containsGenericType(node) {
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const containsTypeParams = typeof node.typeParameters !== 'undefined';
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return containsTypeParams && node.typeParameters.type === 'TSTypeParameterInstantiation';
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}
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function getGenericNode(node) {
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const name = node.name;
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if (containsGenericType(node)) {
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const type = node.typeParameters;
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return Object.assign(
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{},
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node,
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{
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range: [
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name.range[0],
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type.range[1]
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]
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}
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);
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}
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return name;
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}
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return {
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JSXOpeningElement(node) {
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node.attributes.reduce((prev, prop) => {
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checkSpacing(prev, prop);
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return prop;
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}, getGenericNode(node));
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}
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};
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}
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};
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