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98 lines
2.9 KiB
98 lines
2.9 KiB
/** |
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* @fileoverview Enforce the location of first attribute |
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* @author Yosuke Ota |
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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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const utils = require('../utils') |
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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 location of first attribute', |
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categories: ['vue3-strongly-recommended', 'strongly-recommended'], |
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url: 'https://eslint.vuejs.org/rules/first-attribute-linebreak.html' |
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}, |
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fixable: 'whitespace', // or "code" or "whitespace" |
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schema: [ |
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{ |
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type: 'object', |
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properties: { |
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multiline: { enum: ['below', 'beside', 'ignore'] }, |
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singleline: { enum: ['below', 'beside', 'ignore'] } |
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}, |
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additionalProperties: false |
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} |
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], |
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messages: { |
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expected: 'Expected a linebreak before this attribute.', |
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unexpected: 'Expected no linebreak before this attribute.' |
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} |
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}, |
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/** @param {RuleContext} context */ |
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create(context) { |
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/** @type {"below" | "beside" | "ignore"} */ |
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const singleline = |
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(context.options[0] && context.options[0].singleline) || 'ignore' |
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/** @type {"below" | "beside" | "ignore"} */ |
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const multiline = |
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(context.options[0] && context.options[0].multiline) || 'below' |
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const template = |
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context.parserServices.getTemplateBodyTokenStore && |
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context.parserServices.getTemplateBodyTokenStore() |
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/** |
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* Report attribute |
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* @param {VAttribute | VDirective} firstAttribute |
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* @param { "below" | "beside"} location |
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*/ |
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function report(firstAttribute, location) { |
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context.report({ |
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node: firstAttribute, |
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messageId: location === 'beside' ? 'unexpected' : 'expected', |
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fix(fixer) { |
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const prevToken = template.getTokenBefore(firstAttribute, { |
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includeComments: true |
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}) |
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return fixer.replaceTextRange( |
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[prevToken.range[1], firstAttribute.range[0]], |
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location === 'beside' ? ' ' : '\n' |
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) |
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} |
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}) |
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} |
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return utils.defineTemplateBodyVisitor(context, { |
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VStartTag(node) { |
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const firstAttribute = node.attributes[0] |
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if (!firstAttribute) return |
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const lastAttribute = node.attributes[node.attributes.length - 1] |
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const location = |
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firstAttribute.loc.start.line === lastAttribute.loc.end.line |
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? singleline |
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: multiline |
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if (location === 'ignore') { |
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return |
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} |
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if (location === 'beside') { |
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if (node.loc.start.line === firstAttribute.loc.start.line) { |
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return |
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} |
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} else { |
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if (node.loc.start.line < firstAttribute.loc.start.line) { |
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return |
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} |
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} |
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report(firstAttribute, location) |
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} |
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}) |
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} |
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}
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