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69 lines
1.9 KiB
69 lines
1.9 KiB
/**
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* @fileoverview enforce `v-for` directive's delimiter style
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* @author Flo Edelmann
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* @copyright 2020 Flo Edelmann. All rights reserved.
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* See LICENSE file in root directory for full license.
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*/
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'use strict'
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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 `v-for` directive's delimiter style",
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categories: undefined,
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recommended: false,
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url: 'https://eslint.vuejs.org/rules/v-for-delimiter-style.html'
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},
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fixable: 'code',
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schema: [{ enum: ['in', 'of'] }],
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messages: {
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expected:
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"Expected '{{preferredDelimiter}}' instead of '{{usedDelimiter}}' in 'v-for'."
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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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const preferredDelimiter =
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/** @type {string|undefined} */ (context.options[0]) || 'in'
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return utils.defineTemplateBodyVisitor(context, {
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/** @param {VForExpression} node */
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VForExpression(node) {
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const sourceCode = context.getSourceCode()
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const tokenStore =
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sourceCode.parserServices.getTemplateBodyTokenStore &&
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sourceCode.parserServices.getTemplateBodyTokenStore()
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const delimiterToken = /** @type {Token} */ (
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tokenStore.getTokenAfter(
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node.left.length > 0
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? node.left[node.left.length - 1]
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: tokenStore.getFirstToken(node),
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(token) => token.type !== 'Punctuator'
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)
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)
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if (delimiterToken.value === preferredDelimiter) {
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return
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}
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context.report({
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node,
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loc: node.loc,
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messageId: 'expected',
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data: {
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preferredDelimiter,
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usedDelimiter: delimiterToken.value
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},
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*fix(fixer) {
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yield fixer.replaceText(delimiterToken, preferredDelimiter)
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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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