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app_vue/node_modules/eslint-plugin-vue/lib/rules/html-quotes.js

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+/**
+ * @author Toru Nagashima
+ * @copyright 2017 Toru Nagashima. All rights reserved.
+ * See LICENSE file in root directory for full license.
+ */
+'use strict'
+
+// ------------------------------------------------------------------------------
+// Requirements
+// ------------------------------------------------------------------------------
+
+const utils = require('../utils')
+
+// ------------------------------------------------------------------------------
+// Rule Definition
+// ------------------------------------------------------------------------------
+
+module.exports = {
+  meta: {
+    type: 'layout',
+    docs: {
+      description: 'enforce quotes style of HTML attributes',
+      categories: ['vue3-strongly-recommended', 'strongly-recommended'],
+      url: 'https://eslint.vuejs.org/rules/html-quotes.html'
+    },
+    fixable: 'code',
+    schema: [
+      { enum: ['double', 'single'] },
+      {
+        type: 'object',
+        properties: {
+          avoidEscape: {
+            type: 'boolean'
+          }
+        },
+        additionalProperties: false
+      }
+    ]
+  },
+  /** @param {RuleContext} context */
+  create(context) {
+    const sourceCode = context.getSourceCode()
+    const double = context.options[0] !== 'single'
+    const avoidEscape =
+      context.options[1] && context.options[1].avoidEscape === true
+    const quoteChar = double ? '"' : "'"
+    const quoteName = double ? 'double quotes' : 'single quotes'
+    /** @type {boolean} */
+    let hasInvalidEOF
+
+    return utils.defineTemplateBodyVisitor(
+      context,
+      {
+        'VAttribute[value!=null]'(node) {
+          if (hasInvalidEOF) {
+            return
+          }
+
+          const text = sourceCode.getText(node.value)
+          const firstChar = text[0]
+
+          if (firstChar !== quoteChar) {
+            const quoted = firstChar === "'" || firstChar === '"'
+            if (avoidEscape && quoted) {
+              const contentText = text.slice(1, -1)
+              if (contentText.includes(quoteChar)) {
+                return
+              }
+            }
+
+            context.report({
+              node: node.value,
+              loc: node.value.loc,
+              message: 'Expected to be enclosed by {{kind}}.',
+              data: { kind: quoteName },
+              fix(fixer) {
+                const contentText = quoted ? text.slice(1, -1) : text
+
+                const fixToDouble =
+                  avoidEscape && !quoted && contentText.includes(quoteChar)
+                    ? double
+                      ? contentText.includes("'")
+                      : !contentText.includes('"')
+                    : double
+
+                const quotePattern = fixToDouble ? /"/g : /'/g
+                const quoteEscaped = fixToDouble ? '"' : '''
+                const fixQuoteChar = fixToDouble ? '"' : "'"
+
+                const replacement =
+                  fixQuoteChar +
+                  contentText.replace(quotePattern, quoteEscaped) +
+                  fixQuoteChar
+                return fixer.replaceText(node.value, replacement)
+              }
+            })
+          }
+        }
+      },
+      {
+        Program(node) {
+          hasInvalidEOF = utils.hasInvalidEOF(node)
+        }
+      }
+    )
+  }
+}