first commit

app_vue/node_modules/eslint-plugin-vue/lib/rules/no-restricted-block.js

@@ -0,0 +1,126 @@
+/**
+ * @author Yosuke Ota
+ * See LICENSE file in root directory for full license.
+ */
+'use strict'
+
+const utils = require('../utils')
+const regexp = require('../utils/regexp')
+/**
+ * @typedef {object} ParsedOption
+ * @property { (block: VElement) => boolean } test
+ * @property {string} [message]
+ */
+
+/**
+ * @param {string} str
+ * @returns {(str: string) => boolean}
+ */
+function buildMatcher(str) {
+  if (regexp.isRegExp(str)) {
+    const re = regexp.toRegExp(str)
+    return (s) => {
+      re.lastIndex = 0
+      return re.test(s)
+    }
+  }
+  return (s) => s === str
+}
+/**
+ * @param {any} option
+ * @returns {ParsedOption}
+ */
+function parseOption(option) {
+  if (typeof option === 'string') {
+    const matcher = buildMatcher(option)
+    return {
+      test(block) {
+        return matcher(block.rawName)
+      }
+    }
+  }
+  const parsed = parseOption(option.element)
+  parsed.message = option.message
+  return parsed
+}
+
+module.exports = {
+  meta: {
+    type: 'suggestion',
+    docs: {
+      description: 'disallow specific block',
+      categories: undefined,
+      url: 'https://eslint.vuejs.org/rules/no-restricted-block.html'
+    },
+    fixable: null,
+    schema: {
+      type: 'array',
+      items: {
+        oneOf: [
+          { type: 'string' },
+          {
+            type: 'object',
+            properties: {
+              element: { type: 'string' },
+              message: { type: 'string', minLength: 1 }
+            },
+            required: ['element'],
+            additionalProperties: false
+          }
+        ]
+      },
+      uniqueItems: true,
+      minItems: 0
+    },
+
+    messages: {
+      // eslint-disable-next-line eslint-plugin/report-message-format
+      restrictedBlock: '{{message}}'
+    }
+  },
+  /** @param {RuleContext} context */
+  create(context) {
+    /** @type {ParsedOption[]} */
+    const options = context.options.map(parseOption)
+
+    const documentFragment =
+      context.parserServices.getDocumentFragment &&
+      context.parserServices.getDocumentFragment()
+
+    function getTopLevelHTMLElements() {
+      if (documentFragment) {
+        return documentFragment.children.filter(utils.isVElement)
+      }
+      return []
+    }
+
+    return {
+      /** @param {Program} node */
+      Program(node) {
+        if (utils.hasInvalidEOF(node)) {
+          return
+        }
+        for (const block of getTopLevelHTMLElements()) {
+          for (const option of options) {
+            if (option.test(block)) {
+              const message = option.message || defaultMessage(block)
+              context.report({
+                node: block.startTag,
+                messageId: 'restrictedBlock',
+                data: { message }
+              })
+              break
+            }
+          }
+        }
+      }
+    }
+
+    /**
+     * @param {VElement} block
+     */
+    function defaultMessage(block) {
+      return `Using \`<${block.rawName}>\` is not allowed.`
+    }
+  }
+}