Add components

slider/node_modules/eslint-plugin-vue/lib/rules/no-boolean-default.js

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+/**
+ * @fileoverview Prevents boolean defaults from being set
+ * @author Hiroki Osame
+ */
+'use strict'
+
+const utils = require('../utils')
+
+/**
+ * @typedef {import('../utils').ComponentProp} ComponentProp
+ * @typedef {import('../utils').ComponentObjectProp} ComponentObjectProp
+ */
+
+/**
+ * @param {Expression|undefined} node
+ */
+function isBooleanIdentifier(node) {
+  return Boolean(node && node.type === 'Identifier' && node.name === 'Boolean')
+}
+
+/**
+ * Detects whether given prop node is a Boolean
+ * @param {ComponentObjectProp} prop
+ * @return {Boolean}
+ */
+function isBooleanProp(prop) {
+  const value = utils.skipTSAsExpression(prop.value)
+  return (
+    isBooleanIdentifier(value) ||
+    (value.type === 'ObjectExpression' &&
+      isBooleanIdentifier(utils.findProperty(value, 'type')?.value))
+  )
+}
+
+/**
+ * @param {ObjectExpression} propDefValue
+ */
+function getDefaultNode(propDefValue) {
+  return utils.findProperty(propDefValue, 'default')
+}
+
+module.exports = {
+  meta: {
+    type: 'suggestion',
+    docs: {
+      description: 'disallow boolean defaults',
+      categories: undefined,
+      url: 'https://eslint.vuejs.org/rules/no-boolean-default.html'
+    },
+    fixable: null,
+    schema: [
+      {
+        enum: ['default-false', 'no-default']
+      }
+    ],
+    messages: {
+      noBooleanDefault:
+        'Boolean prop should not set a default (Vue defaults it to false).',
+      defaultFalse: 'Boolean prop should only be defaulted to false.'
+    }
+  },
+  /** @param {RuleContext} context */
+  create(context) {
+    const booleanType = context.options[0] || 'no-default'
+    /**
+     * @param {ComponentProp} prop
+     * @param {(propName: string) => Expression[]} otherDefaultProvider
+     */
+    function processProp(prop, otherDefaultProvider) {
+      if (prop.type === 'object') {
+        if (!isBooleanProp(prop)) {
+          return
+        }
+        if (prop.value.type === 'ObjectExpression') {
+          const defaultNode = getDefaultNode(prop.value)
+          if (defaultNode) {
+            verifyDefaultExpression(defaultNode.value)
+          }
+        }
+        if (prop.propName != null) {
+          for (const defaultNode of otherDefaultProvider(prop.propName)) {
+            verifyDefaultExpression(defaultNode)
+          }
+        }
+      } else if (prop.type === 'type') {
+        if (prop.types.length !== 1 || prop.types[0] !== 'Boolean') {
+          return
+        }
+        for (const defaultNode of otherDefaultProvider(prop.propName)) {
+          verifyDefaultExpression(defaultNode)
+        }
+      }
+    }
+    /**
+     * @param {ComponentProp[]} props
+     * @param {(propName: string) => Expression[]} otherDefaultProvider
+     */
+    function processProps(props, otherDefaultProvider) {
+      for (const prop of props) {
+        processProp(prop, otherDefaultProvider)
+      }
+    }
+
+    /**
+     * @param {Expression} defaultNode
+     */
+    function verifyDefaultExpression(defaultNode) {
+      switch (booleanType) {
+        case 'no-default': {
+          context.report({
+            node: defaultNode,
+            messageId: 'noBooleanDefault'
+          })
+          break
+        }
+
+        case 'default-false': {
+          if (defaultNode.type !== 'Literal' || defaultNode.value !== false) {
+            context.report({
+              node: defaultNode,
+              messageId: 'defaultFalse'
+            })
+          }
+          break
+        }
+      }
+    }
+    return utils.compositingVisitors(
+      utils.executeOnVueComponent(context, (obj) => {
+        processProps(utils.getComponentPropsFromOptions(obj), () => [])
+      }),
+      utils.defineScriptSetupVisitor(context, {
+        onDefinePropsEnter(node, props) {
+          const defaultsByWithDefaults =
+            utils.getWithDefaultsPropExpressions(node)
+          const defaultsByAssignmentPatterns =
+            utils.getDefaultPropExpressionsForPropsDestructure(node)
+          processProps(props, (propName) =>
+            [
+              defaultsByWithDefaults[propName],
+              defaultsByAssignmentPatterns[propName]?.expression
+            ].filter(utils.isDef)
+          )
+        }
+      })
+    )
+  }
+}