Initial commit

frontend/webapp/node_modules/eslint-plugin-react/lib/rules/jsx-props-no-spreading.js

@@ -0,0 +1,145 @@
+/**
+ * @fileoverview Prevent JSX prop spreading
+ * @author Ashish Gambhir
+ */
+
+'use strict';
+
+const docsUrl = require('../util/docsUrl');
+const report = require('../util/report');
+
+// ------------------------------------------------------------------------------
+// Constants
+// ------------------------------------------------------------------------------
+
+const OPTIONS = { ignore: 'ignore', enforce: 'enforce' };
+const DEFAULTS = {
+  html: OPTIONS.enforce,
+  custom: OPTIONS.enforce,
+  explicitSpread: OPTIONS.enforce,
+  exceptions: [],
+};
+
+const isException = (tag, allExceptions) => allExceptions.indexOf(tag) !== -1;
+const isProperty = (property) => property.type === 'Property';
+const getTagNameFromMemberExpression = (node) => {
+  if (node.property.parent) {
+    return `${node.property.parent.object.name}.${node.property.name}`;
+  }
+  // for eslint 3
+  return `${node.object.name}.${node.property.name}`;
+};
+
+// ------------------------------------------------------------------------------
+// Rule Definition
+// ------------------------------------------------------------------------------
+
+const messages = {
+  noSpreading: 'Prop spreading is forbidden',
+};
+
+/** @type {import('eslint').Rule.RuleModule} */
+module.exports = {
+  meta: {
+    docs: {
+      description: 'Disallow JSX prop spreading',
+      category: 'Best Practices',
+      recommended: false,
+      url: docsUrl('jsx-props-no-spreading'),
+    },
+
+    messages,
+
+    schema: [{
+      allOf: [{
+        type: 'object',
+        properties: {
+          html: {
+            enum: [OPTIONS.enforce, OPTIONS.ignore],
+          },
+          custom: {
+            enum: [OPTIONS.enforce, OPTIONS.ignore],
+          },
+          explicitSpread: {
+            enum: [OPTIONS.enforce, OPTIONS.ignore],
+          },
+          exceptions: {
+            type: 'array',
+            items: {
+              type: 'string',
+              uniqueItems: true,
+            },
+          },
+        },
+      }, {
+        not: {
+          type: 'object',
+          required: ['html', 'custom'],
+          properties: {
+            html: {
+              enum: [OPTIONS.ignore],
+            },
+            custom: {
+              enum: [OPTIONS.ignore],
+            },
+            exceptions: {
+              type: 'array',
+              minItems: 0,
+              maxItems: 0,
+            },
+          },
+        },
+      }],
+    }],
+  },
+
+  create(context) {
+    const configuration = context.options[0] || {};
+    const ignoreHtmlTags = (configuration.html || DEFAULTS.html) === OPTIONS.ignore;
+    const ignoreCustomTags = (configuration.custom || DEFAULTS.custom) === OPTIONS.ignore;
+    const ignoreExplicitSpread = (configuration.explicitSpread || DEFAULTS.explicitSpread) === OPTIONS.ignore;
+    const exceptions = configuration.exceptions || DEFAULTS.exceptions;
+    return {
+      JSXSpreadAttribute(node) {
+        const jsxOpeningElement = node.parent.name;
+        const type = jsxOpeningElement.type;
+
+        let tagName;
+        if (type === 'JSXIdentifier') {
+          tagName = jsxOpeningElement.name;
+        } else if (type === 'JSXMemberExpression') {
+          tagName = getTagNameFromMemberExpression(jsxOpeningElement);
+        } else {
+          tagName = undefined;
+        }
+
+        const isHTMLTag = tagName && tagName[0] !== tagName[0].toUpperCase();
+        const isCustomTag = tagName && (tagName[0] === tagName[0].toUpperCase() || tagName.includes('.'));
+        if (
+          isHTMLTag
+          && ((ignoreHtmlTags && !isException(tagName, exceptions))
+          || (!ignoreHtmlTags && isException(tagName, exceptions)))
+        ) {
+          return;
+        }
+        if (
+          isCustomTag
+          && ((ignoreCustomTags && !isException(tagName, exceptions))
+          || (!ignoreCustomTags && isException(tagName, exceptions)))
+        ) {
+          return;
+        }
+        if (
+          ignoreExplicitSpread
+          && node.argument.type === 'ObjectExpression'
+          && node.argument.properties.every(isProperty)
+        ) {
+          return;
+        }
+        report(context, messages.noSpreading, 'noSpreading', {
+          node,
+        });
+      },
+    };
+  },
+};