Installing dependencies.

node_modules/eslint-plugin-jest/lib/rules/require-top-level-describe.js

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+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _utils = require("./utils");
+
+const messages = {
+  tooManyDescribes: 'There should not be more than {{ max }} describe{{ s }} at the top level',
+  unexpectedTestCase: 'All test cases must be wrapped in a describe block.',
+  unexpectedHook: 'All hooks must be wrapped in a describe block.'
+};
+
+var _default = (0, _utils.createRule)({
+  name: __filename,
+  meta: {
+    docs: {
+      category: 'Best Practices',
+      description: 'Require test cases and hooks to be inside a `describe` block',
+      recommended: false
+    },
+    messages,
+    type: 'suggestion',
+    schema: [{
+      type: 'object',
+      properties: {
+        maxNumberOfTopLevelDescribes: {
+          type: 'number',
+          minimum: 1
+        }
+      },
+      additionalProperties: false
+    }]
+  },
+  defaultOptions: [{}],
+
+  create(context) {
+    var _context$options$;
+
+    const {
+      maxNumberOfTopLevelDescribes = Infinity
+    } = (_context$options$ = context.options[0]) !== null && _context$options$ !== void 0 ? _context$options$ : {};
+    let numberOfTopLevelDescribeBlocks = 0;
+    let numberOfDescribeBlocks = 0;
+    return {
+      CallExpression(node) {
+        const jestFnCall = (0, _utils.parseJestFnCall)(node, context);
+
+        if (!jestFnCall) {
+          return;
+        }
+
+        if (jestFnCall.type === 'describe') {
+          numberOfDescribeBlocks++;
+
+          if (numberOfDescribeBlocks === 1) {
+            numberOfTopLevelDescribeBlocks++;
+
+            if (numberOfTopLevelDescribeBlocks > maxNumberOfTopLevelDescribes) {
+              context.report({
+                node,
+                messageId: 'tooManyDescribes',
+                data: {
+                  max: maxNumberOfTopLevelDescribes,
+                  s: maxNumberOfTopLevelDescribes === 1 ? '' : 's'
+                }
+              });
+            }
+          }
+
+          return;
+        }
+
+        if (numberOfDescribeBlocks === 0) {
+          if (jestFnCall.type === 'test') {
+            context.report({
+              node,
+              messageId: 'unexpectedTestCase'
+            });
+            return;
+          }
+
+          if (jestFnCall.type === 'hook') {
+            context.report({
+              node,
+              messageId: 'unexpectedHook'
+            });
+            return;
+          }
+        }
+      },
+
+      'CallExpression:exit'(node) {
+        if ((0, _utils.isTypeOfJestFnCall)(node, context, ['describe'])) {
+          numberOfDescribeBlocks--;
+        }
+      }
+
+    };
+  }
+
+});
+
+exports.default = _default;