From 9a62f5b0637b037304f9447e2b2efc250f185f88 Mon Sep 17 00:00:00 2001
From: KingDarBoja <stevenbojato04@gmail.com>
Date: Thu, 13 Aug 2020 20:26:18 -0500
Subject: [PATCH] Add codelyzer pipe-prefix converter

---
 src/rules/converters/codelyzer/pipe-prefix.ts | 19 ++++++++++
 .../codelyzer/tests/pipe-prefix.test.ts       | 38 +++++++++++++++++++
 src/rules/rulesConverters.ts                  |  2 +
 3 files changed, 59 insertions(+)
 create mode 100644 src/rules/converters/codelyzer/pipe-prefix.ts
 create mode 100644 src/rules/converters/codelyzer/tests/pipe-prefix.test.ts

diff --git a/src/rules/converters/codelyzer/pipe-prefix.ts b/src/rules/converters/codelyzer/pipe-prefix.ts
new file mode 100644
index 000000000..4a927e956
--- /dev/null
+++ b/src/rules/converters/codelyzer/pipe-prefix.ts
@@ -0,0 +1,19 @@
+import { RuleConverter } from "../../converter";
+
+export const convertPipePrefix: RuleConverter = (tslintRule) => {
+    return {
+        rules: [
+            {
+                ...(tslintRule.ruleArguments.length !== 0 && {
+                    ruleArguments: [
+                        {
+                            prefixes: tslintRule.ruleArguments,
+                        },
+                    ],
+                }),
+                ruleName: "@angular-eslint/pipe-prefix",
+            },
+        ],
+        plugins: ["@angular-eslint/eslint-plugin"],
+    };
+};
diff --git a/src/rules/converters/codelyzer/tests/pipe-prefix.test.ts b/src/rules/converters/codelyzer/tests/pipe-prefix.test.ts
new file mode 100644
index 000000000..a04661967
--- /dev/null
+++ b/src/rules/converters/codelyzer/tests/pipe-prefix.test.ts
@@ -0,0 +1,38 @@
+import { convertPipePrefix } from "../pipe-prefix";
+
+describe(convertPipePrefix, () => {
+    test("conversion without arguments", () => {
+        const result = convertPipePrefix({
+            ruleArguments: [],
+        });
+
+        expect(result).toEqual({
+            rules: [
+                {
+                    ruleName: "@angular-eslint/pipe-prefix",
+                },
+            ],
+            plugins: ["@angular-eslint/eslint-plugin"],
+        });
+    });
+
+    test("conversion with arguments", () => {
+        const result = convertPipePrefix({
+            ruleArguments: ["ng", "sg", "mg"],
+        });
+
+        expect(result).toEqual({
+            rules: [
+                {
+                    ruleArguments: [
+                        {
+                            prefixes: ["ng", "sg", "mg"],
+                        },
+                    ],
+                    ruleName: "@angular-eslint/pipe-prefix",
+                },
+            ],
+            plugins: ["@angular-eslint/eslint-plugin"],
+        });
+    });
+});
diff --git a/src/rules/rulesConverters.ts b/src/rules/rulesConverters.ts
index 35c79548a..fc532fdf6 100644
--- a/src/rules/rulesConverters.ts
+++ b/src/rules/rulesConverters.ts
@@ -158,6 +158,7 @@ import { convertNoOutputRename } from "./converters/codelyzer/no-output-rename";
 import { convertNoOutputsMetadataProperty } from "./converters/codelyzer/no-outputs-metadata-property";
 import { convertNoPipeImpure } from "./converters/codelyzer/no-pipe-impure";
 import { convertNoQueriesMetadataProperty } from "./converters/codelyzer/no-queries-metadata-property";
+import { convertPipePrefix } from "./converters/codelyzer/pipe-prefix";
 import { convertPreferOnPushComponentChangeDetection } from "./converters/codelyzer/prefer-on-push-component-change-detection";
 import { convertPreferOutputReadonly } from "./converters/codelyzer/prefer-output-readonly";
 import { convertRelativeUrlPrefix } from "./converters/codelyzer/relative-url-prefix";
@@ -323,6 +324,7 @@ export const rulesConverters = new Map([
     ["one-variable-per-declaration", convertOneVariablePerDeclaration],
     ["only-arrow-functions", convertOnlyArrowFunctions],
     ["ordered-imports", convertOrderedImports],
+    ["pipe-prefix", convertPipePrefix],
     ["prefer-const", convertPreferConst],
     ["prefer-for-of", convertPreferForOf],
     ["prefer-function-over-method", convertPreferFunctionOverMethod],