From 6a2ac2f063b5e11e865762c3a3dff57ef4e924ec Mon Sep 17 00:00:00 2001
From: kononnable <kononnable@gmail.com>
Date: Wed, 30 Dec 2020 21:42:59 +0100
Subject: [PATCH] keep old tsconfig and ormconfig files #154 instead of
 generated ones

---
 src/ModelGeneration.ts     | 29 +++++++++++++++++++++--------
 src/drivers/MssqlDriver.ts |  4 ++--
 2 files changed, 23 insertions(+), 10 deletions(-)

diff --git a/src/ModelGeneration.ts b/src/ModelGeneration.ts
index 1a5ceda..dc7bcf7 100644
--- a/src/ModelGeneration.ts
+++ b/src/ModelGeneration.ts
@@ -27,8 +27,11 @@ export default function modelGenerationPhase(
     }
     let entitiesPath = resultPath;
     if (!generationOptions.noConfigs) {
-        createTsConfigFile(resultPath);
-        createTypeOrmConfig(resultPath, connectionOptions);
+        const tsconfigPath = path.resolve(resultPath, "tsconfig.json");
+        const typeormConfigPath = path.resolve(resultPath, "ormconfig.json");
+
+        createTsConfigFile(tsconfigPath);
+        createTypeOrmConfig(typeormConfigPath, connectionOptions);
         entitiesPath = path.resolve(resultPath, "./entities");
         if (!fs.existsSync(entitiesPath)) {
             fs.mkdirSync(entitiesPath);
@@ -258,7 +261,13 @@ function createHandlebarsHelpers(generationOptions: IGenerationOptions): void {
     });
 }
 
-function createTsConfigFile(outputPath: string): void {
+function createTsConfigFile(tsconfigPath: string): void {
+    if (fs.existsSync(tsconfigPath)) {
+        console.warn(
+            `\x1b[33m[${new Date().toLocaleTimeString()}] WARNING: Skipping generation of tsconfig.json file. File already exists. \x1b[0m`
+        );
+        return;
+    }
     const templatePath = path.resolve(__dirname, "templates", "tsconfig.mst");
     const template = fs.readFileSync(templatePath, "utf-8");
     const compliedTemplate = Handlebars.compile(template, {
@@ -266,16 +275,21 @@ function createTsConfigFile(outputPath: string): void {
     });
     const rendered = compliedTemplate({});
     const formatted = Prettier.format(rendered, { parser: "json" });
-    const resultFilePath = path.resolve(outputPath, "tsconfig.json");
-    fs.writeFileSync(resultFilePath, formatted, {
+    fs.writeFileSync(tsconfigPath, formatted, {
         encoding: "utf-8",
         flag: "w",
     });
 }
 function createTypeOrmConfig(
-    outputPath: string,
+    typeormConfigPath: string,
     connectionOptions: IConnectionOptions
 ): void {
+    if (fs.existsSync(typeormConfigPath)) {
+        console.warn(
+            `\x1b[33m[${new Date().toLocaleTimeString()}] WARNING: Skipping generation of ormconfig.json file. File already exists. \x1b[0m`
+        );
+        return;
+    }
     const templatePath = path.resolve(__dirname, "templates", "ormconfig.mst");
     const template = fs.readFileSync(templatePath, "utf-8");
     const compiledTemplate = Handlebars.compile(template, {
@@ -283,8 +297,7 @@ function createTypeOrmConfig(
     });
     const rendered = compiledTemplate(connectionOptions);
     const formatted = Prettier.format(rendered, { parser: "json" });
-    const resultFilePath = path.resolve(outputPath, "ormconfig.json");
-    fs.writeFileSync(resultFilePath, formatted, {
+    fs.writeFileSync(typeormConfigPath, formatted, {
         encoding: "utf-8",
         flag: "w",
     });
diff --git a/src/drivers/MssqlDriver.ts b/src/drivers/MssqlDriver.ts
index 885304a..cdae412 100644
--- a/src/drivers/MssqlDriver.ts
+++ b/src/drivers/MssqlDriver.ts
@@ -101,8 +101,8 @@ export default class MssqlDriver extends AbstractDriver {
               LEFT JOIN (SELECT tc.TABLE_SCHEMA,tc.TABLE_NAME,cu.COLUMN_NAME,COUNT(1) AS cnt FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS tc inner join INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE cu on cu.CONSTRAINT_NAME = tc.CONSTRAINT_NAME where tc.CONSTRAINT_TYPE = 'UNIQUE' GROUP BY tc.TABLE_SCHEMA,tc.TABLE_NAME,cu.COLUMN_NAME) AS tc
                on tc.TABLE_NAME = c.TABLE_NAME and tc.COLUMN_NAME = c.COLUMN_NAME and tc.TABLE_SCHEMA=c.TABLE_SCHEMA
               where c.TABLE_SCHEMA in (${MssqlDriver.buildEscapedObjectList(
-                schemas
-            )}) AND c.TABLE_CATALOG in (${MssqlDriver.buildEscapedObjectList(
+                  schemas
+              )}) AND c.TABLE_CATALOG in (${MssqlDriver.buildEscapedObjectList(
                 dbNames
             )}) order by ordinal_position
         `)