feat: add multiline string support

Co-authored-by: Max Rosoff <[email protected]>
Signed-off-by: Saurav Sharma <[email protected]>

.github/workflows/test.yml

@@ -32,8 +32,8 @@ jobs:
         run: |
           if [[ -n $(git diff --exit-code) ]]
           then
-            echo "Please run `pnpm run build && pnpm run package` to update dist folder"
-            exit
+            echo "Please run pnpm run build && pnpm run package to update dist folder"
+            exit 1
           fi
 
   test:
@@ -67,6 +67,12 @@ jobs:
           ENV_KEY_SECRET_KEY: secret123
           ENV_KEY_ENV_KEY_MULTIPLE: test
           SOME_ENV_KEY: no_value
+          ENV_KEY_MULTILINE: |
+            some multiline
+            string here
+      - name: Cat generated dot env file
+        run: |
+          cat tests/development.env
       - name: Install pnpm dependencies
         run: |
           pnpm install

.gitignore

@@ -4,3 +4,4 @@ lib/
 
 # Mac related
 .DS_STORE
+*.env

dist/index.js

@@ -58,7 +58,7 @@ function envContentFromMap(contentMap, outputPrefix) {
     (0, core_1.info)("Converting env content map to array");
     const envFileArray = [];
     for (const [key, value] of contentMap) {
-        const envLine = `${outputPrefix}${key}=${value}`;
+        const envLine = `${outputPrefix}${key}="${value.replace(/"/g, '\\"')}"`;
         envFileArray.push(envLine);
     }
     (0, core_1.info)("Converting env array into string");

package.json

@@ -4,7 +4,7 @@
   "private": true,
   "description": "Create dotenv file for github actions",
   "main": "lib/main.js",
-  "packageManager": "[email protected].1",
+  "packageManager": "[email protected].2",
   "scripts": {
     "build": "tsc",
     "format": "prettier --write **/*.ts",
@@ -35,6 +35,7 @@
     "@types/jest": "^29.5.13",
     "@types/node": "^22.7.5",
     "@vercel/ncc": "^0.38.2",
+    "dotenv": "^16.4.5",
     "jest": "^29.7.0",
     "prettier": "^3.3.3",
     "ts-jest": "^29.2.5",

src/file.ts

@@ -10,7 +10,7 @@ function envContentFromMap(
 
     const envFileArray: string[] = [];
     for (const [key, value] of contentMap) {
-        const envLine = `${outputPrefix}${key}=${value}`;
+        const envLine = `${outputPrefix}${key}="${value.replace(/"/g, '\\"')}"`;
         envFileArray.push(envLine);
     }
 

tests/main.test.ts

@@ -1,6 +1,7 @@
 import * as fs from "fs";
 import * as path from "path";
 import * as readline from "readline";
+import dotenv from "dotenv";
 
 test("test if env file value matched with actual value", async () => {
     const envFilePath = path.resolve(__dirname, "development.env");
@@ -11,30 +12,23 @@ test("test if env file value matched with actual value", async () => {
         ["OUTPUT_API_KEY", "USER_API_KEY"],
         ["OUTPUT_SECRET_KEY", "secret123"],
         ["OUTPUT_ENV_KEY_MULTIPLE", "test"],
+        ["OUTPUT_MULTILINE", "some multiline\nstring here\n"],
     ]);
-    let actualMap: Map<string, string> = new Map();
-    const readLineInterface = readline.createInterface({
-        input: fs.createReadStream(envFilePath),
-        crlfDelay: Infinity,
-    });
-    for await (const line of readLineInterface) {
-        const splitLine = line.split("=");
-        if (splitLine.length != 2) {
-            continue;
-        }
-        actualMap.set(splitLine[0], splitLine[1]);
-    }
-    if (actualMap.size != expectedMap.size) {
+    const processedEnv = {};
+    dotenv.config({ path: envFilePath, processEnv: processedEnv });
+    const actualMap = new Map(Object.entries(processedEnv));
+
+    if (actualMap.size !== expectedMap.size) {
         console.log(`Expected: ${[...expectedMap.entries()]}`);
         console.log(`Actual: ${[...expectedMap.entries()]}`);
-        throw new Error("Size of two map doesn't matched");
+        throw new Error("Size of two map is not same");
     }
     for (const [key, val] of expectedMap) {
         const actualValue = actualMap.get(key);
-        if (actualValue != val) {
-            console.log(`Expected: ${[...expectedMap.entries()]}`);
-            console.log(`Actual: ${[...expectedMap.entries()]}`);
-            throw new Error("Value doesn't matched");
+        if (actualValue !== val) {
+            console.log(`Expected: ${val}`);
+            console.log(`Actual: ${actualValue}`);
+            throw new Error(`${key} value is different with each other`);
         }
     }
 });