Refactor input handling to include readmePath and improve type annotations

.junie/guidelines.md

@@ -11,6 +11,7 @@ Aliases:
 Ignore the following properties:
 
 - `directory`
+- `readme`
 - `repository.owner`
 - `repository.repo`
 
@@ -20,3 +21,4 @@ Steps:
 2. Study its dependencies.
 3. Memorize the overall relationship scheme of these interfaces.
 4. Update the JSON schema in the `resources/schema.json` file in accordance with the new requirements.
+5. Do not add the `default` parameter to the schema root.

README.md

@@ -49,12 +49,19 @@ jobs:
                     # Required: true
                     token: ${{ secrets.GITHUB_TOKEN }}
 
-                    # Path to the settings file 
+                    # Path to the settings file
                     #
                     # By default, .github/preview-updater.yml
                     #
                     # Required: false
                     config: ''
+
+                    # Specifies the path to the README file.
+                    #
+                    # By default, README.md
+                    #
+                    # Required: false
+                    readme: ''
 ```
 
 The action is setting the following outputs:
@@ -82,8 +89,6 @@ All fields are optional—omitted ones fall back to defaults.
 ```yaml
 # $schema: https://raw.githubusercontent.com/TheDragonCode/github-preview-updater/refs/heads/main/resources/schema.json
 
-path: README.md        # Target file to update
-
 package:
     # Declares the use of the package manager.
     # It is a regular string that will be substituted into the URL address.
@@ -169,7 +174,7 @@ Ultimately, the image link will look like this:
 
 ## FAQ
 
-> 💥 Preview Updater failed with error: Error when creating pull request from preview/banner-***: GitHub Actions is not permitted to create or approve pull requests
+> 💥 Preview Updater failed with error: Error when creating a pull request from preview/banner-***: GitHub Actions is not permitted to create or approve pull requests
 
 Enable the "Allow GitHub Actions to create and approve pull requests" option in project settings.
 

action.yml

@@ -19,3 +19,8 @@ inputs:
         description: Path to the preview configuration YAML file.
         default: '.github/preview-updater.yml'
         required: false
+
+    readme:
+        description: Specifies the path to the README file.
+        default: 'README.md'
+        required: false

resources/schema.json

@@ -4,11 +4,6 @@
     "type": "object",
     "additionalProperties": false,
     "properties": {
-        "readme": {
-            "type": "string",
-            "description": "Target README file where the banner will be inserted",
-            "default": "README.md"
-        },
         "repository": {
             "type": "object",
             "additionalProperties": false,

src/libs/defaults.ts

@@ -2,6 +2,7 @@ import type { Config } from "../types/config";
 import type { Image } from "../types/image";
 import type { Package } from "../types/package";
 import type { Author, Commit, PullRequest } from "../types/repository";
+import { README_PATH } from "../utils/inputs";
 
 export const defaultPackage: Package = {
     manager: "auto",
@@ -39,7 +40,7 @@ export const defaultPullRequest: PullRequest = {
 };
 
 export const defaultConfig: Config = {
-    readme: "README.md",
+    readme: README_PATH.defaultValue,
 
     package: defaultPackage,
     image: defaultImage,

src/main.ts

@@ -12,16 +12,12 @@ import { readConfig } from "./utils/config";
 import type { LockFile } from "./types/lockFile";
 import type { Data } from "./types/data";
 import type { Repository as Credentials } from "./types/repository";
-import {
-    defaultConfig,
-    defaultPackage,
-    defaultPullRequest,
-} from "./libs/defaults";
+import { defaultPackage, defaultPullRequest } from "./libs/defaults";
 import type { GitHub } from "@actions/github/lib/utils";
 
 const previewUpdater = async () => {
     // Inputs
-    const { token, configPath } = parse();
+    const { token, configPath, readmePath } = parse();
 
     // Credentials
     const credentials: Credentials = {
@@ -53,7 +49,7 @@ const previewUpdater = async () => {
     // Read names
     const packageLock: LockFile = getPackageManager(config);
 
-    config.readme ||= defaultConfig.readme || "README.md";
+    config.readme = readmePath;
 
     config.package ||= defaultPackage;
     config.data ||= <Data>{};
@@ -71,8 +67,8 @@ const previewUpdater = async () => {
     await repo.authenticate();
 
     // Read file
-    const content = readFile(config, config.readme);
-    const preview = setPreview(content, config, packageLock);
+    const content: string = readFile(config, config.readme);
+    const preview: string = setPreview(content, config, packageLock);
 
     if (content === preview) {
         info(`File "${config.readme}" is up to date`);
@@ -81,7 +77,7 @@ const previewUpdater = async () => {
     }
 
     // Checkout branch
-    const branchExists = await repo.branchExists();
+    const branchExists: boolean = await repo.branchExists();
     info(
         `Checkout ${branchExists ? "existing" : "new"} branch named "${repo.branchName()}"`,
     );

src/utils/inputs.ts

@@ -2,21 +2,26 @@ import { getInput } from "@actions/core";
 
 export const TOKEN = {
     name: "token",
-    env: "INPUT_TOKEN",
 };
 
 export const CONFIG_PATH = {
     name: "config",
-    env: "INPUT_CONFIG_PATH",
     defaultValue: ".github/preview-updater.yml",
 };
 
+export const README_PATH = {
+    name: "readme",
+    defaultValue: "README.md",
+};
+
 export const parse = () => {
     const token = getInput(TOKEN.name, { required: true });
     const configPath = getInput(CONFIG_PATH.name) || CONFIG_PATH.defaultValue;
+    const readmePath = getInput(README_PATH.name) || README_PATH.defaultValue;
 
     return {
         token,
         configPath,
+        readmePath,
     };
 };

src/utils/repository.ts

@@ -152,7 +152,7 @@ export class Repository {
             });
         } catch (error) {
             // @ts-expect-error
-            error.message = `Error when creating pull request from ${this.branchName()}: ${error.message}`;
+            error.message = `Error when creating a pull request from ${this.branchName()}: ${error.message}`;
 
             throw error;
         }