add Eslint option for --resolve-plugins-relative-to, fix maxWarnings 0 (#200)

* add resolvePluginsPath option, make it possible to set maxWarnings to 0

* Change files

change/just-scripts-2019-08-05-11-21-26-eslintOptions.json

@@ -0,0 +1,8 @@
+{
+  "comment": "add resolvePluginsPath option, make it possible to set maxWarnings to 0",
+  "type": "minor",
+  "packageName": "just-scripts",
+  "email": "andrewh@microsoft.com",
+  "commit": "986346455fe33c3ff1de70404d679cf18c60806c",
+  "date": "2019-08-05T18:21:26.706Z"
+}

packages/just-scripts/src/tasks/eslintTask.ts

@@ -6,6 +6,7 @@ export interface EsLintTaskOptions {
   files?: string[];
   configPath?: string;
   ignorePath?: string;
+  resolvePluginsPath?: string;
   fix?: boolean;
   extensions?: string;
   noEslintRc?: boolean;
@@ -14,7 +15,7 @@ export interface EsLintTaskOptions {
 
 export function eslintTask(options: EsLintTaskOptions = {}): TaskFunction {
   return function eslint() {
-    const { files, configPath, ignorePath, fix, extensions, noEslintRc, maxWarnings } = options;
+    const { files, configPath, ignorePath, fix, extensions, noEslintRc, maxWarnings, resolvePluginsPath } = options;
     const eslintCmd = resolve('eslint/bin/eslint.js');
     const eslintConfigPath = configPath || resolveCwd('.eslintrc');
     if (eslintCmd && eslintConfigPath && fs.existsSync(eslintConfigPath)) {
@@ -27,8 +28,9 @@ export function eslintTask(options: EsLintTaskOptions = {}): TaskFunction {
         ...(noEslintRc ? '--no-eslintrc' : []),
         ...(eslintConfigPath ? ['--config', eslintConfigPath] : []),
         ...(eslintIgnorePath ? ['--ignore-path', eslintIgnorePath] : []),
+        ...(resolvePluginsPath ? ['--resolve-plugins-relative-to', resolvePluginsPath] : []),
         ...(fix ? ['--fix'] : []),
-        ...(maxWarnings ? ['--max-warnings', `${maxWarnings}`] : []),
+        ...(maxWarnings !== undefined ? ['--max-warnings', `${maxWarnings}`] : []),
         '--color'
       ];