feat: add coverage.watermarks to CLI options

docs/config/index.md

@@ -1413,6 +1413,7 @@ See [istanbul documentation](https://github.com/istanbuljs/nyc#ignoring-methods)
 ```
 
 - **Available for providers:** `'v8' | 'istanbul'`
+- **CLI:** `--coverage.watermarks.statements=50,80`, `--coverage.watermarks.branches=50,80`
 
 Watermarks for statements, lines, branches and functions. See [istanbul documentation](https://github.com/istanbuljs/nyc#high-and-low-watermarks) for more information.
 

packages/vitest/src/node/cli/cli-config.ts

@@ -81,6 +81,12 @@ const poolForksCommands: CLIOptions<ForksOptions & WorkerContextOptions> = {
   execArgv: null,
 }
 
+function watermarkTransform(value: unknown) {
+  if (typeof value === 'string')
+    return value.split(',').map(Number)
+  return value
+}
+
 function transformNestedBoolean(value: unknown) {
   if (typeof value === 'boolean')
     return { enabled: value }
@@ -249,9 +255,32 @@ export const cliOptionsConfig: VitestCLIOptions = {
         argument: '<path>',
         normalize: true,
       },
-      // TODO: suport watermarks via a special command?
-      // CAC requires --watermarks.statements=50 --watermarks.statements=80 for "statements:[50,80]" which looks rediculous
-      watermarks: null,
+      watermarks: {
+        description: null,
+        argument: '', // no displayed
+        subcommands: {
+          statements: {
+            description: 'High and low watermarks for statements in the format of <high>,<low>',
+            argument: '<watermarks>',
+            transform: watermarkTransform,
+          },
+          lines: {
+            description: 'High and low watermarks for lines in the format of <high>,<low>',
+            argument: '<watermarks>',
+            transform: watermarkTransform,
+          },
+          branches: {
+            description: 'High and low watermarks for branches in the format of <high>,<low>',
+            argument: '<watermarks>',
+            transform: watermarkTransform,
+          },
+          functions: {
+            description: 'High and low watermarks for functions in the format of <high>,<low>',
+            argument: '<watermarks>',
+            transform: watermarkTransform,
+          },
+        },
+      },
     },
   },
   mode: {

test/core/test/cli-test.test.ts

@@ -62,6 +62,11 @@ test('nested coverage options have correct types', async () => {
     --coverage.thresholds.lines 100
     --coverage.thresholds.functions 30
     --coverage.thresholds.branches 25
+
+    --coverage.watermarks.statements 50,80
+    --coverage.watermarks.lines=30,40
+    --coverage.watermarks.branches=70,80
+    --coverage.watermarks.functions 20,60
   `).coverage).toEqual({
     enabled: true,
     reporter: ['text'],
@@ -85,6 +90,12 @@ test('nested coverage options have correct types', async () => {
       autoUpdate: true,
       100: true,
     },
+    watermarks: {
+      statements: [50, 80],
+      lines: [30, 40],
+      branches: [70, 80],
+      functions: [20, 60],
+    },
   })
 })