feat: add support for mise.toml file

gperdomor · gperdomor · commit 4f2b2fdc2b1d · 2026-02-12T10:16:29.000-03:00
diff --git a/__tests__/main.test.ts b/__tests__/main.test.ts
@@ -94,23 +94,25 @@ describe('main tests', () => {
 
   describe('getNodeVersionFromFile', () => {
     each`
-      contents                                     | expected
-      ${'12'}                                      | ${'12'}
-      ${'12.3'}                                    | ${'12.3'}
-      ${'12.3.4'}                                  | ${'12.3.4'}
-      ${'v12.3.4'}                                 | ${'12.3.4'}
-      ${'lts/erbium'}                              | ${'lts/erbium'}
-      ${'lts/*'}                                   | ${'lts/*'}
-      ${'nodejs 12.3.4'}                           | ${'12.3.4'}
-      ${'ruby 2.3.4\nnodejs 12.3.4\npython 3.4.5'} | ${'12.3.4'}
-      ${''}                                        | ${''}
-      ${'unknown format'}                          | ${'unknown format'}
-      ${'  14.1.0  '}                              | ${'14.1.0'}
-      ${'{"volta": {"node": ">=14.0.0 <=17.0.0"}}'}| ${'>=14.0.0 <=17.0.0'}
-      ${'{"volta": {"extends": "./package.json"}}'}| ${'18.0.0'}
-      ${'{"engines": {"node": "17.0.0"}}'}         | ${'17.0.0'}
-      ${'[tools]\ngo="latest"\nnode = "24.10"'}    | ${'24.10'}
-      ${'{}'}                                      | ${null}
+      contents                                                 | expected
+      ${'12'}                                                  | ${'12'}
+      ${'12.3'}                                                | ${'12.3'}
+      ${'12.3.4'}                                              | ${'12.3.4'}
+      ${'v12.3.4'}                                             | ${'12.3.4'}
+      ${'lts/erbium'}                                          | ${'lts/erbium'}
+      ${'lts/*'}                                               | ${'lts/*'}
+      ${'nodejs 12.3.4'}                                       | ${'12.3.4'}
+      ${'ruby 2.3.4\nnodejs 12.3.4\npython 3.4.5'}             | ${'12.3.4'}
+      ${''}                                                    | ${''}
+      ${'unknown format'}                                      | ${'unknown format'}
+      ${'  14.1.0  '}                                          | ${'14.1.0'}
+      ${'{"volta": {"node": ">=14.0.0 <=17.0.0"}}'}            | ${'>=14.0.0 <=17.0.0'}
+      ${'{"volta": {"extends": "./package.json"}}'}            | ${'18.0.0'}
+      ${'{"engines": {"node": "17.0.0"}}'}                     | ${'17.0.0'}
+      ${'[tools]\ngo="latest"\nnode = "24.10"'}                | ${'24.10'}
+      ${'[tools]\nnode = { version = "22.20" }'}               | ${'22.20'}
+      ${'[tools]\nnode = { postinstall = "corepack enable" }'} | ${null}
+      ${'{}'}                                                  | ${null}
     `.it('parses "$contents"', ({contents, expected}) => {
       const existsSpy = jest.spyOn(fs, 'existsSync');
       existsSpy.mockImplementation(() => true);
diff --git a/dist/cache-save/index.js b/dist/cache-save/index.js
@@ -75721,15 +75721,18 @@ function getNodeVersionFromFile(versionFilePath) {
     catch {
         core.info('Node version file is not JSON file');
     }
-    // Try parsing the file as an MISE `mise.toml` file.
+    // Try parsing the file as a mise `mise.toml` file.
     try {
         const manifest = (0, js_toml_1.load)(contents);
         if (manifest?.tools?.node) {
             const node = manifest.tools.node;
             if (typeof node === 'object' && node?.version) {
                 return node.version;
             }
-            return node;
+            if (typeof node === 'string') {
+                return node;
+            }
+            return null;
         }
     }
     catch {
diff --git a/dist/setup/index.js b/dist/setup/index.js
@@ -86259,15 +86259,18 @@ function getNodeVersionFromFile(versionFilePath) {
     catch {
         core.info('Node version file is not JSON file');
     }
-    // Try parsing the file as an MISE `mise.toml` file.
+    // Try parsing the file as a mise `mise.toml` file.
     try {
         const manifest = (0, js_toml_1.load)(contents);
         if (manifest?.tools?.node) {
             const node = manifest.tools.node;
             if (typeof node === 'object' && node?.version) {
                 return node.version;
             }
-            return node;
+            if (typeof node === 'string') {
+                return node;
+            }
+            return null;
         }
     }
     catch {
diff --git a/src/util.ts b/src/util.ts
@@ -57,7 +57,7 @@ export function getNodeVersionFromFile(versionFilePath: string): string | null {
     core.info('Node version file is not JSON file');
   }
 
-  // Try parsing the file as an MISE `mise.toml` file.
+  // Try parsing the file as a mise `mise.toml` file.
   try {
     const manifest: Record<string, any> = load(contents);
     if (manifest?.tools?.node) {
@@ -67,7 +67,11 @@ export function getNodeVersionFromFile(versionFilePath: string): string | null {
         return node.version;
       }
 
-      return node;
+      if (typeof node === 'string') {
+        return node;
+      }
+
+      return null;
     }
   } catch {
     core.info('Node version file is not TOML file');

Original file line number	Diff line number	Diff line change
`@@ -75721,15 +75721,18 @@ function getNodeVersionFromFile(versionFilePath) {`
`75721`	`75721`	`catch {`
`75722`	`75722`	`core.info('Node version file is not JSON file');`
`75723`	`75723`	`}`
`75724`		- // Try parsing the file as an MISE `mise.toml` file.
	`75724`	+ // Try parsing the file as a mise `mise.toml` file.
`75725`	`75725`	`try {`
`75726`	`75726`	`const manifest = (0, js_toml_1.load)(contents);`
`75727`	`75727`	`if (manifest?.tools?.node) {`
`75728`	`75728`	`const node = manifest.tools.node;`
`75729`	`75729`	`if (typeof node === 'object' && node?.version) {`
`75730`	`75730`	`return node.version;`
`75731`	`75731`	`}`
`75732`		`- return node;`
	`75732`	`+ if (typeof node === 'string') {`
	`75733`	`+ return node;`
	`75734`	`+ }`
	`75735`	`+ return null;`
`75733`	`75736`	`}`
`75734`	`75737`	`}`
`75735`	`75738`	`catch {`
Original file line number	Diff line number	Diff line change
`@@ -86259,15 +86259,18 @@ function getNodeVersionFromFile(versionFilePath) {`
`86259`	`86259`	`catch {`
`86260`	`86260`	`core.info('Node version file is not JSON file');`
`86261`	`86261`	`}`
`86262`		- // Try parsing the file as an MISE `mise.toml` file.
	`86262`	+ // Try parsing the file as a mise `mise.toml` file.
`86263`	`86263`	`try {`
`86264`	`86264`	`const manifest = (0, js_toml_1.load)(contents);`
`86265`	`86265`	`if (manifest?.tools?.node) {`
`86266`	`86266`	`const node = manifest.tools.node;`
`86267`	`86267`	`if (typeof node === 'object' && node?.version) {`
`86268`	`86268`	`return node.version;`
`86269`	`86269`	`}`
`86270`		`- return node;`
	`86270`	`+ if (typeof node === 'string') {`
	`86271`	`+ return node;`
	`86272`	`+ }`
	`86273`	`+ return null;`
`86271`	`86274`	`}`
`86272`	`86275`	`}`
`86273`	`86276`	`catch {`
Original file line number	Diff line number	Diff line change
`@@ -57,7 +57,7 @@ export function getNodeVersionFromFile(versionFilePath: string): string \| null {`
`57`	`57`	`core.info('Node version file is not JSON file');`
`58`	`58`	`}`
`59`	`59`
`60`		- // Try parsing the file as an MISE `mise.toml` file.
	`60`	+ // Try parsing the file as a mise `mise.toml` file.
`61`	`61`	`try {`
`62`	`62`	`const manifest: Record<string, any> = load(contents);`
`63`	`63`	`if (manifest?.tools?.node) {`
`@@ -67,7 +67,11 @@ export function getNodeVersionFromFile(versionFilePath: string): string \| null {`
`67`	`67`	`return node.version;`
`68`	`68`	`}`
`69`	`69`
`70`		`- return node;`
	`70`	`+ if (typeof node === 'string') {`
	`71`	`+ return node;`
	`72`	`+ }`
	`73`	`+`
	`74`	`+ return null;`
`71`	`75`	`}`
`72`	`76`	`} catch {`
`73`	`77`	`core.info('Node version file is not TOML file');`