feat: add support for mise.toml file

README.md

@@ -41,7 +41,7 @@ See [action.yml](action.yml)
     # Examples: 12.x, 10.15.1, >=10.15.0, lts/Hydrogen, 16-nightly, latest, node
     node-version: ''
 
-    # File containing the version Spec of the version to use.  Examples: package.json, .nvmrc, .node-version, .tool-versions.
+    # File containing the version Spec of the version to use.  Examples: package.json, mise.toml, .nvmrc, .node-version, .tool-versions.
     # If node-version and node-version-file are both provided the action will use version from node-version.
     node-version-file: ''
 

__tests__/main.test.ts

@@ -1,18 +1,18 @@
+import * as cache from '@actions/cache';
 import * as core from '@actions/core';
 import * as exec from '@actions/exec';
-import * as tc from '@actions/tool-cache';
-import * as cache from '@actions/cache';
 import * as io from '@actions/io';
+import * as tc from '@actions/tool-cache';
 
 import fs from 'fs';
-import path from 'path';
 import osm from 'os';
+import path from 'path';
 
 import each from 'jest-each';
 
+import OfficialBuilds from '../src/distributions/official_builds/official_builds';
 import * as main from '../src/main';
 import * as util from '../src/util';
-import OfficialBuilds from '../src/distributions/official_builds/official_builds';
 
 describe('main tests', () => {
   let inputs = {} as any;
@@ -112,6 +112,8 @@ describe('main tests', () => {
       ${'{"engines": {"node": "17.0.0"}}'}                                                       | ${'17.0.0'}
       ${'{"devEngines": {"runtime": {"name": "node", "version": "22.0.0"}}}'}                    | ${'22.0.0'}
       ${'{"devEngines": {"runtime": [{"name": "bun"}, {"name": "node", "version": "22.0.0"}]}}'} | ${'22.0.0'}
+      ${'[tools]\ngo="latest"\nnode = "24.10"'}                                                  | ${'24.10'}
+      ${'[tools]\nnode = "22.12"'}                                                               | ${'22.12'}
     `.it('parses "$contents"', ({contents, expected}) => {
       const existsSpy = jest.spyOn(fs, 'existsSync');
       existsSpy.mockImplementation(() => true);

package-lock.json

@@ -17,7 +17,9 @@
         "@actions/http-client": "^3.0.2",
         "@actions/io": "^2.0.0",
         "@actions/tool-cache": "^3.0.1",
-        "semver": "^7.6.3"
+        "js-toml": "^1.1.0",
+        "semver": "^7.6.3",
+        "uuid": "^13.0.0"
       },
       "devDependencies": {
         "@types/jest": "^29.5.14",
@@ -929,6 +931,18 @@
         "@babel/core": "^7.0.0-0"
       }
     },
+    "node_modules/@babel/runtime-corejs3": {
+      "version": "7.29.2",
+      "resolved": "https://registry.npmjs.org/@babel/runtime-corejs3/-/runtime-corejs3-7.29.2.tgz",
+      "integrity": "sha512-Lc94FOD5+0aXhdb0Tdg3RUtqT6yWbI/BbFWvlaSJ3gAb9Ks+99nHRDKADVqC37er4eCB0fHyWT+y+K3QOvJKbw==",
+      "license": "MIT",
+      "dependencies": {
+        "core-js-pure": "^3.48.0"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
     "node_modules/@babel/template": {
       "version": "7.27.2",
       "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.27.2.tgz",
@@ -984,6 +998,43 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@chevrotain/cst-dts-gen": {
+      "version": "12.0.0",
+      "resolved": "https://registry.npmjs.org/@chevrotain/cst-dts-gen/-/cst-dts-gen-12.0.0.tgz",
+      "integrity": "sha512-fSL4KXjTl7cDgf0B5Rip9Q05BOrYvkJV/RrBTE/bKDN096E4hN/ySpcBK5B24T76dlQ2i32Zc3PAE27jFnFrKg==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@chevrotain/gast": "12.0.0",
+        "@chevrotain/types": "12.0.0"
+      }
+    },
+    "node_modules/@chevrotain/gast": {
+      "version": "12.0.0",
+      "resolved": "https://registry.npmjs.org/@chevrotain/gast/-/gast-12.0.0.tgz",
+      "integrity": "sha512-1ne/m3XsIT8aEdrvT33so0GUC+wkctpUPK6zU9IlOyJLUbR0rg4G7ZiApiJbggpgPir9ERy3FRjT6T7lpgetnQ==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@chevrotain/types": "12.0.0"
+      }
+    },
+    "node_modules/@chevrotain/regexp-to-ast": {
+      "version": "12.0.0",
+      "resolved": "https://registry.npmjs.org/@chevrotain/regexp-to-ast/-/regexp-to-ast-12.0.0.tgz",
+      "integrity": "sha512-p+EW9MaJwgaHguhoqwOtx/FwuGr+DnNn857sXWOi/mClXIkPGl3rn7hGNWvo31HA3vyeQxjqe+H36yZJwYU8cA==",
+      "license": "Apache-2.0"
+    },
+    "node_modules/@chevrotain/types": {
+      "version": "12.0.0",
+      "resolved": "https://registry.npmjs.org/@chevrotain/types/-/types-12.0.0.tgz",
+      "integrity": "sha512-S+04vjFQKeuYw0/eW3U52LkAHQsB1ASxsPGsLPUyQgrZ2iNNibQrsidruDzjEX2JYfespXMG0eZmXlhA6z7nWA==",
+      "license": "Apache-2.0"
+    },
+    "node_modules/@chevrotain/utils": {
+      "version": "12.0.0",
+      "resolved": "https://registry.npmjs.org/@chevrotain/utils/-/utils-12.0.0.tgz",
+      "integrity": "sha512-lB59uJoaGIfOOL9knQqQRfhl9g7x8/wqFkp13zTdkRu1huG9kg6IJs1O8hqj9rs6h7orGxHJUKb+mX3rPbWGhA==",
+      "license": "Apache-2.0"
+    },
     "node_modules/@eslint-community/eslint-utils": {
       "version": "4.9.0",
       "resolved": "https://registry.npmjs.org/@eslint-community/eslint-utils/-/eslint-utils-4.9.0.tgz",
@@ -2597,6 +2648,22 @@
         "node": ">=10"
       }
     },
+    "node_modules/chevrotain": {
+      "version": "12.0.0",
+      "resolved": "https://registry.npmjs.org/chevrotain/-/chevrotain-12.0.0.tgz",
+      "integrity": "sha512-csJvb+6kEiQaqo1woTdSAuOWdN0WTLIydkKrBnS+V5gZz0oqBrp4kQ35519QgK6TpBThiG3V1vNSHlIkv4AglQ==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@chevrotain/cst-dts-gen": "12.0.0",
+        "@chevrotain/gast": "12.0.0",
+        "@chevrotain/regexp-to-ast": "12.0.0",
+        "@chevrotain/types": "12.0.0",
+        "@chevrotain/utils": "12.0.0"
+      },
+      "engines": {
+        "node": ">=22.0.0"
+      }
+    },
     "node_modules/ci-info": {
       "version": "3.9.0",
       "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-3.9.0.tgz",
@@ -2686,6 +2753,17 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/core-js-pure": {
+      "version": "3.49.0",
+      "resolved": "https://registry.npmjs.org/core-js-pure/-/core-js-pure-3.49.0.tgz",
+      "integrity": "sha512-XM4RFka59xATyJv/cS3O3Kml72hQXUeGRuuTmMYFxwzc9/7C8OYTaIR/Ji+Yt8DXzsFLNhat15cE/JP15HrCgw==",
+      "hasInstallScript": true,
+      "license": "MIT",
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/core-js"
+      }
+    },
     "node_modules/create-jest": {
       "version": "29.7.0",
       "resolved": "https://registry.npmjs.org/create-jest/-/create-jest-29.7.0.tgz",
@@ -4531,6 +4609,16 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/js-toml": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/js-toml/-/js-toml-1.1.0.tgz",
+      "integrity": "sha512-ttRqC9rcSsV7diH6CsneXqDJWb0l9Guv2dA/0a3SQwdldCk6qsXN4O7Tg5UQevove7CXaYCcsqBn9wEQiIM3ZQ==",
+      "license": "MIT",
+      "dependencies": {
+        "chevrotain": "^12.0.0",
+        "xregexp": "^5.1.2"
+      }
+    },
     "node_modules/js-yaml": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.1.tgz",
@@ -5885,6 +5973,19 @@
         "punycode": "^2.1.0"
       }
     },
+    "node_modules/uuid": {
+      "version": "13.0.0",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-13.0.0.tgz",
+      "integrity": "sha512-XQegIaBTVUjSHliKqcnFqYypAd4S+WCYt5NIeRs6w/UAry7z8Y9j5ZwRRL4kzq9U3sD6v+85er9FvkEaBpji2w==",
+      "funding": [
+        "https://github.com/sponsors/broofa",
+        "https://github.com/sponsors/ctavan"
+      ],
+      "license": "MIT",
+      "bin": {
+        "uuid": "dist-node/bin/uuid"
+      }
+    },
     "node_modules/v8-to-istanbul": {
       "version": "9.3.0",
       "resolved": "https://registry.npmjs.org/v8-to-istanbul/-/v8-to-istanbul-9.3.0.tgz",
@@ -5981,6 +6082,15 @@
         "node": "^12.13.0 || ^14.15.0 || >=16.0.0"
       }
     },
+    "node_modules/xregexp": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/xregexp/-/xregexp-5.1.2.tgz",
+      "integrity": "sha512-6hGgEMCGhqCTFEJbqmWrNIPqfpdirdGWkqshu7fFZddmTSfgv5Sn9D2SaKloR79s5VUiUlpwzg3CM3G6D3VIlw==",
+      "license": "MIT",
+      "dependencies": {
+        "@babel/runtime-corejs3": "^7.26.9"
+      }
+    },
     "node_modules/y18n": {
       "version": "5.0.8",
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",

package.json

@@ -36,7 +36,9 @@
     "@actions/http-client": "^3.0.2",
     "@actions/io": "^2.0.0",
     "@actions/tool-cache": "^3.0.1",
-    "semver": "^7.6.3"
+    "js-toml": "^1.1.0",
+    "semver": "^7.6.3",
+    "uuid": "^13.0.0"
   },
   "devDependencies": {
     "@types/jest": "^29.5.14",

src/util.ts

@@ -1,6 +1,7 @@
 import * as core from '@actions/core';
 import * as exec from '@actions/exec';
 import * as io from '@actions/io';
+import {load} from 'js-toml';
 
 import fs from 'fs';
 import path from 'path';
@@ -68,6 +69,22 @@ 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 {
+    const manifest: Record<string, any> = load(contents);
+    if (manifest?.tools?.node) {
+      const node = manifest.tools.node;
+
+      if (typeof node === 'object' && node?.version) {
+        return node.version;
+      }
+
+      return node;
+    }
+  } catch {
+    core.info('Node version file is not TOML file');
+  }
+
   const found = contents.match(/^(?:node(js)?\s+)?v?(?<version>[^\s]+)$/m);
   return found?.groups?.version ?? contents.trim();
 }