feat: add vitest

.editorconfig

@@ -0,0 +1,15 @@
+# https://editorconfig.org
+
+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+insert_final_newline = false
+trim_trailing_whitespace = false

.github/workflows/node.js.yml

@@ -0,0 +1,38 @@
+# This workflow will do a clean installation of node dependencies, cache/restore them, build the source code and run tests across different versions of node
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
+
+name: Node.js CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [macos-latest, ubuntu-latest]
+        node-version: [14.x, 16.x]
+        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+        cache: 'npm'
+    - run: npm i
+    - run: npm run build --if-present
+    - run: npm run coverage
+    - if: ${{ matrix.node-version == '14.x' && matrix.os == 'ubuntu-latest' }}
+      name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v2
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}
+        directory: ./coverage

.gitignore

@@ -102,3 +102,9 @@ dist
 
 # TernJS port file
 .tern-port
+
+# pnpm lockfile
+pnpm-lock.yaml
+
+# output
+libs

README.md

@@ -1 +1,13 @@
-# less-plugin-module-resolver
+# less-plugin-module-resolver
+
+
+## Usage
+
+```js
+const less = require('less');
+const ModuleResolverPlugin = require('less-plugin-module-resolver');
+
+less.render('input', {
+  plugins: [new ModuleResolverPlugin()],
+});
+```

lib/index.js

@@ -0,0 +1,10 @@
+module.exports = class LessPluginModuleResolver {
+    options;
+    constructor(options) {
+        this.options = options;
+    }
+    install(less, pluginManager) {
+        // noop yet
+    }
+    minVersion = [2, 1, 1];
+};

package.json

@@ -0,0 +1,31 @@
+{
+  "name": "less-plugin-module-resolver",
+  "version": "0.0.1",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "compile": "tsc",
+    "test": "vitest",
+    "coverage": "vitest run --coverage"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/vagusX/less-plugin-module-resolver.git"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/vagusX/less-plugin-module-resolver/issues"
+  },
+  "homepage": "https://github.com/vagusX/less-plugin-module-resolver#readme",
+  "devDependencies": {
+    "@less/test-data": "^4.1.0",
+    "@types/less": "^3.0.3",
+    "@types/node": "^17.0.31",
+    "c8": "^7.11.2",
+    "less": "^4.1.2",
+    "typescript": "^4.6.4",
+    "vitest": "^0.10.2"
+  }
+}

src/alias-file-manager.ts

@@ -0,0 +1,26 @@
+export function getAliasFileManager(less: LessStatic) {
+
+  return class AliasFileManager extends less.FileManager implements Less.FileManager {
+    constructor(private readonly options: any) {
+      super();
+    }
+
+    supports(filename: string, currentDirectory: string, options: Less.LoadFileOptions, environment: Less.Environment): boolean {
+    }
+
+    supportsSync(filename: string, currentDirectory: string, options: Less.LoadFileOptions, environment: Less.Environment): boolean {
+    }
+
+    loadFile(filename: string, currentDirectory: string, options: Less.LoadFileOptions, environment: Less.Environment): Promise<Less.FileLoadResult> {
+
+    }
+
+    loadFileSync(filename: string, currentDirectory: string, options: Less.LoadFileOptions, environment: Less.Environment): Less.FileLoadResult | Less.FileLoadError {
+
+    }
+
+    private resolve(filename: string, currentDirectory: string) {
+
+    }
+  }
+}

src/index.ts

@@ -0,0 +1,15 @@
+import { getAliasFileManager } from "./alias-file-manager";
+
+export interface LessPluginModuleResolverOptions {}
+
+export class LessPluginModuleResolver implements Less.Plugin  {
+  constructor(private readonly options: LessPluginModuleResolverOptions) {}
+
+  public install(less: LessStatic, pluginManager: Less.PluginManager): void {
+    // noop yet
+    const AliasFileManager = getAliasFileManager(less);
+    pluginManager.addFileManager(new AliasFileManager(this.options));
+  }
+
+  public minVersion: [number, number, number] = [2, 1, 1];
+}

test/css/module-resolver/test.css

@@ -0,0 +1,15 @@
+.test_file {
+  color: black;
+}
+.test_file_css {
+  color: black;
+}
+.test_deeper_file {
+  color: black;
+}
+.test_index {
+  color: black;
+}
+.test_deeper_index {
+  color: black;
+}

test/index.test.ts

@@ -0,0 +1,19 @@
+import { vi, expect, describe, it } from 'vitest';
+import less from 'less';
+
+import { LessPluginModuleResolver, LessPluginModuleResolverOptions } from '../src';
+
+function lessc(lessContent: string, pluginOptions: LessPluginModuleResolverOptions = {}) {
+  return less.render(lessContent, {
+    plugins: [new LessPluginModuleResolver(pluginOptions)],
+  });
+}
+
+describe('test cases', () => {
+  it('basic', async () => {
+    const { css } = await lessc(`
+      @white: #fff;
+    `);
+    expect(css).toBe('');
+  });
+});

test/less/module-resolver/test.less

@@ -0,0 +1,5 @@
+@import "npm://npm-import-plugin-test/file";
+@import (less) "npm://npm-import-plugin-test/file.css";
+@import "npm://npm-import-plugin-test/deeper/file";
+@import "npm://npm-import-plugin-test";
+@import "npm://npm-import-plugin-test/deeper/";

tsconfig.json

@@ -0,0 +1,67 @@
+{
+  "compilerOptions": {
+    /* Basic Options */
+    "target": "esnext", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */
+    "module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
+    /* Specify library files to be included in the compilation. */
+    "lib": [
+      "ESNext"
+    ],
+    // "allowJs": true,                       /* Allow javascript files to be compiled. */
+    // "checkJs": true,                       /* Report errors in .js files. */
+    // "jsx": "preserve",                     /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
+    "declaration": true, /* Generates corresponding '.d.ts' file. */
+    // "declarationMap": true,                /* Generates a sourcemap for each corresponding '.d.ts' file. */
+    "sourceMap": false,                     /* Generates corresponding '.map' file. */
+    // "outFile": "./",                       /* Concatenate and emit output to single file. */
+    "outDir": "lib", /* Redirect output structure to the directory. */
+    // "rootDir": "./",                       /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
+    // "composite": true,                     /* Enable project compilation */
+    // "removeComments": true,                /* Do not emit comments to output. */
+    // "noEmit": true,                        /* Do not emit outputs. */
+    // "importHelpers": true,                 /* Import emit helpers from 'tslib'. */
+    // "downlevelIteration": true,            /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
+    // "isolatedModules": true,               /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
+    "resolveJsonModule": true,
+    /* Strict Type-Checking Options */
+    "strict": false, /* Enable all strict type-checking options. */
+    // "noImplicitAny": true,                 /* Raise error on expressions and declarations with an implied 'any' type. */
+    // "strictNullChecks": true,              /* Enable strict null checks. */
+    // "strictFunctionTypes": true,           /* Enable strict checking of function types. */
+    // "strictPropertyInitialization": true,  /* Enable strict checking of property initialization in classes. */
+    // "noImplicitThis": true,                /* Raise error on 'this' expressions with an implied 'any' type. */
+    // "alwaysStrict": true,                  /* Parse in strict mode and emit "use strict" for each source file. */
+    "skipLibCheck": true,
+    /* Additional Checks */
+    "noUnusedLocals": true, /* Report errors on unused locals. */
+    // "noUnusedParameters": true,            /* Report errors on unused parameters. */
+    // "noImplicitReturns": true,             /* Report error when not all code paths in function return a value. */
+    // "noFallthroughCasesInSwitch": true,    /* Report errors for fallthrough cases in switch statement. */
+    /* Module Resolution Options */
+    "moduleResolution": "node",            /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
+    // "baseUrl": "./",                       /* Base directory to resolve non-absolute module names. */
+    // "paths": {},                           /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
+    // "rootDirs": [],                        /* List of root folders whose combined content represents the structure of the project at runtime. */
+    // "typeRoots": [],                       /* List of folders to include type definitions from. */
+    // "types": [],                           /* Type declaration files to be included in compilation. */
+    "allowSyntheticDefaultImports": true, /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
+    "esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
+    // "preserveSymlinks": true,              /* Do not resolve the real path of symlinks. */
+    /* Source Map Options */
+    // "sourceRoot": "./",                    /* Specify the location where debugger should locate TypeScript files instead of source locations. */
+    // "mapRoot": "./",                       /* Specify the location where debugger should locate map files instead of generated locations. */
+    // "inlineSourceMap": true,               /* Emit a single file with source maps instead of having a separate file. */
+    // "inlineSources": true,                 /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
+    /* Experimental Options */
+    // "experimentalDecorators": true,        /* Enables experimental support for ES7 decorators. */
+    // "emitDecoratorMetadata": true,         /* Enables experimental support for emitting type metadata for decorators. */
+    /* Advanced Options */
+    // "declarationDir": "lib"                /* Output directory for generated declaration files. */
+  },
+  "include": [
+    "src"
+  ],
+  "exclude": [
+    "node_modules*"
+  ]
+}