refactor: code

.editorconfig

@@ -0,0 +1,13 @@
+# editorconfig.org
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.md]
+trim_trailing_whitespace = false

.eslintrc

@@ -0,0 +1,11 @@
+{
+  "parserOptions": {
+    "ecmaVersion": 2018
+  },
+  "env": {
+    "node": true,
+    "es6": true,
+    "jest": true
+  },
+  "extends": "eslint:recommended"
+}

.gitignore

@@ -1,3 +1,6 @@
-node_modules
+.idea
+*.iml
+.nyc_output
 coverage
-lib
+node_modules
+

.travis.yml

@@ -1,36 +1,13 @@
-sudo: false
-
-git:
-  depth: 10
-
-branches:
-  only:
-    - master
-    - next
-
 language: node_js
 
-cache:
-  yarn: true
-  directories:
-    - node_modules
-
-matrix:
-  include:
-    - node_js: "12"
-      env: JOB_PART=pretest
-    - node_js: "6"
-      env: JOB_PART=test
-    - node_js: "8"
-      env: JOB_PART=test
-    - node_js: "10"
-      env: JOB_PART=test
-    - node_js: "12"
-      env: JOB_PART=test
+node_js:
+  - "10"
+  - "12"
+  - "14"
 
-before_script:
-  - node --version
-  - yarn --version
+script: yarn ci
 
-script:
-  - yarn $JOB_PART
+after_success:
+  - cat ./coverage/lcov.info | node_modules/.bin/coveralls --verbose
+  - cat ./coverage/coverage.json | node_modules/codecov.io/bin/codecov.io.js
+  - rm -rf ./coverage

README.md

@@ -66,12 +66,15 @@ Converts icss imports and exports definitions to postcss ast
 createICSSRules(
   {
     colors: {
-      a: "b"
-    }
+      a: "b",
+    },
   },
   {
-    c: "d"
-  }
+    c: "d",
+  },
+  // Need pass `rule` and `decl` from postcss
+  // Please look at `Step 4` https://evilmartians.com/chronicles/postcss-8-plugin-migration
+  postcss
 );
 ```
 

husky.config.js

@@ -0,0 +1,5 @@
+module.exports = {
+  hooks: {
+    "pre-commit": "lint-staged",
+  },
+};

lint-staged.config.js

@@ -0,0 +1,4 @@
+module.exports = {
+  "*.js": ["eslint --fix", "prettier --write"],
+  "*.{json,md,yml,css,ts}": ["prettier --write"],
+};

package.json

@@ -2,55 +2,24 @@
   "name": "icss-utils",
   "version": "4.1.1",
   "description": "ICSS utils for postcss ast",
-  "main": "lib/index.js",
+  "main": "src/index.js",
   "engines": {
-    "node": ">= 6"
+    "node": ">= 10.13.0 || >= 12.13.0 || >= 14"
   },
   "files": [
-    "lib"
+    "src"
   ],
   "scripts": {
-    "lint": "eslint . --ignore-path .gitignore",
-    "build": "babel --out-dir lib src",
-    "pretest": "npm run lint",
-    "test": "npm run test:only",
+    "prettier": "prettier -l --ignore-path .gitignore . \"!test/test-cases\"",
+    "eslint": "eslint --ignore-path .gitignore .",
+    "lint": "yarn eslint && yarn prettier",
+    "pretest": "yarn lint",
+    "test": "jest --coverage",
     "test:only": "jest",
-    "prepublish": "yarn test && yarn run build"
-  },
-  "babel": {
-    "presets": [
-      [
-        "@babel/preset-env",
-        {
-          "targets": {
-            "node": 6
-          }
-        }
-      ]
-    ]
-  },
-  "eslintConfig": {
-    "parser": "babel-eslint",
-    "parserOptions": {
-      "sourceType": "module"
-    },
-    "env": {
-      "es6": true,
-      "jest": true
-    },
-    "extends": "eslint:recommended"
-  },
-  "lint-staged": {
-    "*.js": [
-      "prettier --write",
-      "eslint",
-      "git add"
-    ]
-  },
-  "husky": {
-    "hooks": {
-      "pre-commit": "lint-staged"
-    }
+    "autotest": "jest --coverage --watch",
+    "cover": "jest --coverage",
+    "ci": "yarn pretest && yarn cover",
+    "prepublishOnly": "yarn test"
   },
   "repository": {
     "type": "git",
@@ -68,19 +37,15 @@
     "url": "https://github.com/css-modules/icss-utils/issues"
   },
   "homepage": "https://github.com/css-modules/icss-utils#readme",
-  "dependencies": {
-    "postcss": "^7.0.14"
-  },
   "devDependencies": {
-    "@babel/cli": "^7.1.0",
-    "@babel/core": "^7.1.0",
-    "@babel/preset-env": "^7.1.0",
-    "babel-eslint": "^10.0.1",
-    "babel-jest": "^24.1.0",
-    "eslint": "^5.14.1",
-    "husky": "^1.3.1",
-    "jest": "^24.1.0",
-    "lint-staged": "^8.1.4",
-    "prettier": "^1.16.4"
+    "eslint": "^7.9.0",
+    "husky": "^4.3.0",
+    "jest": "^26.4.2",
+    "lint-staged": "^10.4.0",
+    "postcss": "^8.0.6",
+    "prettier": "^2.1.2"
+  },
+  "peerDependencies": {
+    "postcss": "^8.0.0"
   }
 }

src/createICSSRules.js

@@ -1,21 +1,19 @@
-import postcss from "postcss";
-
-const createImports = imports => {
-  return Object.keys(imports).map(path => {
+const createImports = (imports, postcss) => {
+  return Object.keys(imports).map((path) => {
     const aliases = imports[path];
-    const declarations = Object.keys(aliases).map(key =>
+    const declarations = Object.keys(aliases).map((key) =>
       postcss.decl({
         prop: key,
         value: aliases[key],
-        raws: { before: "\n  " }
+        raws: { before: "\n  " },
       })
     );
 
     const hasDeclarations = declarations.length > 0;
 
     const rule = postcss.rule({
       selector: `:import('${path}')`,
-      raws: { after: hasDeclarations ? "\n" : "" }
+      raws: { after: hasDeclarations ? "\n" : "" },
     });
 
     if (hasDeclarations) {
@@ -26,12 +24,12 @@ const createImports = imports => {
   });
 };
 
-const createExports = exports => {
-  const declarations = Object.keys(exports).map(key =>
+const createExports = (exports, postcss) => {
+  const declarations = Object.keys(exports).map((key) =>
     postcss.decl({
       prop: key,
       value: exports[key],
-      raws: { before: "\n  " }
+      raws: { before: "\n  " },
     })
   );
 
@@ -42,16 +40,16 @@ const createExports = exports => {
   const rule = postcss
     .rule({
       selector: `:export`,
-      raws: { after: "\n" }
+      raws: { after: "\n" },
     })
     .append(declarations);
 
   return [rule];
 };
 
-const createICSSRules = (imports, exports) => [
-  ...createImports(imports),
-  ...createExports(exports)
+const createICSSRules = (imports, exports, postcss) => [
+  ...createImports(imports, postcss),
+  ...createExports(exports, postcss),
 ];
 
-export default createICSSRules;
+module.exports = createICSSRules;

src/extractICSS.js

@@ -1,9 +1,9 @@
 const importPattern = /^:import\(("[^"]*"|'[^']*'|[^"']+)\)$/;
 
-const getDeclsObject = rule => {
+const getDeclsObject = (rule) => {
   const object = {};
 
-  rule.walkDecls(decl => {
+  rule.walkDecls((decl) => {
     const before = decl.raws.before ? decl.raws.before.trim() : "";
 
     object[before + decl.prop] = decl.value;
@@ -16,7 +16,7 @@ const extractICSS = (css, removeRules = true) => {
   const icssImports = {};
   const icssExports = {};
 
-  css.each(node => {
+  css.each((node) => {
     if (node.type === "rule") {
       if (node.selector.slice(0, 7) === ":import") {
         const matches = importPattern.exec(node.selector);
@@ -48,4 +48,4 @@ const extractICSS = (css, removeRules = true) => {
   return { icssImports, icssExports };
 };
 
-export default extractICSS;
+module.exports = extractICSS;

src/index.js

@@ -1,4 +1,11 @@
-export { default as replaceValueSymbols } from "./replaceValueSymbols.js";
-export { default as replaceSymbols } from "./replaceSymbols.js";
-export { default as extractICSS } from "./extractICSS.js";
-export { default as createICSSRules } from "./createICSSRules.js";
+const replaceValueSymbols = require("./replaceValueSymbols.js");
+const replaceSymbols = require("./replaceSymbols.js");
+const extractICSS = require("./extractICSS.js");
+const createICSSRules = require("./createICSSRules.js");
+
+module.exports = {
+  replaceValueSymbols,
+  replaceSymbols,
+  extractICSS,
+  createICSSRules,
+};

src/replaceSymbols.js

@@ -1,7 +1,7 @@
-import replaceValueSymbols from "./replaceValueSymbols.js";
+const replaceValueSymbols = require("./replaceValueSymbols.js");
 
 const replaceSymbols = (css, replacements) => {
-  css.walk(node => {
+  css.walk((node) => {
     if (node.type === "decl" && node.value) {
       node.value = replaceValueSymbols(node.value.toString(), replacements);
     } else if (node.type === "rule" && node.selector) {
@@ -15,4 +15,4 @@ const replaceSymbols = (css, replacements) => {
   });
 };
 
-export default replaceSymbols;
+module.exports = replaceSymbols;

src/replaceValueSymbols.js

@@ -19,4 +19,4 @@ const replaceValueSymbols = (value, replacements) => {
   return value;
 };
 
-export default replaceValueSymbols;
+module.exports = replaceValueSymbols;

test/createICSSRules.test.js

@@ -1,18 +1,18 @@
-import postcss from "postcss";
-import { createICSSRules } from "../src";
+const postcss = require("postcss");
+const { createICSSRules } = require("../src");
 
 const run = (imports, exports) => {
   return postcss
     .root()
-    .append(createICSSRules(imports, exports))
+    .append(createICSSRules(imports, exports, postcss))
     .toString();
 };
 
 test("create empty :import statement", () => {
   expect(
     run(
       {
-        "path/file": {}
+        "path/file": {},
       },
       {}
     )
@@ -24,8 +24,8 @@ test("create :import statement", () => {
     run(
       {
         "path/file": {
-          e: "f"
-        }
+          e: "f",
+        },
       },
       {}
     )
@@ -38,7 +38,7 @@ test("create :export statement", () => {
       {},
       {
         a: "b",
-        c: "d"
+        c: "d",
       }
     )
   ).toEqual(":export {\n  a: b;\n  c: d\n}");
@@ -49,11 +49,11 @@ test("create :import and :export", () => {
     run(
       {
         colors: {
-          a: "b"
-        }
+          a: "b",
+        },
       },
       {
-        c: "d"
+        c: "d",
       }
     )
   ).toEqual(":import('colors') {\n  a: b\n}\n:export {\n  c: d\n}");