chore(release): v1.0.0

Author: alexander-akait

.gitignore

@@ -1,3 +1,2 @@
 node_modules
 coverage
-lib

.travis.yml

@@ -1,5 +1,31 @@
+sudo: false
+
+git:
+  depth: 10
+
+branches:
+  only:
+    - master
+
 language: node_js
-node_js:
-  - "4"
-  - "6"
-  - "node"
+
+# cache node modules
+cache:
+  directories:
+    - $HOME/.npm
+    - node_modules
+
+matrix:
+  fast_finish: true
+  include:
+    - node_js: '10'
+      script: npm run test -- --no-coverage
+    - node_js: '8'
+      script: npm run test -- --no-coverage
+    - node_js: '6'
+      script: npm run test -- --no-coverage
+
+before_install:
+  - npm install -g npm@latest
+  - node --version
+  - npm --version

lib/index.js

@@ -0,0 +1,104 @@
+"use strict";
+
+var _postcss = _interopRequireDefault(require("postcss"));
+
+var _postcssValueParser = _interopRequireDefault(
+  require("postcss-value-parser")
+);
+
+var _icssUtils = require("icss-utils");
+
+function _interopRequireDefault(obj) {
+  return obj && obj.__esModule ? obj : { default: obj };
+}
+
+/* eslint-env node */
+const plugin = "postcss-plugin-import";
+
+const getArg = nodes =>
+  nodes.length !== 0 && nodes[0].type === "string"
+    ? nodes[0].value
+    : _postcssValueParser.default.stringify(nodes);
+
+const getUrl = node => {
+  if (node.type === "function" && node.value.toLowerCase() === "url") {
+    return getArg(node.nodes);
+  }
+
+  if (node.type === "string") {
+    return node.value;
+  }
+
+  return "";
+};
+
+const parseImport = params => {
+  const _valueParser = (0, _postcssValueParser.default)(params),
+    nodes = _valueParser.nodes;
+
+  if (nodes.length === 0) {
+    return null;
+  }
+
+  const url = getUrl(nodes[0]);
+
+  if (url.trim().length === 0) {
+    return null;
+  }
+
+  return {
+    url,
+    media: _postcssValueParser.default.stringify(nodes.slice(1)).trim()
+  };
+};
+
+const isExternalUrl = url => !/^\w+:\/\//.test(url) && !url.startsWith("//");
+
+module.exports = _postcss.default.plugin(
+  plugin,
+  (options = {}) => (css, result) => {
+    const imports = {};
+    const filter = options.filter || isExternalUrl;
+    css.walkAtRules(/^import$/i, atrule => {
+      // Convert only top-level @import
+      if (atrule.parent.type !== "root") {
+        return;
+      }
+
+      if (atrule.nodes) {
+        return result.warn(
+          "It looks like you didn't end your @import statement correctly. " +
+            "Child nodes are attached to it.",
+          {
+            node: atrule
+          }
+        );
+      }
+
+      const parsed = parseImport(atrule.params);
+
+      if (parsed === null) {
+        return result.warn(`Unable to find uri in '${atrule.toString()}'`, {
+          node: atrule
+        });
+      }
+
+      if (filter && !filter(parsed.url)) {
+        return;
+      }
+
+      atrule.remove();
+      imports[
+        `'${parsed.url}'${
+          parsed.media.length > 0 ? ` ${parsed.media.toLowerCase()}` : ""
+        }`
+      ] = {};
+    });
+
+    if (Object.keys(imports).length === 0) {
+      return;
+    }
+
+    css.prepend((0, _icssUtils.createICSSRules)(imports, {}));
+  }
+);

package.json

@@ -1,6 +1,6 @@
 {
   "name": "postcss-icss-import",
-  "version": "0.1.0",
+  "version": "1.0.0",
   "description": "PostCSS plugin for css-modules to convert @import statements to ICSS",
   "main": "lib/index.js",
   "files": [
@@ -20,41 +20,54 @@
     ]
   },
   "eslintConfig": {
+    "parser": "babel-eslint",
     "parserOptions": {
-      "ecmaVersion": 6,
       "sourceType": "module"
     },
+    "env": {
+      "es6": true,
+      "node": true,
+      "jest": true
+    },
     "extends": "eslint:recommended"
   },
   "babel": {
     "presets": [
       [
-        "env",
+        "@babel/preset-env",
         {
           "targets": {
-            "node": 4
+            "node": 6
           }
         }
       ]
     ]
   },
+  "husky": {
+    "hooks": {
+      "pre-commit": "lint-staged"
+    }
+  },
   "repository": "css-modules/postcss-icss-import",
   "author": "Bogdan Chadkin <[email protected]>",
   "license": "MIT",
   "devDependencies": {
-    "babel-cli": "^6.24.1",
-    "babel-jest": "^20.0.3",
-    "babel-preset-env": "^1.5.1",
-    "eslint": "^3.19.0",
-    "husky": "^0.13.4",
-    "jest": "^20.0.4",
-    "lint-staged": "^3.5.1",
-    "prettier": "^1.3.1",
+    "@babel/cli": "^7.1.0",
+    "@babel/core": "^7.1.0",
+    "@babel/preset-env": "^7.1.0",
+    "babel-core": "7.0.0-bridge.0",
+    "babel-eslint": "^10.0.0",
+    "babel-jest": "^23.6.0",
+    "eslint": "^5.6.0",
+    "husky": "^1.0.0",
+    "jest": "^23.6.0",
+    "lint-staged": "^7.3.0",
+    "prettier": "^1.4.4",
     "strip-indent": "^2.0.0"
   },
   "dependencies": {
-    "icss-utils": "^2.1.0",
-    "postcss": "^6.0.1",
+    "icss-utils": "css-modules/icss-utils#chore-release-4",
+    "postcss": "^7.0.2",
     "postcss-value-parser": "^3.3.0"
   }
 }

src/index.js

@@ -1,4 +1,3 @@
-/* eslint-env node */
 import postcss from "postcss";
 import valueParser from "postcss-value-parser";
 import { createICSSRules } from "icss-utils";
@@ -11,7 +10,7 @@ const getArg = nodes =>
     : valueParser.stringify(nodes);
 
 const getUrl = node => {
-  if (node.type === "function" && node.value === "url") {
+  if (node.type === "function" && node.value.toLowerCase() === "url") {
     return getArg(node.nodes);
   }
   if (node.type === "string") {
@@ -35,19 +34,16 @@ const parseImport = params => {
   };
 };
 
-const isExternalUrl = url => /^\w+:\/\//.test(url) || url.startsWith("//");
+const defaultFilter = url => !/^\w+:\/\//.test(url) && !url.startsWith("//");
 
-const walkImports = (css, callback) => {
-  css.each(node => {
-    if (node.type === "atrule" && node.name.toLowerCase() === "import") {
-      callback(node);
-    }
-  });
-};
-
-module.exports = postcss.plugin(plugin, () => (css, result) => {
+module.exports = postcss.plugin(plugin, (options = {}) => (css, result) => {
   const imports = {};
-  walkImports(css, atrule => {
+  const filter = options.filter || defaultFilter;
+  css.walkAtRules(/^import$/i, atrule => {
+    // Convert only top-level @import
+    if (atrule.parent.type !== "root") {
+      return;
+    }
     if (atrule.nodes) {
       return result.warn(
         "It looks like you didn't end your @import statement correctly. " +
@@ -61,13 +57,20 @@ module.exports = postcss.plugin(plugin, () => (css, result) => {
         node: atrule
       });
     }
-    if (!isExternalUrl(parsed.url)) {
-      atrule.remove();
-      imports[`'${parsed.url}'`] = {
-        import: "default" +
-          (parsed.media.length === 0 ? "" : ` ${parsed.media}`)
-      };
+    if (filter && !filter(parsed.url)) {
+      return;
     }
+    atrule.remove();
+    imports[
+      `'${parsed.url}'${
+        parsed.media.length > 0 ? ` ${parsed.media.toLowerCase()}` : ""
+      }`
+    ] = {};
   });
+
+  if (Object.keys(imports).length === 0) {
+    return;
+  }
+
   css.prepend(createICSSRules(imports, {}));
 });