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babel-plugin-module-alias

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babel-plugin-module-alias - npm Package Compare versions

Comparing version

0.2.0
to
1.0.0

.babelrc

108

lib/index.js
'use strict';
Object.defineProperty(exports, '__esModule', {
Object.defineProperty(exports, "__esModule", {
value: true
});
var path = require('path');
var glob = require('glob');
var _ = require('lodash');
var pluginName = 'module-alias';
var filesMap = {};
function mapModule(context, module) {
if (!_.keys(filesMap).length) {
_.each(context.state.opts.extra[pluginName] || [], function (moduleMapData) {
filesMap[moduleMapData.expose] = filesMap[moduleMapData.expose] || {
src: moduleMapData.src,
files: []
};
var src = path.join(moduleMapData.src, '**', '*');
_.merge(filesMap[moduleMapData.expose].files, glob.sync(src));
});
}
var moduleSplit = module.split('/');
if (moduleSplit.length < 2 || !filesMap.hasOwnProperty(moduleSplit[0])) {
return;
}
var currentFile = context.state.opts.filename;
moduleSplit[0] = filesMap[moduleSplit[0]].src;
var moduleMapped = path.relative(path.dirname(currentFile), path.normalize(moduleSplit.join('/')));
if (moduleMapped[0] != '.') moduleMapped = './' + moduleMapped;
return moduleMapped;
}
exports['default'] = function (_ref) {
var Plugin = _ref.Plugin;
exports.default = function (_ref) {
var t = _ref.types;
function transformRequireCall(context, call) {
if (!t.isIdentifier(call.callee, { name: 'require' }) && !(t.isMemberExpression(call.callee) && t.isIdentifier(call.callee.object, { name: 'require' }))) {
return;
function transformRequireCall(nodePath, state, filesMap) {
if (!t.isIdentifier(nodePath.node.callee, { name: 'require' }) && !(t.isMemberExpression(nodePath.node.callee) && t.isIdentifier(nodePath.node.callee.object, { name: 'require' }))) {
return null;
}
var moduleArg = call.arguments[0];
if (moduleArg && moduleArg.type === 'Literal') {
var module = mapModule(context, moduleArg.value);
if (module) {
return t.callExpression(call.callee, [t.literal(module)]);
var moduleArg = nodePath.node.arguments[0];
if (moduleArg && moduleArg.type === 'StringLiteral') {
var modulePath = mapModule(moduleArg.value, state, filesMap);
if (modulePath) {
nodePath.replaceWith(t.callExpression(nodePath.node.callee, [t.stringLiteral(modulePath)]));
}

@@ -57,8 +24,8 @@ }

function transformImportCall(context, call) {
var moduleArg = call.source;
if (moduleArg && moduleArg.type === 'Literal') {
var module = mapModule(context, moduleArg.value);
if (module) {
return t.importDeclaration(call.specifiers, t.literal(module));
function transformImportCall(nodePath, state, filesMap) {
var moduleArg = nodePath.node.source;
if (moduleArg && moduleArg.type === 'StringLiteral') {
var modulePath = mapModule(moduleArg.value, state, filesMap);
if (modulePath) {
nodePath.replaceWith(t.importDeclaration(nodePath.node.specifiers, t.stringLiteral(modulePath)));
}

@@ -68,19 +35,46 @@ }

return new Plugin(pluginName, {
return {
visitor: {
CallExpression: {
exit: function exit(node, parent, scope) {
return transformRequireCall(this, node);
exit: function exit(nodePath, state) {
return transformRequireCall(nodePath, state, createFilesMap(state));
}
},
ImportDeclaration: {
exit: function exit(node) {
return transformImportCall(this, node);
exit: function exit(nodePath, state) {
return transformImportCall(nodePath, state, createFilesMap(state));
}
}
}
});
};
};
;
module.exports = exports['default'];
var path = require('path');
function createFilesMap(state) {
var result = {};
if (!Array.isArray(state.opts)) {
state.opts = [state.opts];
}
state.opts.forEach(function (moduleMapData) {
result[moduleMapData.expose] = moduleMapData.src;
});
return result;
}
function mapModule(modulePath, state, filesMap) {
var moduleSplit = modulePath.split('/');
if (!filesMap.hasOwnProperty(moduleSplit[0])) {
return null;
}
var currentFile = state.file.opts.filename;
moduleSplit[0] = filesMap[moduleSplit[0]];
var moduleMapped = path.relative(path.dirname(currentFile), path.normalize(moduleSplit.join('/')));
if (moduleMapped[0] !== '.') moduleMapped = './' + moduleMapped;
return moduleMapped;
}

30

package.json
{
"name": "babel-plugin-module-alias",
"version": "0.2.0",
"version": "1.0.0",
"main": "lib/index.js",

@@ -13,12 +13,2 @@ "description": "Babel plugin to rewrite the path in require() and ES6 import",

"license": "MIT",
"dependencies": {
"babel-core": "^5.8.22",
"glob": "^5.0.14",
"lodash": "^3.10.1"
},
"scripts": {
"build": "babel-plugin build",
"push": "babel-plugin publish",
"test": "babel-plugin test"
},
"keywords": [

@@ -31,3 +21,19 @@ "babel",

"rename"
]
],
"dependencies": {},
"devDependencies": {
"babel-cli": "^6.0.14",
"babel-core": "^6.0.14",
"babel-eslint": "^4.1.3",
"babel-preset-es2015": "^6.0.14",
"eslint": "^1.7.3",
"eslint-config-airbnb": "^0.1.0",
"mocha": "^2.3.3"
},
"scripts": {
"build": "babel-plugin build",
"push": "babel-plugin publish",
"test": "mocha --compilers js:babel-core/register",
"posttest": "eslint src test"
}
}

11

README.md

@@ -9,3 +9,8 @@ # Module alias plugin for Babel

Instead of writing `var m = require('../../../../utils/myUtils')` or `import m from '../../../../myUtils'`. You could just use `var m = require('utils/myUtils')` or the equivalent ES6 import `import m from 'utils/myUtils'`.
Instead of writing `var m = require('../../../../utils/myUtils')` or `import m from '../../../../myUtils'`. This plugin will allow you to set an alias to access your plugin.
```js
var myUtils = require('utils/myUtils');
// or
import myUtils from 'utils/myUtils';
```

@@ -18,3 +23,3 @@ To do so, first install babel and the plugin

Then, the recommended way of using it is by using the file `.babelrc` to setup the configuration for Babel.
```
```json
{

@@ -34,3 +39,3 @@ "plugins": [

```
```json
{

@@ -37,0 +42,0 @@ "plugins": [

.eslintrc

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.npmignore

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