Add ability to call as API

bin/jscodefmt

@@ -2,41 +2,13 @@
 
 const fs = require("fs");
 const argv = require("minimist")(process.argv.slice(2));
-const recast = require("recast");
-const babylon = require("babylon");
+const jscodefmt = require("../index");
 
 const filename = argv["_"][0];
 const printWidth = argv['print-width'] || 80;
 const tabWidth = argv['tab-width'] || 2;
 
-var babylonOptions = {
-  sourceType: 'module',
-  allowImportExportEverywhere: false,
-  allowReturnOutsideFunction: false,
-  plugins: [
-    'asyncFunctions',
-    'asyncGenerators',
-    'classConstructorCall',
-    'classProperties',
-    'decorators',
-    'doExpressions',
-    'exponentiationOperator',
-    'exportExtensions',
-    'flow',
-    'functionSent',
-    'functionBind',
-    'jsx',
-    'objectRestSpread',
-    'trailingFunctionCommas'
-  ]
-};
-
-const ast = recast.parse(fs.readFileSync(filename, "utf8"), {
-  parser: {
-    parse: function(source) {
-      return babylon.parse(source, babylonOptions);
-    }
-  }
+jscodefmt.format(fs.readFileSync(filename, "utf8"), {
+  printWidth,
+  tabWidth
 });
-
-console.log(recast.prettyPrint(ast, { tabWidth, wrapColumn: printWidth }).code);

index.js

@@ -0,0 +1,41 @@
+const recast = require("recast");
+const babylon = require("babylon");
+
+var babylonOptions = {
+  sourceType: 'module',
+  allowImportExportEverywhere: false,
+  allowReturnOutsideFunction: false,
+  plugins: [
+    'asyncFunctions',
+    'asyncGenerators',
+    'classConstructorCall',
+    'classProperties',
+    'decorators',
+    'doExpressions',
+    'exponentiationOperator',
+    'exportExtensions',
+    'flow',
+    'functionSent',
+    'functionBind',
+    'jsx',
+    'objectRestSpread',
+    'trailingFunctionCommas'
+  ]
+};
+
+module.exports = {
+  format: function(text, opts={}) {
+    const { tabWidth, printWidth } = opts;
+
+    const ast = recast.parse(text, {
+      parser: {
+        parse: function(source) {
+          return babylon.parse(source, babylonOptions);
+        }
+      }
+    });
+
+    const result = recast.prettyPrint(ast, { tabWidth, wrapColumn: printWidth });
+    console.log(result.code);
+  }
+};

package.json

@@ -2,6 +2,7 @@
   "name": "jscodefmt",
   "version": "0.0.1",
   "bin": { "jscodefmt": "./bin/jscodefmt" },
+  "main": "./index.js",
   "dependencies": {
     "babylon": "^6.14.1",
     "minimist": "^1.2.0",