Support getting schema by url

Author: joarwilk

index.js

@@ -1,5 +1,7 @@
 #!/usr/bin/env node
 'use strict';
+const isUrl = require('is-url');
+
 const program = require('commander');
 
 // file I/O helpers
@@ -11,6 +13,9 @@ const interfaceUtils = require('./util/interface');
 // Module Utils
 const moduleUtils = require('./util/module');
 
+// Fetch utils
+const fetchUtils = require('./util/fetcher');
+
 program
   .version('0.3.0')
   .usage('[options] <schema.json>')
@@ -38,14 +43,34 @@ program
     v => v.split(','),
     []
   )
-  .action((fileName, options) => {
-    let schema = fileIO.readFile(fileName);
+  .action((path, options) => {
+    const getSchema = new Promise((resolve, reject) => {
+      if (isUrl(path)) {
+        fetchUtils.fetchWithIntrospection(path, (err, schema) => {
+          if (err) {
+            reject(err);
+          } else if (!schema.data) {
+            reject(
+              new Error('Server replied with an invalid introspection schema')
+            );
+          } else {
+            resolve(schema);
+          }
+        });
+      } else {
+        resolve(fileIO.readFile(path));
+      }
+    });
 
-    let interfaces = interfaceUtils.generateTypes(schema, options);
+    getSchema
+      .then(schema => {
+        let interfaces = interfaceUtils.generateTypes(schema, options);
 
-    let module = moduleUtils.generateModule(options.moduleName, interfaces);
+        let module = moduleUtils.generateModule(options.moduleName, interfaces);
 
-    moduleUtils.writeModuleToFile(options.outputFile, module);
+        moduleUtils.writeModuleToFile(options.outputFile, module);
+      })
+      .catch(err => console.error(err.message));
   })
   .parse(process.argv);
 

package.json

@@ -4,13 +4,15 @@
   "description": "Convert a GraphQL Schema to a Flowtype definition",
   "main": "index.js",
   "dependencies": {
-    "commander": "^2.9.0"
+    "commander": "^2.9.0",
+    "is-url": "^1.2.2",
+    "node-fetch": "^1.6.3"
   },
   "devDependencies": {
     "@types/graphql": "^0.7.1",
     "@types/node": "^6.0.45",
     "chai": "^3.5.0",
-    "graphql": "^0.7.2",
+    "graphql": "^0.9.6",
     "mocha": "^2.4.5"
   },
   "scripts": {

yarn.lock

@@ -1,5 +1,7 @@
 # THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
 # yarn lockfile v1
+
+
 "@types/graphql@^0.7.1":
   version "0.7.1"
   resolved "https://registry.yarnpkg.com/@types/graphql/-/graphql-0.7.1.tgz#fc42bb02d0b8ba52cc68501f9dcd67e6b89f86fe"
@@ -20,12 +22,6 @@ chai@^3.5.0:
     deep-eql "^0.1.3"
     type-detect "^1.0.0"
 
-commander@^2.9.0:
-  version "2.9.0"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.9.0.tgz#9c99094176e12240cb22d6c5146098400fe0f7d4"
-  dependencies:
-    graceful-readlink ">= 1.0.0"
-
 [email protected]:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/commander/-/commander-0.6.1.tgz#fa68a14f6a945d54dbbe50d8cdb3320e9e3b1a06"
@@ -34,6 +30,12 @@ [email protected]:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.3.0.tgz#fd430e889832ec353b9acd1de217c11cb3eef873"
 
+commander@^2.9.0:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.9.0.tgz#9c99094176e12240cb22d6c5146098400fe0f7d4"
+  dependencies:
+    graceful-readlink ">= 1.0.0"
+
 [email protected]:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.2.0.tgz#f87057e995b1a1f6ae6a4960664137bc56f039da"
@@ -50,6 +52,12 @@ [email protected]:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/diff/-/diff-1.4.0.tgz#7f28d2eb9ee7b15a97efd89ce63dcfdaa3ccbabf"
 
+encoding@^0.1.11:
+  version "0.1.12"
+  resolved "https://registry.yarnpkg.com/encoding/-/encoding-0.1.12.tgz#538b66f3ee62cd1ab51ec323829d1f9480c74beb"
+  dependencies:
+    iconv-lite "~0.4.13"
+
 [email protected]:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.2.tgz#4dbc2fe674e71949caf3fb2695ce7f2dc1d9a8d1"
@@ -65,23 +73,35 @@ [email protected]:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/graceful-readlink/-/graceful-readlink-1.0.1.tgz#4cafad76bc62f02fa039b2f94e9a3dd3a391a725"
 
-graphql@^0.7.2:
-  version "0.7.2"
-  resolved "https://registry.yarnpkg.com/graphql/-/graphql-0.7.2.tgz#cc894a32823399b8a0cb012b9e9ecad35cd00f72"
+graphql@^0.9.6:
+  version "0.9.6"
+  resolved "https://registry.yarnpkg.com/graphql/-/graphql-0.9.6.tgz#514421e9d225c29dfc8fd305459abae58815ef2c"
   dependencies:
-    iterall "1.0.2"
+    iterall "^1.0.0"
 
 [email protected]:
   version "1.9.2"
   resolved "https://registry.yarnpkg.com/growl/-/growl-1.9.2.tgz#0ea7743715db8d8de2c5ede1775e1b45ac85c02f"
 
+iconv-lite@~0.4.13:
+  version "0.4.17"
+  resolved "https://registry.yarnpkg.com/iconv-lite/-/iconv-lite-0.4.17.tgz#4fdaa3b38acbc2c031b045d0edcdfe1ecab18c8d"
+
 inherits@2:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
 
-[email protected]:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/iterall/-/iterall-1.0.2.tgz#41a2e96ce9eda5e61c767ee5dc312373bb046e91"
+is-stream@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
+
+is-url@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/is-url/-/is-url-1.2.2.tgz#498905a593bf47cc2d9e7f738372bbf7696c7f26"
+
+iterall@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/iterall/-/iterall-1.1.1.tgz#f7f0af11e9a04ec6426260f5019d9fcca4d50214"
 
 [email protected]:
   version "0.26.3"
@@ -134,6 +154,13 @@ [email protected]:
   version "0.7.1"
   resolved "https://registry.yarnpkg.com/ms/-/ms-0.7.1.tgz#9cd13c03adbff25b65effde7ce864ee952017098"
 
+node-fetch@^1.6.3:
+  version "1.6.3"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-1.6.3.tgz#dc234edd6489982d58e8f0db4f695029abcd8c04"
+  dependencies:
+    encoding "^0.1.11"
+    is-stream "^1.0.1"
+
 sigmund@~1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/sigmund/-/sigmund-1.0.1.tgz#3ff21f198cad2175f9f3b781853fd94d0d19b590"
@@ -146,11 +173,10 @@ [email protected]:
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/to-iso-string/-/to-iso-string-0.0.2.tgz#4dc19e664dfccbe25bd8db508b00c6da158255d1"
 
-type-detect@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-1.0.0.tgz#762217cc06db258ec48908a1298e8b95121e8ea2"
-
 [email protected]:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-0.1.1.tgz#0ba5ec2a885640e470ea4e8505971900dac58822"
 
+type-detect@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-1.0.0.tgz#762217cc06db258ec48908a1298e8b95121e8ea2"