Merge pull request graphql#48 from wincent/glh/extract-utils

Extract utils package

packages/graphql-language-service-utils/.babelrc

@@ -0,0 +1,25 @@
+{
+  "plugins": [
+    "syntax-async-functions",
+    "transform-class-properties",
+    "transform-flow-strip-types",
+    "transform-object-rest-spread",
+    "transform-es2015-template-literals",
+    "transform-es2015-literals",
+    "transform-es2015-function-name",
+    "transform-es2015-arrow-functions",
+    "transform-es2015-block-scoped-functions",
+    ["transform-es2015-classes", {loose: true}],
+    "transform-es2015-object-super",
+    "transform-es2015-shorthand-properties",
+    "transform-es2015-duplicate-keys",
+    "transform-es2015-computed-properties",
+    "check-es2015-constants",
+    ["transform-es2015-spread", {loose: true}],
+    "transform-es2015-parameters",
+    ["transform-es2015-destructuring", {loose: true}],
+    "transform-es2015-block-scoping",
+    "transform-es2015-modules-commonjs",
+    "transform-regenerator",
+  ]
+}

packages/graphql-language-service-utils/.flowconfig

@@ -0,0 +1,7 @@
+[ignore]
+
+[include]
+
+[libs]
+
+[options]

packages/graphql-language-service-utils/.npmignore

@@ -0,0 +1,4 @@
+node_modules
+scripts
+src
+yarn.lock

packages/graphql-language-service-utils/README.md

@@ -0,0 +1,3 @@
+# graphql-language-service-utils
+
+Utilities to support the [GraphQL Language Service](https://github.com/graphql/graphql-language-service).

packages/graphql-language-service-utils/dist/.gitignore

@@ -0,0 +1,3 @@
+*
+!/.gitignore
+!/.npmignore

packages/graphql-language-service-utils/package.json

@@ -0,0 +1,73 @@
+{
+  "name": "graphql-language-service-utils",
+  "repository": "https://github.com/graphql/graphql-language-service",
+  "version": "0.0.1",
+  "description": "Utilities to support the GraphQL Language Service",
+  "contributors": [
+    "Greg Hurrell <greg@hurrell.net> (https://greg.hurrell.net/)",
+    "Hyohyeon Jeong <asiandrummer@fb.com>",
+    "Lee Byron <lee@leebyron.com> (http://leebyron.com/)"
+  ],
+  "bugs": {
+    "url": "https://github.com/graphql/graphql-language-service/issues"
+  },
+  "files": [
+    "dist"
+  ],
+  "keywords": [
+    "graphql"
+  ],
+  "main": "dist/index.js",
+  "options": {
+    "mocha": "--full-trace --require src/__tests__/mocha-bootload src/**/__tests__/**/*-test.js"
+  },
+  "scripts": {
+    "test": "npm run lint && npm run check && npm run testonly",
+    "testonly": "babel-node ./node_modules/.bin/_mocha $npm_package_options_mocha",
+    "lint": "eslint src || (printf '\\033[33mTry: \\033[7m npm run lint -- --fix \\033[0m\\n' && exit 1)",
+    "build": "npm run build-js && npm run build-flow",
+    "build-js": "babel-node scripts/build-js.js",
+    "build-flow": "babel-node scripts/build-flow.js",
+    "check": "flow check",
+    "prepublish": "node scripts/prepublish.js"
+  },
+  "dependencies": {
+    "graphql": "^0.9.1",
+    "graphql-language-service-types": "^0.0.6"
+  },
+  "devDependencies": {
+    "babel-cli": "6.23.0",
+    "babel-eslint": "7.1.0",
+    "babel-plugin-check-es2015-constants": "6.8.0",
+    "babel-plugin-syntax-async-functions": "6.13.0",
+    "babel-plugin-transform-class-properties": "6.23.0",
+    "babel-plugin-transform-es2015-arrow-functions": "6.8.0",
+    "babel-plugin-transform-es2015-block-scoped-functions": "6.8.0",
+    "babel-plugin-transform-es2015-block-scoping": "6.23.0",
+    "babel-plugin-transform-es2015-classes": "6.23.0",
+    "babel-plugin-transform-es2015-computed-properties": "6.8.0",
+    "babel-plugin-transform-es2015-destructuring": "6.22.0",
+    "babel-plugin-transform-es2015-duplicate-keys": "6.8.0",
+    "babel-plugin-transform-es2015-function-name": "6.9.0",
+    "babel-plugin-transform-es2015-literals": "6.8.0",
+    "babel-plugin-transform-es2015-modules-commonjs": "6.23.0",
+    "babel-plugin-transform-es2015-object-super": "6.8.0",
+    "babel-plugin-transform-es2015-parameters": "6.23.0",
+    "babel-plugin-transform-es2015-shorthand-properties": "6.18.0",
+    "babel-plugin-transform-es2015-spread": "6.8.0",
+    "babel-plugin-transform-es2015-template-literals": "6.8.0",
+    "babel-plugin-transform-flow-strip-types": "6.18.0",
+    "babel-plugin-transform-object-rest-spread": "6.22.0",
+    "babel-plugin-transform-regenerator": "6.16.1",
+    "babel-polyfill": "^6.16.0",
+    "babel-types": "6.22.0",
+    "chai": "^3.5.0",
+    "eslint": "3.15.0",
+    "eslint-plugin-babel": "3.3.0",
+    "eslint-plugin-dependencies": "2.0.0",
+    "eslint-plugin-flowtype": "2.29.1",
+    "eslint-plugin-prefer-object-spread": "1.1.0",
+    "flow-bin": "0.39.0",
+    "mocha": "^3.2.0"
+  }
+}

packages/graphql-language-service-utils/scripts/build-flow.js

@@ -0,0 +1,22 @@
+/**
+ *  Copyright (c) Facebook, Inc.
+ *  All rights reserved.
+ *
+ *  This source code is licensed under the license found in the
+ *  LICENSE file in the root directory of this source tree.
+ */
+
+'use strict';
+
+import {readdirSync} from 'fs';
+import {join} from 'path';
+import {cp} from './util';
+
+// Non-recursively copy src/*.js to dist/*.js.flow:
+readdirSync('src').forEach(entry => {
+  if (entry.endsWith('.js')) {
+    const source = join('src', entry);
+    const destination = join('dist', `${entry}.flow`);
+    cp(source, destination);
+  }
+});

packages/graphql-language-service-utils/scripts/build-js.js

@@ -0,0 +1,14 @@
+/**
+ *  Copyright (c) Facebook, Inc.
+ *  All rights reserved.
+ *
+ *  This source code is licensed under the license found in the
+ *  LICENSE file in the root directory of this source tree.
+ */
+
+'use strict';
+
+import {join} from 'path';
+import {exec} from './util';
+
+exec('babel', 'src', '--ignore', '**/__tests__/**', '--out-dir', 'dist');

packages/graphql-language-service-utils/scripts/prepublish.js

@@ -0,0 +1,40 @@
+/**
+ *  Copyright (c) Facebook, Inc.
+ *  All rights reserved.
+ *
+ *  This source code is licensed under the license found in the
+ *  LICENSE file in the root directory of this source tree.
+ */
+
+'use strict';
+
+// NOTE: Because prepublish is also invoked on "npm install", we can't
+// rely on babel-node being available. This means two things:
+//
+// (1) We must stick to a vanilla subset of ES6 features; and:
+// (2) We start off with a check to bail out when not invoked as part of
+//     "npm publish".
+
+var config = require('../package.json');
+if (config.scripts.prepublish.indexOf('node ') !== 0) {
+  // Guard against somebody helpfully trying to make the package.json scripts
+  // consistent by using "babel-node" instead of "node" (which would break
+  // the initial "npm install").
+  console.error(
+    'prepublish.js should be invoked with `node`, not `babel-node`'
+  );
+  process.exit(1);
+}
+
+// Bail unless we're running during `npm publish`.
+var argv = JSON.parse(process.env.npm_config_argv).original;
+var isPublishing = argv[0].indexOf('pu') === 0;
+if (!isPublishing) {
+  process.exit(0);
+}
+
+// Otherwise, perform a build.
+var execFileSync = require('child_process').execFileSync;
+process.stdout.write(
+  execFileSync('npm', ['run', 'build'])
+);

packages/graphql-language-service-utils/scripts/util.js

@@ -0,0 +1,29 @@
+/**
+ *  Copyright (c) Facebook, Inc.
+ *  All rights reserved.
+ *
+ *  This source code is licensed under the license found in the
+ *  LICENSE file in the root directory of this source tree.
+ *
+ *  @flow
+ */
+
+'use strict';
+
+import {execFileSync} from 'child_process';
+import {
+  createReadStream,
+  createWriteStream,
+} from 'fs';
+
+export function cp(source: string, destination: string): void {
+  createReadStream(source).pipe(createWriteStream(destination));
+}
+
+export function exec(executable: string, ...args: string[]): void {
+  print(execFileSync(executable, args).toString());
+}
+
+export function print(string: string): void {
+  process.stdout.write(string);
+}

packages/graphql-language-service-utils/src/Range.js

@@ -0,0 +1,61 @@
+/**
+ *  Copyright (c) Facebook, Inc.
+ *  All rights reserved.
+ *
+ *  This source code is licensed under the license found in the
+ *  LICENSE file in the root directory of this source tree.
+ *
+ *  @flow
+ */
+
+import type {Location} from 'graphql/language';
+import type {
+  Range as RangeInterface,
+  Position as PositionInterface,
+} from 'graphql-language-service-types';
+
+export class Range implements RangeInterface {
+  start: PositionInterface;
+  end: PositionInterface;
+  constructor(start: PositionInterface, end: PositionInterface): void {
+    this.start = start;
+    this.end = end;
+  }
+
+  containsPosition = (position: PositionInterface): boolean => {
+    const withinLine =
+      this.start.line <= position.line && this.end.line >= position.line;
+    const withinCharacter =
+      this.start.character <= position.character &&
+      this.end.character >= position.character;
+    return withinLine && withinCharacter;
+  }
+}
+
+export class Position implements PositionInterface {
+  line: number;
+  character: number;
+  constructor(line: number, character: number): void {
+    this.line = line;
+    this.character = character;
+  }
+
+  lessThanOrEqualTo = (position: PositionInterface): boolean => (
+    this.line < position.line ||
+    (this.line === position.line && this.character <= position.character)
+  );
+}
+
+export function offsetToPosition(text: string, loc: number): Position {
+  const EOL = '\n';
+  const buf = text.slice(0, loc);
+  const lines = buf.split(EOL).length - 1;
+  const lastLineIndex = buf.lastIndexOf(EOL);
+  return new Position(lines, loc - lastLineIndex - 1);
+}
+
+export function locToRange(text: string, loc: Location): Range {
+  const start = offsetToPosition(text, loc.start);
+  const end = offsetToPosition(text, loc.end);
+  return new Range(start, end);
+}

packages/graphql-language-service-utils/src/__tests__/__schema__/StarWarsSchema.graphql

@@ -0,0 +1,52 @@
+schema {
+  query: Query
+}
+
+directive @test(testArg: Boolean!) on FIELD | FRAGMENT_SPREAD | INLINE_FRAGMENT
+
+enum Episode {
+  NEWHOPE
+  EMPIRE
+  JEDI
+}
+
+interface Character {
+  id: String!
+  name: String
+  friends: [Character]
+  appearsIn: [Episode]
+  secretBackstory: String
+}
+
+type Human implements Character {
+  id: String!
+  name: String
+  friends: [Character]
+  appearsIn: [Episode]
+  secretBackstory: String
+}
+
+type Droid implements Character {
+  id: String!
+  name: String
+  friends: [Character]
+  appearsIn: [Episode]
+  secretBackstory: String
+  primaryFunction: String
+}
+
+input InputType {
+  key: String!
+  value: Int = 42
+}
+
+type TestType {
+  testField: String
+}
+
+type Query {
+  hero(episode: Episode): Character
+  human(id: String!): Human
+  droid(id: String!): Droid
+  inputTypeTest(args: InputType = {key: "key"}): TestType
+}