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build/node_modules/prepack/lib/prettier.js

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+"use strict";
+
+function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
+
+/**
+ * Copyright (c) 2017-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+// Mostly taken from a script in React
+// https://github.com/facebook/react/blob/master/scripts/prettier/index.js
+
+var chalk = require("chalk");
+var glob = require("glob");
+var path = require("path");
+var execFileSync = require("child_process").execFileSync;
+
+var mode = process.argv[2] || "check";
+var shouldWrite = mode === "write" || mode === "write-changed";
+var onlyChanged = mode === "check-changed" || mode === "write-changed";
+
+var isWindows = process.platform === "win32";
+var prettier = isWindows ? "prettier.cmd" : "prettier";
+var prettierCmd = path.resolve(__dirname, "../node_modules/.bin/" + prettier);
+var defaultOptions = {
+  "trailing-comma": "es5",
+  "print-width": 120
+};
+var config = {
+  default: {
+    patterns: ["src/**/*.js"]
+  },
+  scripts: {
+    patterns: ["scripts/**/*.js"]
+  }
+};
+
+function exec(command, args) {
+  var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+  console.log("> " + [command].concat(args).join(" "));
+  return execFileSync(command, args, options).toString();
+}
+
+var mergeBase = exec("git", ["merge-base", "HEAD", "master"]).trim();
+var changedFiles = new Set(exec("git", ["diff", "-z", "--name-only", "--diff-filter=ACMRTUB", mergeBase]).match(/[^\0]+/g));
+
+Object.keys(config).forEach(function (key) {
+  var patterns = config[key].patterns;
+  var options = config[key].options;
+  var ignore = config[key].ignore;
+
+  var globPattern = patterns.length > 1 ? "{" + patterns.join(",") + "}" : "" + patterns.join(",");
+  var files = glob.sync(globPattern, { ignore: ignore }).filter(function (f) {
+    return !onlyChanged || changedFiles.has(f);
+  });
+
+  if (!files.length) {
+    return;
+  }
+
+  var args = Object.keys(defaultOptions).map(function (k) {
+    return "--" + k + "=" + (options && options[k] || defaultOptions[k]);
+  });
+  args.push("--" + (shouldWrite ? "write" : "l"));
+
+  var result = void 0;
+  try {
+    result = exec(prettierCmd, [].concat(_toConsumableArray(args), _toConsumableArray(files)));
+  } catch (e) {
+    if (!shouldWrite) {
+      console.log("\n" + e.output[1] + "\n" + chalk.red("  This project uses prettier to format all JavaScript code.\n") + chalk.dim("    Please run ") + chalk.reset("yarn prettier") + chalk.dim(" and add changes to files listed above to your commit.") + "\n");
+      process.exit(1);
+    }
+    throw e;
+  }
+  console.log("\n" + result);
+});
+//# sourceMappingURL=prettier.js.map