Remove duplicate dedent definition

Author: leebyron

src/utilities/__tests__/assertValidName-test.js

@@ -6,29 +6,12 @@
  */
 
 import { afterEach, beforeEach, describe, it } from 'mocha';
-import { default as chai, expect } from 'chai';
+import chai, { expect } from 'chai';
 import { formatWarning } from '../assertValidName';
+import dedent from '../../jsutils/dedent';
 
 /* eslint-disable no-console */
 
-/**
- * Helper for dedenting indented template literals. This helps us to
- * keep the tests pretty.
- */
-function dedent(string) {
-  // Get lines, discarding empty leading and trailing lines.
-  const lines = string.replace(/^[ \t]*\n|\n[ \t]*$/g, '').split('\n');
-
-  // Find smallest indent.
-  const indent = lines.reduce((currentMinimum, line) => {
-    const whitespace = line.match(/^ +/);
-    return Math.min(whitespace ? whitespace[0].length : 0, currentMinimum);
-  }, Infinity);
-
-  // Remove indent from each line.
-  return lines.map(line => line.slice(indent)).join('\n');
-}
-
 /**
  * Convenience method for creating an Error object with a defined stack.
  */
@@ -101,27 +84,25 @@ describe('assertValidName()', () => {
 
 describe('formatWarning()', () => {
   it('formats given a Chrome-style stack property', () => {
-    const chromeStack = dedent(`
+    const chromeStack = dedent`
       Error: foo
         at z (<anonymous>:1:21)
         at y (<anonymous>:1:15)
         at x (<anonymous>:1:15)
-        at <anonymous>:1:6
-    `);
+        at <anonymous>:1:6`;
     const error = createErrorObject('foo', chromeStack);
     expect(formatWarning(error)).to.equal(
-      dedent(`
+      dedent`
       foo
         at z (<anonymous>:1:21)
         at y (<anonymous>:1:15)
         at x (<anonymous>:1:15)
-        at <anonymous>:1:6
-    `),
+        at <anonymous>:1:6`,
     );
   });
 
   it('formats given a Node-style stack property', () => {
-    const nodeStack = dedent(`
+    const nodeStack = dedent`
       Error: foo
         at z (repl:1:29)
         at y (repl:1:23)
@@ -132,11 +113,10 @@ describe('formatWarning()', () => {
         at bound (domain.js:280:14)
         at REPLServer.runBound [as eval] (domain.js:293:12)
         at REPLServer.onLine (repl.js:537:10)
-        at emitOne (events.js:101:20)
-    `);
+        at emitOne (events.js:101:20)`;
     const error = createErrorObject('foo', nodeStack);
     expect(formatWarning(error)).to.equal(
-      dedent(`
+      dedent`
       foo
         at z (repl:1:29)
         at y (repl:1:23)
@@ -147,44 +127,40 @@ describe('formatWarning()', () => {
         at bound (domain.js:280:14)
         at REPLServer.runBound [as eval] (domain.js:293:12)
         at REPLServer.onLine (repl.js:537:10)
-        at emitOne (events.js:101:20)
-    `),
+        at emitOne (events.js:101:20)`,
     );
   });
 
   it('formats given a Firefox-style stack property', () => {
-    const firefoxStack = dedent(`
+    const firefoxStack = dedent`
       z@debugger eval code:1:20
       y@debugger eval code:1:14
       x@debugger eval code:1:14
-      @debugger eval code:1:5
-    `);
+      @debugger eval code:1:5`;
     const error = createErrorObject('foo', firefoxStack);
     expect(formatWarning(error)).to.equal(
-      dedent(`
+      dedent`
       foo
       z@debugger eval code:1:20
       y@debugger eval code:1:14
       x@debugger eval code:1:14
-      @debugger eval code:1:5
-    `),
+      @debugger eval code:1:5`,
     );
   });
 
   it('formats given a Safari-style stack property', () => {
-    const safariStack = dedent(`
+    const safariStack = dedent`
       z
       y
       x
       global code
       evaluateWithScopeExtension@[native code]
       _evaluateOn
       _evaluateAndWrap
-      evaluate
-    `);
+      evaluate`;
     const error = createErrorObject('foo', safariStack);
     expect(formatWarning(error)).to.equal(
-      dedent(`
+      dedent`
       foo
       z
       y
@@ -193,8 +169,7 @@ describe('formatWarning()', () => {
       evaluateWithScopeExtension@[native code]
       _evaluateOn
       _evaluateAndWrap
-      evaluate
-    `),
+      evaluate`,
     );
   });