chore(dep): add stringify-package to project source

lib/stringify-package.js

@@ -0,0 +1,18 @@
+'use strict'
+
+module.exports = stringifyPackage
+
+const DEFAULT_INDENT = 2
+const CRLF = '\r\n'
+const LF = '\n'
+
+function stringifyPackage (data, indent, newline) {
+  indent = indent || (indent === 0 ? 0 : DEFAULT_INDENT)
+  const json = JSON.stringify(data, null, indent)
+
+  if (newline === CRLF) {
+    return json.replace(/\n/g, CRLF) + CRLF
+  }
+
+  return json + LF
+}

lib/updaters/types/json.js

@@ -1,4 +1,4 @@
-const stringifyPackage = require('stringify-package')
+const stringifyPackage = require('../../stringify-package')
 const detectIndent = require('detect-indent')
 const detectNewline = require('detect-newline')
 

package.json

@@ -52,7 +52,6 @@
     "find-up": "^5.0.0",
     "git-semver-tags": "^4.0.0",
     "semver": "^7.1.1",
-    "stringify-package": "^1.0.1",
     "yargs": "^17.0.0"
   },
   "devDependencies": {

test/stringify-package.spec.js

@@ -0,0 +1,39 @@
+/* global describe it */
+
+'use strict'
+
+const stringifyPackage = require('../lib/stringify-package')
+
+require('chai').should()
+
+describe('stringifyPackage()', function () {
+  const dummy = { name: 'dummy' }
+
+  it('with no params uses \\n', function () {
+    stringifyPackage(dummy).should.match(/\n$/m)
+  })
+
+  it('uses \\n', function () {
+    stringifyPackage(dummy, 2, '\n').should.match(/\n$/m)
+  })
+
+  it('uses \\r\\n', function () {
+    stringifyPackage(dummy, 2, '\r\n').should.match(/\r\n$/m)
+  })
+
+  it('with no params uses 2-space indent', function () {
+    stringifyPackage(dummy).should.match(/^ {2}"name": "dummy"/m)
+  })
+
+  it('uses 2-space indent', function () {
+    stringifyPackage(dummy, 2, '\n').should.match(/^ {2}"name": "dummy"/m)
+  })
+
+  it('uses 4-space indent', function () {
+    stringifyPackage(dummy, 4, '\n').should.match(/^ {4}"name": "dummy"/m)
+  })
+
+  it('0 works', function () {
+    stringifyPackage(dummy, 0).split(/\r\n|\r|\n/).length.should.equal(2)
+  })
+})