PagesJS compatibility (#190)

Introduce tsup and improve the package.json file in order to support PagesJS.

This works in both dev and prod mode of pagesJS

J=BACK-2545
TEST=manual

Publish an alpha version and test it with yext/search-ui-react#400 and @yext/pages@1.0.0-rc.3. Add several search components to the page and confirm they work as expected.

.github/workflows/run-tests.yml

@@ -13,10 +13,12 @@ jobs:
       build_script: |
         npm i -D react@17 react-dom@17 @testing-library/react@12
         npm run build
+      node_matrix: '["16.x"]'
 
   call_run_tests-react-16:
     uses: yext/slapshot-reusable-workflows/.github/workflows/run_tests.yml@v1
     with:
       build_script: |
         npm i -D react@16.14 react-dom@16.14 @testing-library/react@12
         npm run build
+      node_matrix: '["16.x"]'

.gitignore

@@ -3,6 +3,7 @@
 
 # build
 /lib
+/dist
 
 # misc
 .DS_Store

THIRD-PARTY-NOTICES

@@ -178,7 +178,7 @@ THE SOFTWARE.
 
 The following NPM package may be included in this product:
 
- - cross-fetch@3.1.6
+ - cross-fetch@3.1.8
 
 This package contains the following license and notice below:
 
@@ -384,7 +384,7 @@ THE SOFTWARE.
 
 The following NPM package may be included in this product:
 
- - node-fetch@2.6.11
+ - node-fetch@2.7.0
 
 This package contains the following license and notice below:
 
@@ -412,9 +412,39 @@ SOFTWARE.
 
 -----------
 
+The following NPM package may be included in this product:
+
+ - object-assign@4.1.1
+
+This package contains the following license and notice below:
+
+The MIT License (MIT)
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+-----------
+
 The following NPM packages may be included in this product:
 
- - react@18.1.0
+ - react@17.0.2
  - use-sync-external-store@1.1.0
 
 These packages each contain the following license and notice below: