Attempt at fixing the onChange problem in the documentation and in the propTypes

Not sure what yarn start should do, but it is not refreshing on changes
to the underlying files:

info changed file at /private/tmp/react-bootstrap/src/FormFileInput.tsx
success onPreExtractQueries - 0.032s
success extract queries from components - 0.181s
success write out requires - 0.002s
success Re-building development bundle - 2.683s
warn Warning: Event
"xstate.after(1000)#waitingMachine.batchingNodeMutations" was sent to
stopped service "waitingMachine". This service has already reached its
final state, and will not transition.
Event:
{"type":"xstate.after(1000)#waitingMachine.batchingNodeMutations"}

Author: boatcoder@gmail.com

src/FormFileInput.tsx

@@ -15,6 +15,7 @@ export interface FormFileInputProps extends BsPrefixProps, BsCustomPrefixProps {
   isValid?: boolean;
   isInvalid?: boolean;
   lang?: string;
+  onChange?: (event: any) => void;
 }
 type FormFileInput = BsPrefixRefForwardingComponent<
   'input',
@@ -52,6 +53,10 @@ const propTypes = {
 
   /** The language for the button when using custom file input and SCSS based strings */
   lang: PropTypes.string,
+
+  /** Called when the value of the input changes with an `event`.
+      `event.target` is the `<input type='file'>` component with the changed value, `event.target.files` is the current list of files */
+  onChange: PropTypes.func,
 };
 
 const FormFileInput: FormFileInput = React.forwardRef(

www/yarn.lock

@@ -45,7 +45,7 @@
     semver "^5.4.1"
     source-map "^0.5.0"
 
-"@babel/generator@^7.10.3", "@babel/generator@^7.11.0", "@babel/generator@^7.11.4", "@babel/generator@^7.3.4", "@babel/generator@^7.9.6":
+"@babel/generator@^7.10.3", "@babel/generator@^7.11.0", "@babel/generator@^7.3.4", "@babel/generator@^7.9.6":
   version "7.11.4"
   resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.11.4.tgz#1ec7eec00defba5d6f83e50e3ee72ae2fee482be"
   integrity sha512-Rn26vueFx0eOoz7iifCN2UHT6rGtnkSGWSoDRIy8jZN3B91PzeSULbswfLoOWuTuAcNwpG/mxy+uCTDnZ9Mp1g==
@@ -54,6 +54,15 @@
     jsesc "^2.5.1"
     source-map "^0.5.0"
 
+"@babel/generator@^7.11.4", "@babel/generator@^7.11.5":
+  version "7.11.6"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.11.6.tgz#b868900f81b163b4d464ea24545c61cbac4dc620"
+  integrity sha512-DWtQ1PV3r+cLbySoHrwn9RWEgKMBLLma4OBQloPRyDYvc5msJM9kvTLo1YnlJd1P/ZuKbdli3ijr5q3FvAF3uA==
+  dependencies:
+    "@babel/types" "^7.11.5"
+    jsesc "^2.5.1"
+    source-map "^0.5.0"
+
 "@babel/helper-annotate-as-pure@^7.10.1", "@babel/helper-annotate-as-pure@^7.10.4":
   version "7.10.4"
   resolved "https://registry.yarnpkg.com/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.10.4.tgz#5bf0d495a3f757ac3bda48b5bf3b3ba309c72ba3"
@@ -280,7 +289,7 @@
     chalk "^2.0.0"
     js-tokens "^4.0.0"
 
-"@babel/parser@7.11.4", "@babel/parser@^7.0.0-beta.54", "@babel/parser@^7.10.3", "@babel/parser@^7.10.4", "@babel/parser@^7.11.0", "@babel/parser@^7.11.4", "@babel/parser@^7.7.0":
+"@babel/parser@7.11.4", "@babel/parser@^7.0.0-beta.54", "@babel/parser@^7.10.3", "@babel/parser@^7.10.4", "@babel/parser@^7.11.0", "@babel/parser@^7.11.4", "@babel/parser@^7.11.5", "@babel/parser@^7.7.0":
   version "7.11.4"
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.11.4.tgz#6fa1a118b8b0d80d0267b719213dc947e88cc0ca"
   integrity sha512-MggwidiH+E9j5Sh8pbrX5sJvMcsqS5o+7iB42M9/k0CD63MjYbdP4nhSh7uB5wnv2/RVzTZFTxzF/kIa5mrCqA==
@@ -911,7 +920,7 @@
     "@babel/parser" "^7.10.4"
     "@babel/types" "^7.10.4"
 
-"@babel/traverse@^7.0.0-beta.38", "@babel/traverse@^7.0.0-beta.54", "@babel/traverse@^7.10.1", "@babel/traverse@^7.10.2", "@babel/traverse@^7.10.3", "@babel/traverse@^7.10.4", "@babel/traverse@^7.11.0", "@babel/traverse@^7.6.2", "@babel/traverse@^7.7.0":
+"@babel/traverse@^7.0.0-beta.38", "@babel/traverse@^7.0.0-beta.54", "@babel/traverse@^7.10.1", "@babel/traverse@^7.10.2", "@babel/traverse@^7.10.3", "@babel/traverse@^7.10.4", "@babel/traverse@^7.6.2", "@babel/traverse@^7.7.0":
   version "7.11.0"
   resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.11.0.tgz#9b996ce1b98f53f7c3e4175115605d56ed07dd24"
   integrity sha512-ZB2V+LskoWKNpMq6E5UUCrjtDUh5IOTAyIl0dTjIEoXum/iKWkoIEKIRDnUucO6f+2FzNkE0oD4RLKoPIufDtg==
@@ -926,6 +935,21 @@
     globals "^11.1.0"
     lodash "^4.17.19"
 
+"@babel/traverse@^7.11.0":
+  version "7.11.5"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.11.5.tgz#be777b93b518eb6d76ee2e1ea1d143daa11e61c3"
+  integrity sha512-EjiPXt+r7LiCZXEfRpSJd+jUMnBd4/9OUv7Nx3+0u9+eimMwJmG0Q98lw4/289JCoxSE8OolDMNZaaF/JZ69WQ==
+  dependencies:
+    "@babel/code-frame" "^7.10.4"
+    "@babel/generator" "^7.11.5"
+    "@babel/helper-function-name" "^7.10.4"
+    "@babel/helper-split-export-declaration" "^7.11.0"
+    "@babel/parser" "^7.11.5"
+    "@babel/types" "^7.11.5"
+    debug "^4.1.0"
+    globals "^11.1.0"
+    lodash "^4.17.19"
+
 "@babel/types@^7.0.0-beta.38", "@babel/types@^7.0.0-beta.54", "@babel/types@^7.10.1", "@babel/types@^7.10.3", "@babel/types@^7.10.4", "@babel/types@^7.10.5", "@babel/types@^7.11.0", "@babel/types@^7.3.4", "@babel/types@^7.4.4", "@babel/types@^7.7.0", "@babel/types@^7.9.6":
   version "7.11.0"
   resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.11.0.tgz#2ae6bf1ba9ae8c3c43824e5861269871b206e90d"
@@ -935,6 +959,15 @@
     lodash "^4.17.19"
     to-fast-properties "^2.0.0"
 
+"@babel/types@^7.11.5":
+  version "7.11.5"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.11.5.tgz#d9de577d01252d77c6800cee039ee64faf75662d"
+  integrity sha512-bvM7Qz6eKnJVFIn+1LPtjlBFPVN5jNDc1XmN15vWe7Q3DPBufWWsLiIvUu7xW87uTG6QoggpIDnUgLQvPheU+Q==
+  dependencies:
+    "@babel/helper-validator-identifier" "^7.10.4"
+    lodash "^4.17.19"
+    to-fast-properties "^2.0.0"
+
 "@emotion/cache@^10.0.27":
   version "10.0.29"
   resolved "https://registry.yarnpkg.com/@emotion/cache/-/cache-10.0.29.tgz#87e7e64f412c060102d589fe7c6dc042e6f9d1e0"