swallow vnlib.browser

1 files changed, 49 insertions, 0 deletions

diff --git a/lib/vnlib.browser/src/helpers/envSize.ts b/lib/vnlib.browser/src/helpers/envSize.ts
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index 0000000..e078e5b
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+++ b/lib/vnlib.browser/src/helpers/envSize.ts
@@ -0,0 +1,49 @@
+// Copyright (c) 2023 Vaughn Nugent
+//
+// 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.
+
+import { toSafeInteger } from 'lodash-es';
+import { ref, computed } from "vue"
+import { useElementSize } from '@vueuse/core'
+
+/**
+ * Setups a common state for the environment size
+ */
+export const useEnvSize = (() => {
+    //Element refs for app to watch
+    const header = ref(null);
+    const footer = ref(null);
+    const content = ref(null);
+
+    //Setup reactive element sizes
+    const headerSize = useElementSize(header);
+    const footerSize = useElementSize(footer);
+    const contentSize = useElementSize(content);
+
+    const footerHeight = computed(() => toSafeInteger(footerSize.height.value));
+    const headerHeight = computed(() => toSafeInteger(headerSize.height.value));
+    const contentHeight = computed(() => toSafeInteger(contentSize.height.value - headerSize.height.value - footerSize.height.value));
+  
+
+    return (exportElements?: boolean) => {
+        
+        return exportElements ? 
+          { footerHeight, headerHeight, contentHeight, header, footer, content } :
+          { footerHeight, headerHeight, contentHeight }
+    }
+})();
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