first commit

2023-11-30 13:20:54 -05:00
commit e9e5c0546c
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+/**
+ * Downloads a file.
+ *
+ * @param {string} fileName    File Name.
+ * @param {string} content     File Content.
+ * @param {string} contentType File mime type.
+ */
+export function download( fileName, content, contentType ) {
+	const file = new window.Blob( [ content ], { type: contentType } );
+
+	// IE11 can't use the click to download technique
+	// we use a specific IE11 technique instead.
+	if ( window.navigator.msSaveOrOpenBlob ) {
+		window.navigator.msSaveOrOpenBlob( file, fileName );
+	} else {
+		const a = document.createElement( 'a' );
+		a.href = URL.createObjectURL( file );
+		a.download = fileName;
+
+		a.style.display = 'none';
+		document.body.appendChild( a );
+		a.click();
+		document.body.removeChild( a );
+	}
+}
+
+/**
+ * Reads the textual content of the given file.
+ *
+ * @param  {File} file        File.
+ * @return {Promise<string>}  Content of the file.
+ */
+export function readTextFile( file ) {
+	const reader = new window.FileReader();
+	return new Promise( ( resolve ) => {
+		reader.onload = function() {
+			resolve( reader.result );
+		};
+		reader.readAsText( file );
+	} );
+}