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-rw-r--r--src_js/opcut/fs.js71
1 files changed, 0 insertions, 71 deletions
diff --git a/src_js/opcut/fs.js b/src_js/opcut/fs.js
deleted file mode 100644
index 6b3c579..0000000
--- a/src_js/opcut/fs.js
+++ /dev/null
@@ -1,71 +0,0 @@
-import h from 'hyperscript';
-import FileSaver from 'file-saver';
-
-import * as u from '@hat-core/util';
-
-
-export function loadText(ext) {
- const el = h('input', {
- style: 'display: none',
- type: 'file',
- accept: ext});
- const promise = new Promise(resolve => {
- el.addEventListener('change', evt => {
- const file = u.get(['files', 0], evt.target);
- if (!file)
- return;
- const fileReader = new FileReader();
- fileReader.onload = () => {
- const data = fileReader.result;
- resolve(data);
- };
- fileReader.readAsText(file);
- });
- el.click();
- });
- return promise;
-}
-
-
-export function saveText(text, fileName) {
- const blob = stringToBlob(text);
- FileSaver.saveAs(blob, fileName);
-}
-
-
-export function saveB64Data(b64Data, fileName) {
- const blob = b64ToBlob(b64Data);
- FileSaver.saveAs(blob, fileName);
-}
-
-
-function stringToBlob(strData, contentType) {
- contentType = contentType || '';
- return new Blob([strData], {type: contentType});
-}
-
-
-// http://stackoverflow.com/a/16245768
-function b64ToBlob(b64Data, contentType, sliceSize) {
- contentType = contentType || '';
- sliceSize = sliceSize || 512;
-
- var byteCharacters = atob(b64Data);
- var byteArrays = [];
-
- for (var offset = 0; offset < byteCharacters.length; offset += sliceSize) {
- var slice = byteCharacters.slice(offset, offset + sliceSize);
-
- var byteNumbers = new Array(slice.length);
- for (var i = 0; i < slice.length; i++) {
- byteNumbers[i] = slice.charCodeAt(i);
- }
-
- var byteArray = new Uint8Array(byteNumbers);
-
- byteArrays.push(byteArray);
- }
-
- var blob = new Blob(byteArrays, {type: contentType});
- return blob;
-}