restyling backup/fileSaveLoad.js

This commit is contained in:
Jeremy Schomery 2017-02-03 12:54:47 +03:30
parent 92d0acfbe3
commit b07cf590b9

View File

@ -1,13 +1,19 @@
var STYLISH_DUMP_FILE_EXT = ".txt"; 'use strict';
var STYLISH_DEFAULT_SAVE_NAME = "stylus-mm-dd-yyy" + STYLISH_DUMP_FILE_EXT;
var STYLISH_DUMP_FILE_EXT = '.txt';
var STYLISH_DEFAULT_SAVE_NAME = 'stylus-mm-dd-yyy' + STYLISH_DUMP_FILE_EXT;
function saveAsFile (text, fileName, dialog) { function saveAsFile (text, fileName, dialog) {
fileName = fileName || STYLISH_DEFAULT_SAVE_NAME; fileName = fileName || STYLISH_DEFAULT_SAVE_NAME;
dialog = typeof dialog === "boolean" ? dialog : true; dialog = typeof dialog === 'boolean' ? dialog : true;
return new Promise(function (resolve) { return new Promise(function (resolve) {
var fileContent = 'data:text/plain;charset=utf-8,' + encodeURIComponent(text); var fileContent = 'data:text/plain;charset=utf-8,' + encodeURIComponent(text);
chrome.downloads.download({filename: fileName, saveAs: true, url: fileContent}, resolve) chrome.downloads.download({
filename: fileName,
saveAs: true,
url: fileContent
}, resolve);
}); });
} }
@ -22,14 +28,13 @@ function saveAsFile(text, fileName, dialog) {
function loadFromFile (formatToFilter) { function loadFromFile (formatToFilter) {
return new Promise(function (resolve) { return new Promise(function (resolve) {
var fileInput = document.createElement('input'); var fileInput = document.createElement('input');
fileInput.style = "display: none;"; fileInput.style = 'display: none;';
fileInput.type = "file"; fileInput.type = 'file';
fileInput.accept = formatToFilter || STYLISH_DUMP_FILE_EXT; fileInput.accept = formatToFilter || STYLISH_DUMP_FILE_EXT;
fileInput.acceptCharset = "utf8"; fileInput.acceptCharset = 'utf-8';
document.body.appendChild(fileInput); document.body.appendChild(fileInput);
fileInput.initialValue = fileInput.value; fileInput.initialValue = fileInput.value;
fileInput.addEventListener('change', changeHandler);
function changeHandler() { function changeHandler() {
if (fileInput.value !== fileInput.initialValue) { if (fileInput.value !== fileInput.initialValue) {
var fReader = new FileReader(); var fReader = new FileReader();
@ -38,9 +43,10 @@ function loadFromFile(formatToFilter){
fileInput.remove(); fileInput.remove();
resolve(event.target.result); resolve(event.target.result);
}; };
fReader.readAsText(fileInput.files[0], 'utf-8') fReader.readAsText(fileInput.files[0], 'utf-8');
} }
} }
fileInput.addEventListener('change', changeHandler);
fileInput.click(); fileInput.click();
}); });
} }