53 lines
1.6 KiB
JavaScript
53 lines
1.6 KiB
JavaScript
'use strict';
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var STYLISH_DUMP_FILE_EXT = '.txt';
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var STYLISH_DEFAULT_SAVE_NAME = 'stylus-mm-dd-yyy' + STYLISH_DUMP_FILE_EXT;
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function saveAsFile (text, fileName, dialog) {
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fileName = fileName || STYLISH_DEFAULT_SAVE_NAME;
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dialog = typeof dialog === 'boolean' ? dialog : true;
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return new Promise(function (resolve) {
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var fileContent = 'data:text/plain;charset=utf-8,' + encodeURIComponent(text);
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chrome.downloads.download({
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filename: fileName,
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saveAs: true,
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url: fileContent
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}, resolve);
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});
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}
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/**
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* !!works only when page has representation - backgound page won't work
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*
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* opens open file dialog,
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* gets selected file,
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* gets it's path,
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* gets content of it by ajax
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*/
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function loadFromFile (formatToFilter) {
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return new Promise(function (resolve) {
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var fileInput = document.createElement('input');
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fileInput.style = 'display: none;';
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fileInput.type = 'file';
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fileInput.accept = formatToFilter || STYLISH_DUMP_FILE_EXT;
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fileInput.acceptCharset = 'utf-8';
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document.body.appendChild(fileInput);
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fileInput.initialValue = fileInput.value;
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function changeHandler() {
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if (fileInput.value !== fileInput.initialValue) {
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var fReader = new FileReader();
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fReader.onloadend = function (event) {
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fileInput.removeEventListener('change', changeHandler);
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fileInput.remove();
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resolve(event.target.result);
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};
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fReader.readAsText(fileInput.files[0], 'utf-8');
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}
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}
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fileInput.addEventListener('change', changeHandler);
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fileInput.click();
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});
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}
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