Files
MyFSIO/static/js/bucket-detail-utils.js

121 lines
3.6 KiB
JavaScript

window.BucketDetailUtils = (function() {
'use strict';
function setupJsonAutoIndent(textarea) {
if (!textarea) return;
textarea.addEventListener('keydown', function(e) {
if (e.key === 'Enter') {
e.preventDefault();
const start = this.selectionStart;
const end = this.selectionEnd;
const value = this.value;
const lineStart = value.lastIndexOf('\n', start - 1) + 1;
const currentLine = value.substring(lineStart, start);
const indentMatch = currentLine.match(/^(\s*)/);
let indent = indentMatch ? indentMatch[1] : '';
const trimmedLine = currentLine.trim();
const lastChar = trimmedLine.slice(-1);
let newIndent = indent;
let insertAfter = '';
if (lastChar === '{' || lastChar === '[') {
newIndent = indent + ' ';
const charAfterCursor = value.substring(start, start + 1).trim();
if ((lastChar === '{' && charAfterCursor === '}') ||
(lastChar === '[' && charAfterCursor === ']')) {
insertAfter = '\n' + indent;
}
} else if (lastChar === ',' || lastChar === ':') {
newIndent = indent;
}
const insertion = '\n' + newIndent + insertAfter;
const newValue = value.substring(0, start) + insertion + value.substring(end);
this.value = newValue;
const newCursorPos = start + 1 + newIndent.length;
this.selectionStart = this.selectionEnd = newCursorPos;
this.dispatchEvent(new Event('input', { bubbles: true }));
}
if (e.key === 'Tab') {
e.preventDefault();
const start = this.selectionStart;
const end = this.selectionEnd;
if (e.shiftKey) {
const lineStart = this.value.lastIndexOf('\n', start - 1) + 1;
const lineContent = this.value.substring(lineStart, start);
if (lineContent.startsWith(' ')) {
this.value = this.value.substring(0, lineStart) +
this.value.substring(lineStart + 2);
this.selectionStart = this.selectionEnd = Math.max(lineStart, start - 2);
}
} else {
this.value = this.value.substring(0, start) + ' ' + this.value.substring(end);
this.selectionStart = this.selectionEnd = start + 2;
}
this.dispatchEvent(new Event('input', { bubbles: true }));
}
});
}
function formatBytes(bytes) {
if (!Number.isFinite(bytes)) return `${bytes} bytes`;
const units = ['bytes', 'KB', 'MB', 'GB', 'TB'];
let i = 0;
let size = bytes;
while (size >= 1024 && i < units.length - 1) {
size /= 1024;
i++;
}
return `${size.toFixed(i === 0 ? 0 : 1)} ${units[i]}`;
}
function escapeHtml(value) {
if (value === null || value === undefined) return '';
return String(value)
.replace(/&/g, '&amp;')
.replace(/</g, '&lt;')
.replace(/>/g, '&gt;')
.replace(/"/g, '&quot;')
.replace(/'/g, '&#039;');
}
function fallbackCopy(text) {
const textArea = document.createElement('textarea');
textArea.value = text;
textArea.style.position = 'fixed';
textArea.style.left = '-9999px';
textArea.style.top = '-9999px';
document.body.appendChild(textArea);
textArea.focus();
textArea.select();
let success = false;
try {
success = document.execCommand('copy');
} catch {
success = false;
}
document.body.removeChild(textArea);
return success;
}
return {
setupJsonAutoIndent: setupJsonAutoIndent,
formatBytes: formatBytes,
escapeHtml: escapeHtml,
fallbackCopy: fallbackCopy
};
})();