tweb-i2p/src/lib/utils.ts
morethanwords baf1f78618 Multiselect: forward and delete
Chat input helper is now clickable
Popup stickers lower resolution for handhelds
2020-10-21 02:25:36 +03:00

622 lines
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TypeScript
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import type { DownloadOptions } from "./mtproto/apiFileManager";
import { RichTextProcessor } from "./richtextprocessor";
/* export function isInDOM(element: Element, parentNode?: HTMLElement): boolean {
if(!element) {
return false;
}
parentNode = parentNode || document.body;
if(element == parentNode) {
return true;
}
return isInDOM(element.parentNode as HTMLElement, parentNode);
} */
export function isInDOM(element: Element): boolean {
return element?.isConnected;
}
/* export function checkDragEvent(e: any) {
if(!e || e.target && (e.target.tagName == 'IMG' || e.target.tagName == 'A')) return false
if(e.dataTransfer && e.dataTransfer.types) {
for(var i = 0; i < e.dataTransfer.types.length; i++) {
if(e.dataTransfer.types[i] == 'Files') {
return true;
}
}
} else {
return true;
}
return false;
} */
export function cancelEvent (event: Event) {
event = event || window.event;
if(event) {
// @ts-ignore
event = event.originalEvent || event;
try {
if(event.stopPropagation) event.stopPropagation();
if(event.preventDefault) event.preventDefault();
event.returnValue = false;
event.cancelBubble = true;
} catch(err) {}
}
return false;
}
export function getRichValue(field: any) {
if(!field) {
return '';
}
var lines: string[] = [];
var line: string[] = [];
getRichElementValue(field, lines, line);
if (line.length) {
lines.push(line.join(''));
}
var value = lines.join('\n');
value = value.replace(/\u00A0/g, ' ');
return value;
}
export function placeCaretAtEnd(el: HTMLElement) {
el.focus();
if(typeof window.getSelection != "undefined" && typeof document.createRange != "undefined") {
var range = document.createRange();
range.selectNodeContents(el);
range.collapse(false);
var sel = window.getSelection();
sel.removeAllRanges();
sel.addRange(range);
// @ts-ignore
} else if(typeof document.body.createTextRange != "undefined") {
// @ts-ignore
var textRange = document.body.createTextRange();
textRange.moveToElementText(el);
textRange.collapse(false);
textRange.select();
}
}
export function getRichElementValue(node: any, lines: string[], line: string[], selNode?: Node, selOffset?: number) {
if(node.nodeType == 3) { // TEXT
if(selNode === node) {
var value = node.nodeValue
line.push(value.substr(0, selOffset) + '\x01' + value.substr(selOffset))
} else {
line.push(node.nodeValue)
}
return
}
if (node.nodeType != 1) { // NON-ELEMENT
return
}
var isSelected = (selNode === node)
var isBlock = node.tagName == 'DIV' || node.tagName == 'P'
var curChild
if(isBlock && line.length || node.tagName == 'BR') {
lines.push(line.join(''))
line.splice(0, line.length)
} else if(node.tagName == 'IMG') {
if(node.alt) {
line.push(node.alt);
}
}
if(isSelected && !selOffset) {
line.push('\x01');
}
var curChild = node.firstChild;
while(curChild) {
getRichElementValue(curChild, lines, line, selNode, selOffset);
curChild = curChild.nextSibling;
}
if(isSelected && selOffset) {
line.push('\x01');
}
if(isBlock && line.length) {
lines.push(line.join(''));
line.splice(0, line.length);
}
}
/* if (Config.Modes.animations &&
typeof window.requestAnimationFrame == 'function') {
window.onAnimationFrameCallback = function (cb) {
return (function () {
window.requestAnimationFrame(cb)
})
}
} else {
window.onAnimationFrameCallback = function (cb) {
return cb
}
} */
// generate a path's arc data parameter
// http://www.w3.org/TR/SVG/paths.html#PathDataEllipticalArcCommands
var arcParameter = function(rx: number, ry: number, xAxisRotation: number, largeArcFlag: number, sweepFlag: number, x: number, y: number) {
return [rx, ',', ry, ' ',
xAxisRotation, ' ',
largeArcFlag, ',',
sweepFlag, ' ',
x, ',', y ].join('');
};
export function generatePathData(x: number, y: number, width: number, height: number, tl: number, tr: number, br: number, bl: number) {
var data = [];
// start point in top-middle of the rectangle
data.push('M' + (x + width / 2) + ',' + y);
// next we go to the right
data.push('H' + (x + width - tr));
if (tr > 0) {
// now we draw the arc in the top-right corner
data.push('A' + arcParameter(tr, tr, 0, 0, 1, (x + width), (y + tr)));
}
// next we go down
data.push('V' + (y + height - br));
if (br > 0) {
// now we draw the arc in the lower-right corner
data.push('A' + arcParameter(br, br, 0, 0, 1, (x + width - br), (y + height)));
}
// now we go to the left
data.push('H' + (x + bl));
if (bl > 0) {
// now we draw the arc in the lower-left corner
data.push('A' + arcParameter(bl, bl, 0, 0, 1, (x + 0), (y + height - bl)));
}
// next we go up
data.push('V' + (y + tl));
if (tl > 0) {
// now we draw the arc in the top-left corner
data.push('A' + arcParameter(tl, tl, 0, 0, 1, (x + tl), (y + 0)));
}
// and we close the path
data.push('Z');
return data.join(' ');
};
export const langPack: {[actionType: string]: string} = {
"messageActionChatCreate": "created the group",
"messageActionChatEditTitle": "changed group name",
"messageActionChatEditPhoto": "changed group photo",
"messageActionChatDeletePhoto": "removed group photo",
"messageActionChatReturn": "returned to group",
"messageActionChatJoined": "joined the group",
"messageActionChatAddUser": "invited {user}",
"messageActionChatAddUsers": "invited {} users",
"messageActionChatLeave": "left the group",
"messageActionChatDeleteUser": "removed user",
"messageActionChatJoinedByLink": "joined the group",
"messageActionPinMessage": "pinned message",
"messageActionContactSignUp": "joined Telegram",
"messageActionChannelCreate": "Channel created",
"messageActionChannelEditTitle": "Channel renamed",
"messageActionChannelEditPhoto": "Channel photo updated",
"messageActionChannelDeletePhoto": "Channel photo removed",
"messageActionHistoryClear": "",//"History cleared",
"messageActionChannelMigrateFrom": "",
"messageActionPhoneCall.in_ok": "Incoming Call",
"messageActionPhoneCall.out_ok": "Outgoing Call",
"messageActionPhoneCall.in_missed": "Missed Call",
"messageActionPhoneCall.out_missed": "Cancelled Call",
};
export function isObject(object: any) {
return typeof(object) === 'object' && object !== null;
}
export function tsNow(seconds?: boolean) {
var t = +new Date();
return seconds ? Math.floor(t / 1000) : t;
}
const el = document.createElement('span');
export function getAbbreviation(str: string, onlyFirst = false) {
const wrapped = RichTextProcessor.wrapEmojiText(str);
el.innerHTML = wrapped;
const childNodes = el.childNodes;
let first = '', last = '';
const firstNode = childNodes[0];
if('length' in firstNode) first = (firstNode as any).textContent.charAt(0).toUpperCase();
else first = (firstNode as HTMLElement).outerHTML;
if(onlyFirst) return first;
if(str.indexOf(' ') !== -1) {
const lastNode = childNodes[childNodes.length - 1];
if(lastNode == firstNode) last = lastNode.textContent.split(' ').pop().charAt(0).toUpperCase();
else if('length' in lastNode) last = (lastNode as any).textContent.charAt(0).toUpperCase();
else last = (lastNode as HTMLElement).outerHTML;
}
return first + last;
}
export function safeReplaceObject(wasObject: any, newObject: any) {
for(var key in wasObject) {
if(!newObject.hasOwnProperty(key) && key.charAt(0) != '$') {
delete wasObject[key];
}
}
for(var key in newObject) {
//if (newObject.hasOwnProperty(key)) { // useless
wasObject[key] = newObject[key];
//}
}
}
/**
* Will be used for FILE_REFERENCE_EXPIRED
* @param key
* @param wasObject
* @param newObject
*/
export function safeReplaceArrayInObject<K>(key: K, wasObject: any, newObject: any) {
if('byteLength' in newObject[key]) { // Uint8Array
newObject[key] = [...newObject[key]];
}
if(wasObject && wasObject[key] != newObject[key]) {
wasObject[key].length = newObject[key].length;
(newObject[key] as any[]).forEach((v, i) => {
wasObject[key][i] = v;
});
/* wasObject[key].set(newObject[key]); */
newObject[key] = wasObject[key];
}
}
export function limitSymbols(str: string, length: number, limitFrom = length + 10) {
if(str.length > limitFrom) {
str = str.slice(0, length).replace(/(\n|\s)+$/, '') + '...';
}
return str;
}
export function numberWithCommas(x: number) {
var parts = x.toString().split(".");
parts[0] = parts[0].replace(/\B(?=(\d{3})+(?!\d))/g, ",");
return parts.join(".");
}
//export function findUpClassName<T>(el: any, className: string): T;
export function findUpClassName(el: any, className: string): HTMLElement {
if(el.classList.contains(className)) return el; // 03.02.2020
while(el.parentElement) {
el = el.parentElement;
if(el.classList.contains(className))
return el;
}
return null;
}
export function findUpTag(el: any, tag: string): HTMLElement {
if(el.tagName == tag) return el; // 03.02.2020
while(el.parentElement) {
el = el.parentElement;
if(el.tagName === tag)
return el;
}
return null;
}
export function findUpAttribute(el: any, attribute: string): HTMLElement {
if(el.getAttribute(attribute) != null) return el; // 03.02.2020
while(el.parentElement) {
el = el.parentElement;
if(el.getAttribute(attribute) != null)
return el;
}
return null;
}
export function getObjectKeysAndSort(object: any, sort: 'asc' | 'desc' = 'asc') {
const ids = Object.keys(object).map(i => +i);
if(sort == 'asc') return ids.sort((a, b) => a - b);
else return ids.sort((a, b) => b - a);
}
export function whichChild(elem: Node) {
if(!elem.parentNode) {
return -1;
}
let i = 0;
// @ts-ignore
while((elem = elem.previousElementSibling) != null) ++i;
return i;
};
export function copy<T>(obj: T): T {
//in case of premitives
if(obj === null || typeof(obj) !== "object") {
return obj;
}
//date objects should be
if(obj instanceof Date) {
return new Date(obj.getTime()) as any;
}
//handle Array
if(Array.isArray(obj)){
var clonedArr: any = [];
obj.forEach(function(element){
clonedArr.push(copy(element))
});
return clonedArr;
}
//lastly, handle objects
// @ts-ignore
let clonedObj = new obj.constructor();
for(var prop in obj){
if(obj.hasOwnProperty(prop)){
clonedObj[prop] = copy(obj[prop]);
}
}
return clonedObj;
}
export function formatBytes(bytes: number, decimals = 2) {
if (bytes === 0) return '0 Bytes';
const k = 1024;
const dm = decimals < 0 ? 0 : decimals;
const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
const i = Math.floor(Math.log(bytes) / Math.log(k));
return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i];
}
export function formatNumber(bytes: number, decimals = 2) {
if(bytes === 0) return '0';
const k = 1000;
const dm = decimals < 0 ? 0 : decimals;
const sizes = ['', 'K', 'M', 'B', 'T'];
const i = Math.floor(Math.log(bytes) / Math.log(k));
return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + sizes[i];
}
export function deepEqual(x: any, y: any): boolean {
const ok = Object.keys, tx = typeof x, ty = typeof y;
return x && y && tx === 'object' && tx === ty ? (
ok(x).length === ok(y).length &&
ok(x).every(key => deepEqual(x[key], y[key]))
) : (x === y);
}
export function listMergeSorted(list1: any, list2: any) {
list1 = list1 || [];
list2 = list2 || [];
var result = copy(list1);
var minID = list1.length ? list1[list1.length - 1] : 0xFFFFFFFF;
for (var i = 0; i < list2.length; i++) {
if (list2[i] < minID) {
result.push(list2[i]);
}
}
return result;
}
// credits to https://github.com/sindresorhus/escape-string-regexp/blob/master/index.js
export function escapeRegExp(str: string) {
return str
.replace(/[|\\{}()[\]^$+*?.]/g, '\\$&')
.replace(/-/g, '\\x2d');
}
export function encodeEntities(value: string) {
return value.replace(/&/g, '&amp;').replace(/[\uD800-\uDBFF][\uDC00-\uDFFF]/g, (value) => {
var hi = value.charCodeAt(0);
var low = value.charCodeAt(1);
return '&#' + (((hi - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000) + ';';
}).replace(/([^\#-~| |!])/g, (value) => { // non-alphanumeric
return '&#' + value.charCodeAt(0) + ';';
}).replace(/</g, '&lt;').replace(/>/g, '&gt;');
}
export function fillPropertyValue(str: string) {
let splitted = str.split(' ');
if(splitted.length != 4) {
if(!splitted[0]) splitted[0] = '0px';
for(let i = splitted.length; i < 4; ++i) {
splitted[i] = splitted[i % 2] || splitted[0] || '0px';
}
}
return splitted;
}
export function calcImageInBox (imageW: number, imageH: number, boxW: number, boxH: number, noZoom?: boolean) {
if(imageW < boxW && imageH < boxH) {
return {w: imageW, h: imageH};
}
var boxedImageW = boxW;
var boxedImageH = boxH;
if((imageW / imageH) > (boxW / boxH)) {
boxedImageH = (imageH * boxW / imageW) | 0;
} else {
boxedImageW = (imageW * boxH / imageH) | 0;
if(boxedImageW > boxW) {
boxedImageH = (boxedImageH * boxW / boxedImageW) | 0;
boxedImageW = boxW;
}
}
// if (Config.Navigator.retina) {
// imageW = Math.floor(imageW / 2)
// imageH = Math.floor(imageH / 2)
// }
if(noZoom && boxedImageW >= imageW && boxedImageH >= imageH) {
boxedImageW = imageW;
boxedImageH = imageH;
}
return {w: boxedImageW, h: boxedImageH};
}
export function getEmojiToneIndex(input: string) {
let match = input.match(/[\uDFFB-\uDFFF]/);
return match ? 5 - (57343 - match[0].charCodeAt(0)) : 0;
}
export type FileURLType = 'photo' | 'thumb' | 'document' | 'stream' | 'download';
export function getFileURL(type: FileURLType, options: DownloadOptions) {
//console.log('getFileURL', location);
//const perf = performance.now();
const encoded = encodeURIComponent(JSON.stringify(options));
//console.log('getFileURL encode:', performance.now() - perf, encoded);
return '/' + type + '/' + encoded;
}
export function positionElementByIndex(element: HTMLElement, container: HTMLElement, pos: number) {
const prevPos = whichChild(element);
if(prevPos == pos) {
return false;
} else if(prevPos != -1 && prevPos < pos) { // was higher
pos += 1;
}
if(container.childElementCount > pos) {
container.insertBefore(element, container.children[pos]);
} else {
container.append(element);
}
return true;
}
export function splitStringByLength(str: string, maxLength: number) {
if(str.length < maxLength) return [str];
let length = 0, lastSliceStartIndex = 0, arrayIndex = 0;
const delimiter = ' ';//'\n';
const out: string[] = [];
const cut = (end?: number) => {
let part = str.slice(lastSliceStartIndex, end);
const _arrayIndex = arrayIndex++;
if(part.length > maxLength) {
let overflowPart = part.slice(maxLength);
const splitted = splitStringByLength(overflowPart, maxLength);
splitted.forEach(part => {
out[arrayIndex++] = part;
});
part = part.slice(0, maxLength);
}
lastSliceStartIndex = end;
length = 0;
out[_arrayIndex] = (out[_arrayIndex] || '') + part;
};
let lastIndex = 0;
do {
let index = str.indexOf(delimiter, lastIndex);
if(index === -1) {
if(lastIndex != (str.length - 1)) {
cut();
}
break;
}
index += delimiter.length;
const partLength = index - lastIndex;
if((length + partLength) > maxLength) {
cut(length);
}
lastIndex = index;
length += partLength;
} while(true);
return out;
}
export function defineNotNumerableProperties(obj: {[key: string]: any}, names: string[]) {
//const perf = performance.now();
const props = {writable: true, configurable: true};
const out: {[name: string]: typeof props} = {};
names.forEach(name => {
if(obj[name] === undefined) {
out[name] = props;
}
});
Object.defineProperties(obj, out);
//console.log('defineNotNumerableProperties time:', performance.now() - perf);
}
export function cancelSelection() {
if(window.getSelection) {
if(window.getSelection().empty) { // Chrome
window.getSelection().empty();
} else if(window.getSelection().removeAllRanges) { // Firefox
window.getSelection().removeAllRanges();
}
// @ts-ignore
} else if(document.selection) { // IE?
// @ts-ignore
document.selection.empty();
}
}
export function getSelectedText() {
if(window.getSelection) {
return window.getSelection().toString();
// @ts-ignore
} else if(document.selection) {
// @ts-ignore
return document.selection.createRange().text;
}
return '';
}
//(window as any).splitStringByLength = splitStringByLength;