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Copy pathcommon.ts
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186 lines (152 loc) · 4.82 KB
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import * as types from './types';
import { dispatchToMainThread, dispatchToUIThread, isMainThread } from './mainthread-helper';
import * as emojiRegexModule from 'emoji-regex';
// Normalize emoji-regex CommonJS / ESM shapes into a callable function.
// Some bundlers expose it as module.exports, others as module.exports.default.
const emojiRegex: (input: string) => RegExp = (() => {
const mod: any = emojiRegexModule;
if (mod && typeof mod.default === 'function') {
return mod.default;
}
if (typeof mod === 'function') {
return mod;
}
// Fallback: minimal safe regex that never throws.
return () => /./g;
})();
export * from './mainthread-helper';
export * from './macrotask-scheduler';
export * from './utils-shared';
export const FILE_PREFIX = 'file:///';
export const FONT_PREFIX = 'font://';
export const RESOURCE_PREFIX = 'res://';
export const SYSTEM_PREFIX = 'sys://';
export function escapeRegexSymbols(source: string): string {
const escapeRegex = /[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g;
return source.replace(escapeRegex, '\\$&');
}
export function convertString(value: any): any {
let result;
if (!types.isString(value) || value.trim() === '') {
result = value;
} else {
// Try to convert value to number.
const valueAsNumber = +value;
if (!isNaN(valueAsNumber)) {
result = valueAsNumber;
} else if (value && (value.toLowerCase() === 'true' || value.toLowerCase() === 'false')) {
result = value.toLowerCase() === 'true' ? true : false;
} else {
result = value;
}
}
return result;
}
export function getModuleName(path: string): string {
const moduleName = path.replace('./', '');
return sanitizeModuleName(moduleName);
}
/**
* Helps sanitize a module name if it is prefixed with '~/', '~' or '/'
* @param moduleName the name
* @param removeExtension whether to remove extension
*/
export function sanitizeModuleName(moduleName: string, removeExtension = true): string {
moduleName = moduleName.trim();
if (moduleName.startsWith('~/')) {
moduleName = moduleName.substring(2);
} else if (moduleName.startsWith('~')) {
moduleName = moduleName.substring(1);
} else if (moduleName.startsWith('/')) {
moduleName = moduleName.substring(1);
}
if (removeExtension) {
const extToRemove = ['js', 'mjs', 'ts', 'xml', 'html', 'css', 'scss'];
const extensionRegEx = new RegExp(`(.*)\\.(?:${extToRemove.join('|')})`, 'i');
moduleName = moduleName.replace(extensionRegEx, '$1');
}
return moduleName;
}
export function isFileOrResourcePath(path: string): boolean {
if (!types.isString(path)) {
return false;
}
return (
path.indexOf('~/') === 0 || // relative to AppRoot
path.indexOf('/') === 0 || // absolute path
path.indexOf(RESOURCE_PREFIX) === 0 ||
path.indexOf(SYSTEM_PREFIX) === 0
); // resource
}
export function isFontIconURI(uri: string): boolean {
if (!types.isString(uri)) {
return false;
}
return uri.trim().startsWith(FONT_PREFIX);
}
export function isSystemURI(uri: string): boolean {
if (!types.isString(uri)) {
return false;
}
return uri.trim().startsWith(SYSTEM_PREFIX);
}
export function isDataURI(uri: string): boolean {
if (!types.isString(uri)) {
return false;
}
const firstSegment = uri.trim().split(',')[0];
return firstSegment && firstSegment.indexOf('data:') === 0 && firstSegment.indexOf('base64') >= 0;
}
export function mergeSort(arr, compareFunc) {
if (arr.length < 2) {
return arr;
}
const middle = arr.length / 2;
const left = arr.slice(0, middle);
const right = arr.slice(middle, arr.length);
return merge(mergeSort(left, compareFunc), mergeSort(right, compareFunc), compareFunc);
}
export function merge(left, right, compareFunc) {
const result = [];
while (left.length && right.length) {
if (compareFunc(left[0], right[0]) <= 0) {
result.push(left.shift());
} else {
result.push(right.shift());
}
}
while (left.length) {
result.push(left.shift());
}
while (right.length) {
result.push(right.shift());
}
return result;
}
export function hasDuplicates(arr: Array<any>): boolean {
return arr.length !== eliminateDuplicates(arr).length;
}
export function eliminateDuplicates(arr: Array<any>): Array<any> {
return Array.from(new Set(arr));
}
export function executeOnMainThread(func: Function) {
if (isMainThread()) {
return func();
} else {
dispatchToMainThread(func);
}
}
export function executeOnUIThread(func: Function) {
dispatchToUIThread(func);
}
export function mainThreadify(func: Function): (...args: any[]) => void {
return function (...args) {
const argsToPass = args;
executeOnMainThread(() => func.apply(this, argsToPass));
};
}
export function isEmoji(value: string): boolean {
// TODO: In a future runtime update, we can switch to using Unicode Property Escapes:
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions/Unicode_Property_Escapes
return emojiRegex(value).test(value);
}