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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// 2022-07-06 Updated to null safety

import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';

/// A widget that takes two children, lays them out along [axis], and allows
/// the user to resize them.

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(async function() {
const cls1 = [
    'article[role="presentation"]',
    'div[style]',
    'div[style]',
    'div[role="button"]',
    'div',
    'div[role="button"]',
    'div[style]',
    'img[crossorigin="anonymous"][class]',

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// Slashy things are single-line comments, very useful
/*
 * Slashy + star are multi-line comments
 * 
 * This is a basic inheritence example,
 * which is a core principle of OOP, or Object Oriented Programming
 */

// Imports let you use things from other libraries (code)
// that you or others have written

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(function() {

const table2csv = table => {
    
    const rows = [...table.querySelectorAll('tr')]
    const csv = []
    
    if (rows.length < 20) return null
    
    for (let i in rows) {

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export const isValidateEmail = email => {
    const re = /^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/
    return re.test(String(email).toLowerCase())
}

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export const formatCurrency = (number, currency) => {
    const options = {
        minimumFractionDigits: 2,
        currencyDisplay: 'narrowSymbol',
        currencySign: 'accounting',
    }
    if (currency) {
        options.style = 'currency'
        options.currency = currency
    }

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export const getLocale = () => {
    const locale = (navigator.languages && navigator.languages.length)
        ? navigator.languages[0]
        : navigator.language
    return locale || 'en-US'
}

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export const snippet = (val, len = 5) =>
    (val && val.length > (len * 2))
        ? val.substring(0, len) + '...' + val.substring(val.length - len)
        : val

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export const isPrimitive = val => {
    const type = typeof val
    if (Array.isArray(val)) return false
    if (type === 'object') return val === null
    return type !== 'function'
}

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export function debounce(func, wait, immediate) {
    let timeout
    return function (...args) {
        clearTimeout(timeout)
        timeout = setTimeout(() => {
            timeout = null
            if (!immediate) func.apply(this, args)
        }, wait)
        if (immediate && !timeout) func.apply(this, [...args])
    }