85 lines
2.5 KiB
TypeScript
85 lines
2.5 KiB
TypeScript
import { ApplicationController } from './application_controller';
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export class FormatController extends ApplicationController {
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connect() {
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const format = this.element.getAttribute('data-format');
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switch (format) {
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case 'list':
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this.on('change', (event) => {
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const target = event.target as HTMLInputElement;
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const value = this.formatList(target.value);
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replaceValue(target, value);
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});
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break;
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case 'iban':
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this.on('input', (event) => {
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const target = event.target as HTMLInputElement;
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const value = this.formatIBAN(target.value);
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replaceValue(target, value);
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});
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break;
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case 'integer':
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this.on('input', (event) => {
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const target = event.target as HTMLInputElement;
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const value = this.formatInteger(target.value);
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replaceValue(target, value);
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});
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break;
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case 'decimal':
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this.on('input', (event) => {
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const target = event.target as HTMLInputElement;
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const value = this.formatDecimal(target.value);
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replaceValue(target, value);
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});
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break;
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}
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}
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private formatList(value: string) {
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return value.replace(/;/g, ',');
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}
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private formatIBAN(value: string) {
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return value
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.replace(/[^\dA-Z]/gi, '')
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.replace(/(.{4})/g, '$1 ')
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.trim()
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.toUpperCase();
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}
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private formatInteger(value: string) {
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return value.replace(/[^-?\d]/g, '');
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}
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private formatDecimal(value: string) {
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const decimalSeparator = getDecimalSeparator(value);
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const number =
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decimalSeparator == ','
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? value.replace(/\./g, '').replace(/,/g, '.')
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: value.replace(/,/g, '');
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return number.replace(new RegExp(`[^-?\\d.]`, 'g'), '');
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}
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}
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function replaceValue(target: HTMLInputElement, value: string) {
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const delta = target.value.length - value.length;
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const start = target.selectionStart;
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const end = target.selectionStart;
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const dir = target.selectionDirection;
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target.value = value;
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target.selectionStart = start ? start - delta : 0;
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target.selectionEnd = end ? end - delta : 0;
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target.selectionDirection = dir;
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}
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function getDecimalSeparator(value: string) {
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if (value.indexOf('.') != -1 && value.indexOf(',') != -1) {
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if (value.lastIndexOf('.') < value.lastIndexOf(',')) {
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return ',';
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}
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return '.';
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} else if (value.indexOf(',') != -1) {
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return ',';
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}
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return (1.1).toLocaleString().indexOf('.') != -1 ? '.' : ',';
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}
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