@ngx-mask/core
Version:
[@ngx-mask/core](https://github.com/IKatsuba/ngx-mask#readme)
402 lines (393 loc) • 14 kB
JavaScript
import { __decorate, __param, __metadata } from 'tslib';
import { InjectionToken, Inject, ɵɵdefineInjectable, ɵɵinject, Injectable, Pipe, EventEmitter, ElementRef, Renderer2, Optional, Output, Input, HostListener, Directive, NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { NgControl } from '@angular/forms';
import { BACKSPACE } from '@angular/cdk/keycodes';
import { timer } from 'rxjs';
var MaskPatterns;
(function (MaskPatterns) {
MaskPatterns["number"] = "\\d";
})(MaskPatterns || (MaskPatterns = {}));
function insertChar(text, char, position) {
const t = text.split('');
t.splice(position, 0, char);
return t.join('');
}
function calcOptionalNumbersToUse(pattern, value, tokens) {
const numberToken = Object.keys(tokens).find(token => tokens[token].pattern === MaskPatterns.number);
if (!numberToken) {
return 0;
}
const numbersInPattern = pattern.replace(new RegExp(`[^${numberToken}]`, 'g'), '').length;
const numbersInValue = value.replace(/[^\d]/g, '').length;
return numbersInValue - numbersInPattern;
}
function concatChar(text, character, options, token) {
if (token && typeof token.transform === 'function') {
character = token.transform(character);
}
return text + character;
}
function hasMoreTokens(pattern, pos, inc, tokens) {
const pc = pattern.charAt(pos);
const token = tokens[pc];
if (pc === '') {
return false;
}
return token && !token.escape ? true : hasMoreTokens(pattern, pos + inc, inc, tokens);
}
class Mask {
constructor(pattern, options) {
var _a, _b;
this.pattern = pattern;
this.options = {
useDefaults: (_b = (_a = options) === null || _a === void 0 ? void 0 : _a.useDefaults, (_b !== null && _b !== void 0 ? _b : false)),
tokens: options.tokens
};
}
static process(value, pattern, options) {
return new Mask(pattern, options).process(value);
}
;
static applyMask(value, pattern, options) {
return new Mask(pattern, options).apply(value);
}
;
static validate(value, pattern, options) {
return new Mask(pattern, options).validate(value);
}
;
process(value) {
if (!value) {
return { result: '', valid: false };
}
const { tokens } = this.options;
const pattern2 = this.pattern;
let valid = true;
let formatted = '';
let valuePos = 0;
let patternPos = 0;
let optionalNumbersToUse = calcOptionalNumbersToUse(pattern2, value, tokens);
let escapeNext = false;
const steps = {
start: 0,
end: pattern2.length,
inc: 1
};
function continueCondition() {
if (hasMoreTokens(pattern2, patternPos, steps.inc, tokens)) {
// continue in the normal iteration
return true;
}
return patternPos < pattern2.length && patternPos >= 0;
}
/**
* Iterate over the pattern's chars parsing/matching the input value chars
* until the end of the pattern. If the pattern ends with recursive chars
* the iteration will continue until the end of the input value.
*
* Note: The iteration must stop if an invalid char is found.
*/
for (patternPos = steps.start; continueCondition();) {
// Value char
const vc = value.charAt(valuePos);
// Pattern char to match with the value char
const pc = pattern2.charAt(patternPos);
const token = tokens[pc];
// 1. Handle escape tokens in pattern
// go to next iteration: if the pattern char is a escape char or was escaped
if (escapeNext) {
// pattern char is escaped, just add it and move on
formatted = concatChar(formatted, pc, this.options, token);
escapeNext = false;
patternPos = patternPos + steps.inc;
continue;
}
else if (token && token.escape) {
// mark to escape the next pattern char
escapeNext = true;
patternPos = patternPos + steps.inc;
continue;
}
// 3. Handle the value
// break iterations: if value is invalid for the given pattern
if (!token) {
// add char of the pattern
formatted = concatChar(formatted, pc, this.options, token);
if (pc === vc) {
valuePos += steps.inc;
}
}
else if (token.optional) {
// if token is optional, only add the value char if it matchs the token pattern
// if not, move on to the next pattern char
if (new RegExp(token.pattern).test(vc) && optionalNumbersToUse) {
formatted = concatChar(formatted, vc, this.options, token);
valuePos += steps.inc;
optionalNumbersToUse--;
}
}
else if (new RegExp(token.pattern).test(vc)) {
// if token isn't optional the value char must match the token pattern
formatted = concatChar(formatted, vc, this.options, token);
valuePos += steps.inc;
}
else if (!vc && token.default && this.options.useDefaults) {
// if the token isn't optional and has a default value, use it if the value is finished
formatted = concatChar(formatted, token.default, this.options, token);
}
else if (vc) {
// the string value don't match the given pattern
valuePos += steps.inc;
continue;
}
else {
// the string value don't match the given pattern
valid = false;
break;
}
patternPos = patternPos + steps.inc;
}
return { result: formatted, valid: valid };
}
apply(value) {
return this.process(value).result;
}
validate(value) {
return this.process(value).valid;
}
}
const NGX_MASK_OPTIONS = new InjectionToken('NGX_MASK_OPTIONS', {
providedIn: 'root',
factory() {
return {
tokens: {
'0': { pattern: MaskPatterns.number, default: '0' },
'9': { pattern: MaskPatterns.number, optional: true },
'A': { pattern: '[a-zA-Z0-9]' },
'S': { pattern: '[a-zA-Z]' },
'U': {
pattern: '[a-zA-Z]',
transform: (c) => c.toLocaleUpperCase()
},
'L': {
pattern: '[a-zA-Z]',
transform: (c) => c.toLocaleLowerCase()
},
'$': { escape: true }
}
};
}
});
let NgxMaskService = class NgxMaskService {
constructor(options) {
this.options = options;
this.validateTokens(options.tokens);
}
applyMask(value, mask, options) {
return Mask.applyMask(value, mask, Object.assign(Object.assign({}, this.options), options));
}
validateTokens(tokens) {
const token = Object.keys((tokens !== null && tokens !== void 0 ? tokens : {})).find(key => key.length !== 1);
if (token) {
throw new Error(`Token length must be 1! Actual token '${token}'`);
}
}
};
NgxMaskService.ctorParameters = () => [
{ type: undefined, decorators: [{ type: Inject, args: [NGX_MASK_OPTIONS,] }] }
];
NgxMaskService.ɵprov = ɵɵdefineInjectable({ factory: function NgxMaskService_Factory() { return new NgxMaskService(ɵɵinject(NGX_MASK_OPTIONS)); }, token: NgxMaskService, providedIn: "root" });
NgxMaskService = __decorate([
Injectable({
providedIn: 'root'
}),
__param(0, Inject(NGX_MASK_OPTIONS)),
__metadata("design:paramtypes", [Object])
], NgxMaskService);
let NgxMaskPipe = class NgxMaskPipe {
constructor(maskService) {
this.maskService = maskService;
}
transform(value, mask, config) {
return this.maskService.applyMask(value, mask, config);
}
};
NgxMaskPipe.ctorParameters = () => [
{ type: NgxMaskService }
];
NgxMaskPipe = __decorate([
Pipe({
name: 'ngxMask'
}),
__metadata("design:paramtypes", [NgxMaskService])
], NgxMaskPipe);
var NgxMaskDirective_1;
let NgxMaskDirective = NgxMaskDirective_1 = class NgxMaskDirective {
constructor(maskService, elementRef, renderer, ngControl) {
this.maskService = maskService;
this.elementRef = elementRef;
this.renderer = renderer;
this.ngControl = ngControl;
this.valueChange = new EventEmitter();
this._mask = '';
this.onChange = (_) => {
};
this.onTouched = () => {
};
if (ngControl) {
ngControl.valueAccessor = this;
}
}
get value() {
return this.elementRef.nativeElement.value;
}
set value(value) {
this.nativeValue = value;
this._onInput();
}
get mask() {
return this._mask;
}
set mask(value) {
this._mask = value;
this._onInput();
}
set nativeValue(value) {
this.lastNativeValue = value;
this.elementRef.nativeElement.value = value;
this.valueChange.emit(value);
}
get input() {
return this.elementRef.nativeElement;
}
static indexOfFirstDifferentChar(value, diff = '') {
let index;
for (let i = 0; i < diff.length && i < value.length; i++) {
if (value.charAt(i) !== diff.charAt(i)) {
index = i;
break;
}
}
return (index !== null && index !== void 0 ? index : value.length);
}
registerOnChange(fn) {
this.onChange = fn;
}
registerOnTouched(fn) {
this.onTouched = fn;
}
setDisabledState(isDisabled) {
isDisabled
? this.renderer.setAttribute(this.elementRef, 'disabled', 'disabled')
: this.renderer.removeAttribute(this.elementRef, 'disabled');
}
writeValue(obj) {
this.value = obj;
this._onInput();
}
onBlur() {
this.onTouched();
}
_onKeydown(event) {
const { selectionStart, selectionEnd } = this.input;
this.isBackspaceChange = event.keyCode === BACKSPACE && selectionEnd === selectionStart;
}
_onInput({ emitChange = true } = {}) {
const { value, selectionStart } = this.input;
const maskedValue = this.maskService.applyMask(value, this.mask);
const indexOfFirstDifferentChar = this.lastNativeValue
? NgxMaskDirective_1.indexOfFirstDifferentChar(maskedValue, this.lastNativeValue)
: maskedValue.length;
this.nativeValue = maskedValue;
this.input.selectionStart = this.input.selectionEnd = this.isBackspaceChange
? selectionStart
: indexOfFirstDifferentChar + 1;
this.isBackspaceChange = false;
if (emitChange) {
this.onChange(this.value);
}
}
ngAfterViewInit() {
if (this.ngControl && this.ngControl.value !== this.value) {
timer(0).subscribe(() => this.onChange(this.value));
}
}
};
NgxMaskDirective.ctorParameters = () => [
{ type: NgxMaskService },
{ type: ElementRef },
{ type: Renderer2 },
{ type: NgControl, decorators: [{ type: Optional }] }
];
__decorate([
Output(),
__metadata("design:type", Object)
], NgxMaskDirective.prototype, "valueChange", void 0);
__decorate([
Input(),
__metadata("design:type", String),
__metadata("design:paramtypes", [String])
], NgxMaskDirective.prototype, "value", null);
__decorate([
Input('ngxMask'),
__metadata("design:type", String),
__metadata("design:paramtypes", [String])
], NgxMaskDirective.prototype, "mask", null);
__decorate([
HostListener('blur'),
__metadata("design:type", Function),
__metadata("design:paramtypes", []),
__metadata("design:returntype", void 0)
], NgxMaskDirective.prototype, "onBlur", null);
__decorate([
HostListener('keydown', ['$event']),
__metadata("design:type", Function),
__metadata("design:paramtypes", [KeyboardEvent]),
__metadata("design:returntype", void 0)
], NgxMaskDirective.prototype, "_onKeydown", null);
__decorate([
HostListener('change'),
HostListener('input'),
__metadata("design:type", Function),
__metadata("design:paramtypes", [Object]),
__metadata("design:returntype", void 0)
], NgxMaskDirective.prototype, "_onInput", null);
NgxMaskDirective = NgxMaskDirective_1 = __decorate([
Directive({
selector: 'input[ngxMask][type=text]'
}),
__param(3, Optional()),
__metadata("design:paramtypes", [NgxMaskService,
ElementRef,
Renderer2,
NgControl])
], NgxMaskDirective);
var NgxMaskCoreModule_1;
let NgxMaskCoreModule = NgxMaskCoreModule_1 = class NgxMaskCoreModule {
static configure(options) {
return {
ngModule: NgxMaskCoreModule_1,
providers: [
{
provide: NGX_MASK_OPTIONS,
useValue: options
}
]
};
}
};
NgxMaskCoreModule = NgxMaskCoreModule_1 = __decorate([
NgModule({
imports: [CommonModule],
exports: [
NgxMaskDirective
],
declarations: [NgxMaskPipe, NgxMaskDirective]
})
], NgxMaskCoreModule);
/**
* Generated bundle index. Do not edit.
*/
export { Mask, MaskPatterns, NGX_MASK_OPTIONS, NgxMaskCoreModule, NgxMaskDirective, NgxMaskPipe, NgxMaskService };
//# sourceMappingURL=ngx-mask-core.js.map