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feature(validators): min/max/number-required directives (#98)
* added min/max/number-required validators * update(docs): add min/max directive docs * update(docs): add tdFade to directives * update(fade): ts example
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| import { Directive, Input, forwardRef } from '@angular/core'; | ||
| import { NG_VALIDATORS, Validator, Validators, AbstractControl, ValidatorFn } from '@angular/forms'; | ||
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| import { TdNumberRequiredValidator } from './number-required.validator'; | ||
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| export const MAX_VALIDATOR: any = { | ||
| provide: NG_VALIDATORS, | ||
| useExisting: forwardRef(() => TdMaxValidator), | ||
| multi: true, | ||
| }; | ||
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| @Directive({ | ||
| selector: '[max][formControlName],[max][formControl],[max][ngModel]', | ||
| providers: [ MAX_VALIDATOR ], | ||
| }) | ||
| export class TdMaxValidator implements Validator { | ||
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| private _validator: ValidatorFn; | ||
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| @Input('max') | ||
| set max(max: number) { | ||
| this._validator = TdMaxValidator.validate(max); | ||
| } | ||
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| static validate(maxValue: any): ValidatorFn { | ||
| return (c: AbstractControl): {[key: string]: any} => { | ||
| if (!!Validators.required(c) || !!TdNumberRequiredValidator.validate(c) || (!maxValue && maxValue !== 0)) { | ||
| return undefined; | ||
| } | ||
| let v: number = c.value; | ||
| return v > maxValue ? | ||
| { max: {maxValue: maxValue, actualValue: v} } : | ||
| undefined; | ||
| }; | ||
| }; | ||
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| validate(c: AbstractControl): {[key: string]: any} { | ||
| return this._validator(c); | ||
| }; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| import { Directive, Input, forwardRef } from '@angular/core'; | ||
| import { NG_VALIDATORS, Validator, Validators, AbstractControl, ValidatorFn } from '@angular/forms'; | ||
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| import { TdNumberRequiredValidator } from './number-required.validator'; | ||
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| export const MIN_VALIDATOR: any = { | ||
| provide: NG_VALIDATORS, | ||
| useExisting: forwardRef(() => TdMinValidator), | ||
| multi: true, | ||
| }; | ||
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| @Directive({ | ||
| selector: '[min][formControlName],[min][formControl],[min][ngModel]', | ||
| providers: [ MIN_VALIDATOR ], | ||
| }) | ||
| export class TdMinValidator implements Validator { | ||
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| private _validator: ValidatorFn; | ||
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| @Input('min') | ||
| set min(min: number) { | ||
| this._validator = TdMinValidator.validate(min); | ||
| } | ||
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| static validate(minValue: any): ValidatorFn { | ||
| return (c: AbstractControl): {[key: string]: any} => { | ||
| if (!!Validators.required(c) || !!TdNumberRequiredValidator.validate(c) || (!minValue && minValue !== 0)) { | ||
| return undefined; | ||
| } | ||
| let v: number = c.value; | ||
| return v < minValue ? | ||
| { min: {minValue: minValue, actualValue: v} } : | ||
| undefined; | ||
| }; | ||
| }; | ||
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| validate(c: AbstractControl): {[key: string]: any} { | ||
| return this._validator(c); | ||
| }; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| import { Directive, forwardRef } from '@angular/core'; | ||
| import { NG_VALIDATORS, Validator, AbstractControl } from '@angular/forms'; | ||
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| export const NUMBER_INPUT_REQUIRED_VALIDATOR: any = { | ||
| provide: NG_VALIDATORS, | ||
| useExisting: forwardRef(() => TdNumberRequiredValidator), | ||
| multi: true, | ||
| }; | ||
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| @Directive({ | ||
| selector: `[type=number][required][formControlName], | ||
| [type=number][required][formControl], | ||
| [type=number][required][ngModel]`, | ||
| providers: [ NUMBER_INPUT_REQUIRED_VALIDATOR ], | ||
| }) | ||
| export class TdNumberRequiredValidator implements Validator { | ||
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| static validate(c: AbstractControl): {[key: string]: any} { | ||
| return (Number.isNaN(c.value)) ? | ||
| { required: true } : | ||
| undefined; | ||
| } | ||
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| validate(c: AbstractControl): {[key: string]: any} { | ||
| return TdNumberRequiredValidator.validate(c); | ||
| } | ||
| } |
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