@clr/angular
Version:
Angular components for Clarity
195 lines • 28.1 kB
JavaScript
/*
* Copyright (c) 2016-2025 Broadcom. All Rights Reserved.
* The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries.
* This software is released under MIT license.
* The full license information can be found in LICENSE in the root directory of this project.
*/
import { Injectable } from '@angular/core';
import { DayModel } from '../model/day.model';
import { BIG_ENDIAN, DEFAULT_LOCALE_FORMAT, DELIMITER_REGEX, LITTLE_ENDIAN, LITTLE_ENDIAN_REGEX, MIDDLE_ENDIAN, MIDDLE_ENDIAN_REGEX, RTL_REGEX, USER_INPUT_REGEX, } from '../utils/constants';
import { getNumberOfDaysInTheMonth, parseToFourDigitYear } from '../utils/date-utils';
import * as i0 from "@angular/core";
import * as i1 from "./locale-helper.service";
export class DateIOService {
constructor(localeHelperService) {
this.disabledDates = {
// This is the default range. It approximates the beginning of time to the end of time.
// Unless a minDate or maxDate is set with the native HTML5 api the range is all dates
// TODO: turn this into an Array of min/max ranges that allow configuration of multiple ranges.
minDate: new DayModel(0, 0, 1),
maxDate: new DayModel(9999, 11, 31),
};
this.cldrLocaleDateFormat = DEFAULT_LOCALE_FORMAT;
this.localeDisplayFormat = LITTLE_ENDIAN;
this.delimiters = ['/', '/'];
this.cldrLocaleDateFormat = localeHelperService.localeDateFormat;
this.initializeLocaleDisplayFormat();
}
get placeholderText() {
const format = this.localeDisplayFormat.format;
return format[0] + this.delimiters[0] + format[1] + this.delimiters[1] + format[2];
}
setMinDate(date) {
// NOTE: I'm expecting consumers to pass one of four things here:
// A proper date string(2019-11-11), null, undefined or empty string ('')
if (!date) {
// attribute binding was removed, reset back to the beginning of time
this.disabledDates.minDate = new DayModel(0, 0, 1);
}
else {
const [year, month, day] = date.split('-').map(n => parseInt(n, 10));
this.disabledDates.minDate = new DayModel(year, month - 1, day);
}
}
setMaxDate(date) {
// NOTE: I'm expecting consumers to pass one of four things here:
// A proper date string(2019-11-11), null, undefined or empty string ('')
if (!date) {
// attribute binding was removed, reset forward to the end of time
this.disabledDates.maxDate = new DayModel(9999, 11, 31);
}
else {
const [year, month, day] = date.split('-').map(n => parseInt(n, 10));
this.disabledDates.maxDate = new DayModel(year, month - 1, day);
}
}
setRangeOptions(rangeOptions) {
const validatedRangeOption = this.validateDateRangeOptions(rangeOptions);
this.dateRangeOptions = validatedRangeOption || [];
}
getRangeOptions() {
return this.dateRangeOptions;
}
toLocaleDisplayFormatString(date) {
if (date) {
if (isNaN(date.getTime())) {
return '';
}
const dateNo = date.getDate();
const monthNo = date.getMonth() + 1;
const dateStr = dateNo > 9 ? dateNo.toString() : '0' + dateNo;
const monthStr = monthNo > 9 ? monthNo.toString() : '0' + monthNo;
if (this.localeDisplayFormat === LITTLE_ENDIAN) {
return dateStr + this.delimiters[0] + monthStr + this.delimiters[1] + date.getFullYear();
}
else if (this.localeDisplayFormat === MIDDLE_ENDIAN) {
return monthStr + this.delimiters[0] + dateStr + this.delimiters[1] + date.getFullYear();
}
else {
return date.getFullYear() + this.delimiters[0] + monthStr + this.delimiters[1] + dateStr;
}
}
return '';
}
getDateValueFromDateString(date) {
if (!date || typeof date !== 'string') {
return null;
}
const dateParts = date.match(USER_INPUT_REGEX);
if (!dateParts || dateParts.length !== 3) {
return null;
}
const [firstPart, secondPart, thirdPart] = dateParts;
if (this.localeDisplayFormat === LITTLE_ENDIAN) {
// secondPart is month && firstPart is date
return this.validateAndGetDate(thirdPart, secondPart, firstPart);
}
else if (this.localeDisplayFormat === MIDDLE_ENDIAN) {
// firstPart is month && secondPart is date
return this.validateAndGetDate(thirdPart, firstPart, secondPart);
}
else {
// secondPart is month && thirdPart is date
return this.validateAndGetDate(firstPart, secondPart, thirdPart);
}
}
validateDateRangeOptions(rangeOptions) {
const validOptions = [];
rangeOptions?.forEach((rangeOption) => {
if (rangeOption?.value?.length !== 2 ||
Object.prototype.toString.call(rangeOption?.value[0]) !== '[object Date]' ||
Object.prototype.toString.call(rangeOption?.value[1]) !== '[object Date]') {
return;
}
validOptions.push(rangeOption);
});
return validOptions;
}
initializeLocaleDisplayFormat() {
const format = this.cldrLocaleDateFormat.toLocaleLowerCase();
if (LITTLE_ENDIAN_REGEX.test(format)) {
this.localeDisplayFormat = LITTLE_ENDIAN;
}
else if (MIDDLE_ENDIAN_REGEX.test(format)) {
this.localeDisplayFormat = MIDDLE_ENDIAN;
}
else {
// everything else is set to BIG-ENDIAN FORMAT
this.localeDisplayFormat = BIG_ENDIAN;
}
this.extractDelimiters();
}
extractDelimiters() {
if (this.cldrLocaleDateFormat) {
// Sanitize Date Format. Remove RTL characters.
// FIXME: When we support RTL, remove this and handle it correctly.
const localeFormat = this.cldrLocaleDateFormat.replace(RTL_REGEX, '');
const delimiters = localeFormat.split(DELIMITER_REGEX);
// NOTE: The split from the CLDR date format should always result
// in an arary with 4 elements. The 1st and the 2nd values are the delimiters
// we will use in order.
// Eg: "dd/MM/y".split(/d+|m+|y+/i) results in ["", "/", "/", ""]
if (delimiters && delimiters.length === 4) {
this.delimiters = [delimiters[1], delimiters[2]];
}
else {
console.error('Unexpected date format received. Delimiters extracted: ', delimiters);
}
}
}
/**
* Checks if the month entered by the user is valid or not.
* Note: Month is 0 based.
*/
isValidMonth(month) {
return month > -1 && month < 12;
}
/**
* Checks if the date is valid depending on the year and month provided.
*/
isValidDate(year, month, date) {
return date > 0 && date <= getNumberOfDaysInTheMonth(year, month);
}
/**
* Validates the parameters provided and returns the date.
* If the parameters are not
* valid then return null.
* NOTE: (Month here is 1 based since the user has provided that as an input)
*/
validateAndGetDate(year, month, date) {
// I don't know whats wrong with the TS compiler. It throws an error if I write
// the below if statement. The error is:
// Operator '!==' cannot be applied to types '2' and '4'
// More info here: https://github.com/Microsoft/TypeScript/issues/12794#issuecomment-270342936
/*
if (year.length !== 2 || year.length !== 4) {
return null;
}
*/
// Instead I have to write the logic like this x-(
const y = +year;
const m = +month - 1; // month is 0 based
const d = +date;
if (!this.isValidMonth(m) || !this.isValidDate(y, m, d)) {
return null;
}
const result = parseToFourDigitYear(y);
return result !== -1 ? new Date(result, m, d) : null;
}
}
DateIOService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: DateIOService, deps: [{ token: i1.LocaleHelperService }], target: i0.ɵɵFactoryTarget.Injectable });
DateIOService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: DateIOService });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: DateIOService, decorators: [{
type: Injectable
}], ctorParameters: function () { return [{ type: i1.LocaleHelperService }]; } });
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* Copyright (c) 2016-2025 Broadcom. All Rights Reserved.\n * The term \"Broadcom\" refers to Broadcom Inc. and/or its subsidiaries.\n * This software is released under MIT license.\n * The full license information can be found in LICENSE in the root directory of this project.\n */\n\nimport { Injectable } from '@angular/core';\n\nimport { DateRange, DateRangeOption } from '../interfaces/date-range.interface';\nimport { DayModel } from '../model/day.model';\nimport {\n  BIG_ENDIAN,\n  DEFAULT_LOCALE_FORMAT,\n  DELIMITER_REGEX,\n  InputDateDisplayFormat,\n  LITTLE_ENDIAN,\n  LITTLE_ENDIAN_REGEX,\n  MIDDLE_ENDIAN,\n  MIDDLE_ENDIAN_REGEX,\n  RTL_REGEX,\n  USER_INPUT_REGEX,\n} from '../utils/constants';\nimport { getNumberOfDaysInTheMonth, parseToFourDigitYear } from '../utils/date-utils';\nimport { LocaleHelperService } from './locale-helper.service';\n\n@Injectable()\nexport class DateIOService {\n  disabledDates: DateRange = {\n    // This is the default range. It approximates the beginning of time to the end of time.\n    // Unless a minDate or maxDate is set with the native HTML5 api the range is all dates\n    // TODO: turn this into an Array of min/max ranges that allow configuration of multiple ranges.\n    minDate: new DayModel(0, 0, 1),\n    maxDate: new DayModel(9999, 11, 31),\n  };\n\n  cldrLocaleDateFormat: string = DEFAULT_LOCALE_FORMAT;\n\n  private dateRangeOptions;\n  private localeDisplayFormat: InputDateDisplayFormat = LITTLE_ENDIAN;\n  private delimiters: [string, string] = ['/', '/'];\n\n  constructor(localeHelperService: LocaleHelperService) {\n    this.cldrLocaleDateFormat = localeHelperService.localeDateFormat;\n    this.initializeLocaleDisplayFormat();\n  }\n\n  get placeholderText(): string {\n    const format: [string, string, string] = this.localeDisplayFormat.format;\n    return format[0] + this.delimiters[0] + format[1] + this.delimiters[1] + format[2];\n  }\n\n  setMinDate(date: string): void {\n    // NOTE: I'm expecting consumers to pass one of four things here:\n    //       A proper date string(2019-11-11), null, undefined or empty string ('')\n    if (!date) {\n      // attribute binding was removed, reset back to the beginning of time\n      this.disabledDates.minDate = new DayModel(0, 0, 1);\n    } else {\n      const [year, month, day] = date.split('-').map(n => parseInt(n, 10));\n      this.disabledDates.minDate = new DayModel(year, month - 1, day);\n    }\n  }\n\n  setMaxDate(date: string): void {\n    // NOTE: I'm expecting consumers to pass one of four things here:\n    //       A proper date string(2019-11-11), null, undefined or empty string ('')\n    if (!date) {\n      // attribute binding was removed, reset forward to the end of time\n      this.disabledDates.maxDate = new DayModel(9999, 11, 31);\n    } else {\n      const [year, month, day] = date.split('-').map(n => parseInt(n, 10));\n      this.disabledDates.maxDate = new DayModel(year, month - 1, day);\n    }\n  }\n\n  setRangeOptions(rangeOptions: DateRangeOption[]) {\n    const validatedRangeOption = this.validateDateRangeOptions(rangeOptions);\n    this.dateRangeOptions = validatedRangeOption || [];\n  }\n\n  getRangeOptions() {\n    return this.dateRangeOptions;\n  }\n\n  toLocaleDisplayFormatString(date: Date): string {\n    if (date) {\n      if (isNaN(date.getTime())) {\n        return '';\n      }\n      const dateNo: number = date.getDate();\n      const monthNo: number = date.getMonth() + 1;\n      const dateStr: string = dateNo > 9 ? dateNo.toString() : '0' + dateNo;\n      const monthStr: string = monthNo > 9 ? monthNo.toString() : '0' + monthNo;\n      if (this.localeDisplayFormat === LITTLE_ENDIAN) {\n        return dateStr + this.delimiters[0] + monthStr + this.delimiters[1] + date.getFullYear();\n      } else if (this.localeDisplayFormat === MIDDLE_ENDIAN) {\n        return monthStr + this.delimiters[0] + dateStr + this.delimiters[1] + date.getFullYear();\n      } else {\n        return date.getFullYear() + this.delimiters[0] + monthStr + this.delimiters[1] + dateStr;\n      }\n    }\n    return '';\n  }\n\n  getDateValueFromDateString(date: string): Date {\n    if (!date || typeof date !== 'string') {\n      return null;\n    }\n    const dateParts: string[] = date.match(USER_INPUT_REGEX);\n    if (!dateParts || dateParts.length !== 3) {\n      return null;\n    }\n    const [firstPart, secondPart, thirdPart] = dateParts;\n    if (this.localeDisplayFormat === LITTLE_ENDIAN) {\n      // secondPart is month && firstPart is date\n      return this.validateAndGetDate(thirdPart, secondPart, firstPart);\n    } else if (this.localeDisplayFormat === MIDDLE_ENDIAN) {\n      // firstPart is month && secondPart is date\n      return this.validateAndGetDate(thirdPart, firstPart, secondPart);\n    } else {\n      // secondPart is month && thirdPart is date\n      return this.validateAndGetDate(firstPart, secondPart, thirdPart);\n    }\n  }\n\n  private validateDateRangeOptions(rangeOptions: DateRangeOption[]): DateRangeOption[] {\n    const validOptions = [];\n    rangeOptions?.forEach((rangeOption: DateRangeOption) => {\n      if (\n        rangeOption?.value?.length !== 2 ||\n        Object.prototype.toString.call(rangeOption?.value[0]) !== '[object Date]' ||\n        Object.prototype.toString.call(rangeOption?.value[1]) !== '[object Date]'\n      ) {\n        return;\n      }\n      validOptions.push(rangeOption);\n    });\n    return validOptions;\n  }\n\n  private initializeLocaleDisplayFormat(): void {\n    const format: string = this.cldrLocaleDateFormat.toLocaleLowerCase();\n    if (LITTLE_ENDIAN_REGEX.test(format)) {\n      this.localeDisplayFormat = LITTLE_ENDIAN;\n    } else if (MIDDLE_ENDIAN_REGEX.test(format)) {\n      this.localeDisplayFormat = MIDDLE_ENDIAN;\n    } else {\n      // everything else is set to BIG-ENDIAN FORMAT\n      this.localeDisplayFormat = BIG_ENDIAN;\n    }\n    this.extractDelimiters();\n  }\n\n  private extractDelimiters(): void {\n    if (this.cldrLocaleDateFormat) {\n      // Sanitize Date Format. Remove RTL characters.\n      // FIXME: When we support RTL, remove this and handle it correctly.\n      const localeFormat: string = this.cldrLocaleDateFormat.replace(RTL_REGEX, '');\n      const delimiters: string[] = localeFormat.split(DELIMITER_REGEX);\n\n      // NOTE: The split from the CLDR date format should always result\n      // in an arary with 4 elements. The 1st and the 2nd values are the delimiters\n      // we will use in order.\n      // Eg: \"dd/MM/y\".split(/d+|m+|y+/i) results in [\"\", \"/\", \"/\", \"\"]\n      if (delimiters && delimiters.length === 4) {\n        this.delimiters = [delimiters[1], delimiters[2]];\n      } else {\n        console.error('Unexpected date format received. Delimiters extracted: ', delimiters);\n      }\n    }\n  }\n\n  /**\n   * Checks if the month entered by the user is valid or not.\n   * Note: Month is 0 based.\n   */\n  private isValidMonth(month: number): boolean {\n    return month > -1 && month < 12;\n  }\n\n  /**\n   * Checks if the date is valid depending on the year and month provided.\n   */\n  private isValidDate(year: number, month: number, date: number): boolean {\n    return date > 0 && date <= getNumberOfDaysInTheMonth(year, month);\n  }\n\n  /**\n   * Validates the parameters provided and returns the date.\n   * If the parameters are not\n   * valid then return null.\n   * NOTE: (Month here is 1 based since the user has provided that as an input)\n   */\n  private validateAndGetDate(year: string, month: string, date: string): Date {\n    // I don't know whats wrong with the TS compiler. It throws an error if I write\n    // the below if statement. The error is:\n    // Operator '!==' cannot be applied to types '2' and '4'\n    // More info here: https://github.com/Microsoft/TypeScript/issues/12794#issuecomment-270342936\n    /*\n        if (year.length !== 2 || year.length !== 4) {\n            return null;\n        }\n        */\n\n    // Instead I have to write the logic like this x-(\n    const y: number = +year;\n    const m: number = +month - 1; // month is 0 based\n    const d: number = +date;\n    if (!this.isValidMonth(m) || !this.isValidDate(y, m, d)) {\n      return null;\n    }\n    const result: number = parseToFourDigitYear(y);\n    return result !== -1 ? new Date(result, m, d) : null;\n  }\n}\n"]}