@dnb/eufemia/cjs/components/input-masked/text-mask/createTextMaskInputElement.js

DNB Eufemia Design System UI Library

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = createTextMaskInputElement;
exports.safeSetSelection = safeSetSelection;
var _adjustCaretPosition = _interopRequireDefault(require("./adjustCaretPosition.js"));
var _conformToMask = _interopRequireDefault(require("./conformToMask.js"));
var _utilities = require("./utilities.js");
var _constants = require("./constants.js");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
const emptyString = '';
const strObject = 'object';
const isAndroid = typeof navigator !== 'undefined' && /Android/i.test(navigator.userAgent);
const defer = typeof requestAnimationFrame !== 'undefined' ? cb => {
  requestAnimationFrame(cb);
} : cb => {
  setTimeout(cb, 0);
};
function createTextMaskInputElement(config) {
  const state = {
    previousConformedValue: undefined,
    previousPlaceholder: undefined
  };
  return {
    state,
    update(rawValue, {
      inputElement,
      mask: providedMask,
      guide,
      pipe,
      placeholderChar = _constants.placeholderChar,
      keepCharPositions = false,
      showMask = false
    } = config) {
      if (typeof rawValue === 'undefined') {
        rawValue = inputElement.value;
      }
      if (rawValue === state.previousConformedValue) {
        return;
      }
      const hasMask = obj => !!obj && typeof obj === 'object' && 'mask' in obj;
      const provided = (() => {
        if (providedMask && typeof providedMask === strObject && hasMask(providedMask)) {
          const obj = providedMask;
          pipe = obj.pipe;
          return obj.mask;
        }
        return providedMask;
      })();
      let placeholder;
      let mask;
      if (provided instanceof Array) {
        placeholder = (0, _utilities.convertMaskToPlaceholder)(provided, placeholderChar);
      }
      if (provided === false) {
        return;
      }
      const safeRawValue = getSafeRawValue(rawValue);
      const currentCaretPosition = inputElement === null || inputElement === void 0 ? void 0 : inputElement.selectionEnd;
      const {
        previousConformedValue,
        previousPlaceholder
      } = state;
      let caretTrapIndexes;
      if (typeof provided === _constants.strFunction) {
        mask = provided(safeRawValue, {
          currentCaretPosition,
          previousConformedValue,
          placeholderChar
        });
        if (mask === false) {
          return;
        }
        const {
          maskWithoutCaretTraps,
          indexes
        } = (0, _utilities.processCaretTraps)(mask);
        mask = maskWithoutCaretTraps;
        caretTrapIndexes = indexes;
        placeholder = (0, _utilities.convertMaskToPlaceholder)(mask, placeholderChar);
      } else {
        mask = provided;
      }
      const conformToMaskConfig = {
        previousConformedValue,
        guide,
        placeholderChar,
        placeholder,
        currentCaretPosition,
        keepCharPositions
      };
      const {
        conformedValue
      } = (0, _conformToMask.default)(safeRawValue, mask, conformToMaskConfig);
      const piped = typeof pipe === _constants.strFunction;
      let pipeResults = {
        value: conformedValue
      };
      if (piped) {
        pipeResults = pipe(conformedValue, {
          rawValue: safeRawValue,
          ...conformToMaskConfig
        });
        if (pipeResults === false) {
          pipeResults = {
            value: previousConformedValue,
            rejected: true
          };
        } else if ((0, _utilities.isString)(pipeResults)) {
          pipeResults = {
            value: pipeResults
          };
        }
      }
      const finalConformedValue = piped ? pipeResults.value : conformedValue;
      const adjustedCaretPosition = (0, _adjustCaretPosition.default)({
        previousConformedValue,
        previousPlaceholder,
        conformedValue: finalConformedValue,
        placeholder,
        rawValue: safeRawValue,
        currentCaretPosition,
        placeholderChar,
        indexesOfPipedChars: pipeResults.indexesOfPipedChars,
        caretTrapIndexes,
        keepCharPositions
      });
      const inputValueShouldBeEmpty = finalConformedValue === placeholder && adjustedCaretPosition === 0;
      const emptyValue = showMask ? placeholder : emptyString;
      const inputElementValue = inputValueShouldBeEmpty ? emptyValue : finalConformedValue;
      state.previousConformedValue = inputElementValue;
      state.previousPlaceholder = placeholder;
      if (inputElement.value === inputElementValue) {
        return;
      }
      inputElement.value = inputElementValue;
      safeSetSelection(inputElement, adjustedCaretPosition);
    }
  };
}
function safeSetSelection(element, selectionPosition) {
  var _element$setSelection;
  if (document.activeElement === element || (element === null || element === void 0 || (_element$setSelection = element.setSelectionRange) === null || _element$setSelection === void 0 ? void 0 : _element$setSelection.name) === 'mockConstructor') {
    const select = () => {
      try {
        element.setSelectionRange(selectionPosition, selectionPosition);
      } catch (error) {}
    };
    if (isAndroid) {
      defer(select);
    } else {
      select();
    }
  }
}
function getSafeRawValue(inputValue) {
  if ((0, _utilities.isString)(inputValue)) {
    return inputValue;
  } else if ((0, _utilities.isNumber)(inputValue)) {
    return String(inputValue);
  } else if (inputValue === undefined || inputValue === null) {
    return emptyString;
  } else {
    throw new Error("The 'value' provided to Text Mask needs to be a string or a number. The value " + `received was:\n\n ${JSON.stringify(inputValue)}`);
  }
}
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