cmms/frontend/node_modules/vuetify/lib/composables/mask.js

// Utilities
import { computed, shallowRef } from 'vue';
import { isObject, propsFactory } from "../util/index.js"; // Types
export const makeMaskProps = propsFactory({
  mask: [String, Object],
  returnMaskedValue: Boolean
}, 'mask');
export const defaultDelimiters = /[-!$%^&*()_+|~=`{}[\]:";'<>?,./\\ ]/;
const presets = {
  'credit-card': '#### - #### - #### - ####',
  date: '##/##/####',
  'date-time': '##/##/#### ##:##',
  'iso-date': '####-##-##',
  'iso-date-time': '####-##-## ##:##',
  phone: '(###) ### - ####',
  social: '###-##-####',
  time: '##:##',
  'time-with-seconds': '##:##:##'
};
export function isMaskDelimiter(char) {
  return char ? defaultDelimiters.test(char) : false;
}
const defaultTokens = {
  '#': {
    pattern: /[0-9]/
  },
  A: {
    pattern: /[A-Z]/i,
    convert: v => v.toUpperCase()
  },
  a: {
    pattern: /[a-z]/i,
    convert: v => v.toLowerCase()
  },
  N: {
    pattern: /[0-9A-Z]/i,
    convert: v => v.toUpperCase()
  },
  n: {
    pattern: /[0-9a-z]/i,
    convert: v => v.toLowerCase()
  },
  X: {
    pattern: defaultDelimiters
  }
};
export function useMask(props, inputRef) {
  const mask = computed(() => {
    if (typeof props.mask === 'string') {
      if (props.mask in presets) return presets[props.mask];
      return props.mask;
    }
    return props.mask?.mask ?? '';
  });
  const tokens = computed(() => {
    return {
      ...defaultTokens,
      ...(isObject(props.mask) ? props.mask.tokens : null)
    };
  });
  const selection = shallowRef(0);
  const lazySelection = shallowRef(0);
  function isMask(char) {
    return char in tokens.value;
  }
  function maskValidates(mask, char) {
    if (char == null || !isMask(mask)) return false;
    const item = tokens.value[mask];
    if (item.pattern) return item.pattern.test(char);
    return item.test(char);
  }
  function convert(mask, char) {
    const item = tokens.value[mask];
    return item.convert ? item.convert(char) : char;
  }
  function maskText(text) {
    const trimmedText = text?.trim().replace(/\s+/g, ' ');
    if (trimmedText == null) return '';
    if (!mask.value.length || !trimmedText.length) return trimmedText;
    let textIndex = 0;
    let maskIndex = 0;
    let newText = '';
    while (maskIndex < mask.value.length) {
      const mchar = mask.value[maskIndex];
      const tchar = trimmedText[textIndex];

      // Escaped character in mask, the next mask character is inserted
      if (mchar === '\\') {
        newText += mask.value[maskIndex + 1];
        maskIndex += 2;
        continue;
      }
      if (!isMask(mchar)) {
        newText += mchar;
        if (tchar === mchar) {
          textIndex++;
        }
      } else if (maskValidates(mchar, tchar)) {
        newText += convert(mchar, tchar);
        textIndex++;
      } else {
        break;
      }
      maskIndex++;
    }
    return newText;
  }
  function unmaskText(text) {
    if (text == null) return null;
    if (!mask.value.length || !text.length) return text;
    let textIndex = 0;
    let maskIndex = 0;
    let newText = '';
    while (true) {
      const mchar = mask.value[maskIndex];
      const tchar = text[textIndex];
      if (tchar == null) break;
      if (mchar == null) {
        newText += tchar;
        textIndex++;
        continue;
      }

      // Escaped character in mask, skip the next input character
      if (mchar === '\\') {
        if (tchar === mask.value[maskIndex + 1]) {
          textIndex++;
        }
        maskIndex += 2;
        continue;
      }
      if (maskValidates(mchar, tchar)) {
        // masked char
        newText += tchar;
        textIndex++;
        maskIndex++;
        continue;
      } else if (mchar !== tchar) {
        // input doesn't match mask, skip forward until it does
        while (true) {
          const mchar = mask.value[maskIndex++];
          if (mchar == null || maskValidates(mchar, tchar)) break;
        }
        continue;
      }
      textIndex++;
      maskIndex++;
    }
    return newText;
  }
  function setCaretPosition(newSelection) {
    selection.value = newSelection;
    inputRef.value && inputRef.value.setSelectionRange(selection.value, selection.value);
  }
  function resetSelections() {
    if (!inputRef.value?.selectionEnd) return;
    selection.value = inputRef.value.selectionEnd;
    lazySelection.value = 0;
    for (let index = 0; index < selection.value; index++) {
      isMaskDelimiter(inputRef.value.value[index]) || lazySelection.value++;
    }
  }
  function updateRange() {
    if (!inputRef.value) return;
    resetSelections();
    let selection = 0;
    const newValue = inputRef.value.value;
    if (newValue) {
      for (let index = 0; index < newValue.length; index++) {
        if (lazySelection.value <= 0) break;
        isMaskDelimiter(newValue[index]) || lazySelection.value--;
        selection++;
      }
    }
    setCaretPosition(selection);
  }
  return {
    updateRange,
    maskText,
    unmaskText
  };
}
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