@energma/input-mask-react/dist/input-mask-react.es.js

A React component for input mask with dynamic formatting. No dependencies.

import { jsx as S } from "react/jsx-runtime";
import { forwardRef as R, useRef as A, useState as F, useMemo as I } from "react";
const P = (t, p) => {
  const a = [];
  for (let f = 0; f < t.length; f++)
    t[f] !== p && a.push(f);
  return a;
}, b = (t, p) => {
  switch (p) {
    case "numbers":
      return /\d/.test(t);
    case "letters":
      return /[a-zA-Z]/.test(t);
    case "mixed":
    default:
      return /[a-zA-Z0-9]/.test(t);
  }
}, V = (t, p, a, f) => {
  let g = "", c = 0;
  for (let s = 0; s < p.length; s++)
    a.includes(s) ? g += p[s] : c < t.length ? (g += t[c], c++) : g += f;
  return g;
}, M = (t, p, a) => {
  let f = 0, g = 0;
  for (let c = 0; c < p.length; c++)
    if (a.includes(c))
      f++;
    else if (g < t.length)
      g++, f++;
    else
      break;
  return f;
}, Z = R(
  ({ schema: t, value: p = "", onChange: a, placeholder: f, ...g }, c) => {
    const s = A(null), [u, k] = F(p), [B, x] = F(!1), m = I(
      () => P(t.mask, t.symbol),
      [t.mask]
    ), D = (e = t.mask, n = 0) => {
      if (!t.mask) return { formatted: "", newCursorPos: 0 };
      let i = e.split(""), r = n;
      const o = e[n - 1] || "";
      if (n > t.mask.length || n < 0)
        return {
          formatted: e.slice(0, t.mask.length),
          newCursorPos: n
        };
      if (n >= 0 && !b(o, t.type))
        return {
          formatted: u,
          newCursorPos: n - 1
        };
      for (let l = 0; l <= n; l++)
        if (m.includes(r - 1)) {
          const d = i[r - 1];
          i[r - 1] = t.mask[r - 1], i[r] = d;
        } else
          i[l] = e[l], n == m.filter((d) => d == n)[0] && r++;
      for (let l = n; l <= t.mask.length; l++)
        u[l] && u[l] !== t.symbol ? i[l] = u[l] : i[l] = t.mask[l];
      return {
        formatted: i.join(""),
        newCursorPos: r
      };
    };
    return /* @__PURE__ */ S(
      "input",
      {
        ...g,
        ref: (e) => {
          typeof c == "function" ? c(e) : c && (c.current = e), s.current = e;
        },
        value: u,
        onChange: (e) => {
          e.stopPropagation(), e.preventDefault();
          const n = e.target, i = e.nativeEvent, r = n.value, o = n.selectionStart || 0, l = i.inputType === "insertFromPaste";
          let d, v;
          if (l) {
            const y = Array.from(r).filter((w) => b(w, t.type)).join("");
            d = V(
              y,
              t.mask,
              m,
              t.symbol
            ), k(d), a == null || a({
              ...e,
              target: { ...e.target, value: d }
            }), v = M(
              y,
              t.mask,
              m
            ), requestAnimationFrame(() => {
              s.current && s.current.setSelectionRange(v, v);
            });
          } else {
            const { formatted: y, newCursorPos: w } = D(
              r,
              o
            );
            k(y), a == null || a({
              ...e,
              target: { ...e.target, value: y }
            }), requestAnimationFrame(() => {
              s.current && s.current.setSelectionRange(w, w);
            });
          }
        },
        onKeyDown: (e) => {
          var i, r;
          const n = ((i = s.current) == null ? void 0 : i.selectionStart) ?? 0;
          if (e.ctrlKey && e.key === "a") {
            if (e.preventDefault(), s.current) {
              const o = u.length;
              s.current.setSelectionRange(0, o);
            }
            return;
          }
          if (e.key === "Backspace" && n === 0 && ((r = s.current) == null ? void 0 : r.selectionEnd) === u.length) {
            e.preventDefault(), k("");
            return;
          }
          if (e.key === "Backspace" && (e.preventDefault(), n > 0)) {
            let o = n - 1;
            for (; o > 0 && m.includes(o); )
              o--;
            const l = u.substring(0, o) + t.mask[o] + u.substring(o + 1);
            k(l), requestAnimationFrame(() => {
              var d;
              (d = s.current) == null || d.setSelectionRange(o, o);
            });
          }
        },
        onKeyUp: () => {
        },
        onFocus: (e) => {
          e.stopPropagation(), e.preventDefault(), x(!0);
          let n = -1;
          const i = u.length;
          for (let r = 0; r < t.mask.length; r++)
            if (t.mask[r] === t.symbol && (!u[r] || u[r] === t.symbol)) {
              n = r;
              break;
            }
          requestAnimationFrame(() => {
            s.current && n !== -1 ? s.current.setSelectionRange(
              n,
              n
            ) : s.current.setSelectionRange(i, i);
          });
        },
        onBlur: (e) => {
          e.stopPropagation(), e.preventDefault(), x(!1), u === t.mask && k("");
        },
        placeholder: f
      }
    );
  }
);
export {
  Z as MaskedInput
};