jtBaseApp/node_modules/vant/es/field/utils.mjs

import {
  isObject,
  isPromise,
  isFunction,
  getRootScrollTop,
  setRootScrollTop
} from "../utils/index.mjs";
function isEmptyValue(value) {
  if (Array.isArray(value)) {
    return !value.length;
  }
  if (value === 0) {
    return false;
  }
  return !value;
}
function runSyncRule(value, rule) {
  if (isEmptyValue(value)) {
    if (rule.required) {
      return false;
    }
    if (rule.validateEmpty === false) {
      return true;
    }
  }
  if (rule.pattern && !rule.pattern.test(String(value))) {
    return false;
  }
  return true;
}
function runRuleValidator(value, rule) {
  return new Promise((resolve) => {
    const returnVal = rule.validator(value, rule);
    if (isPromise(returnVal)) {
      returnVal.then(resolve);
      return;
    }
    resolve(returnVal);
  });
}
function getRuleMessage(value, rule) {
  const { message } = rule;
  if (isFunction(message)) {
    return message(value, rule);
  }
  return message || "";
}
function startComposing({ target }) {
  target.composing = true;
}
function endComposing({ target }) {
  if (target.composing) {
    target.composing = false;
    target.dispatchEvent(new Event("input"));
  }
}
function resizeTextarea(input, autosize) {
  const scrollTop = getRootScrollTop();
  input.style.height = "auto";
  let height = input.scrollHeight;
  if (isObject(autosize)) {
    const { maxHeight, minHeight } = autosize;
    if (maxHeight !== void 0) {
      height = Math.min(height, maxHeight);
    }
    if (minHeight !== void 0) {
      height = Math.max(height, minHeight);
    }
  }
  if (height) {
    input.style.height = `${height}px`;
    setRootScrollTop(scrollTop);
  }
}
function mapInputType(type) {
  if (type === "number") {
    return {
      type: "text",
      inputmode: "decimal"
    };
  }
  if (type === "digit") {
    return {
      type: "tel",
      inputmode: "numeric"
    };
  }
  return { type };
}
function getStringLength(str) {
  return [...str].length;
}
function cutString(str, maxlength) {
  return [...str].slice(0, maxlength).join("");
}
export {
  cutString,
  endComposing,
  getRuleMessage,
  getStringLength,
  isEmptyValue,
  mapInputType,
  resizeTextarea,
  runRuleValidator,
  runSyncRule,
  startComposing
};