ckgl/node_modules/vant/es/field/utils.mjs
2024-12-21 13:52:42 +08:00

104 lines
2.2 KiB
JavaScript

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, inputmode) {
if (type === "number") {
type = "text";
inputmode != null ? inputmode : inputmode = "decimal";
}
if (type === "digit") {
type = "tel";
inputmode != null ? inputmode : inputmode = "numeric";
}
return { type, inputmode };
}
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
};