ant-design-vue/components/form-model/utils.js

105 lines
2.5 KiB
JavaScript

export function getValueFromEvent(e) {
// To support custom element
if (!e || !e.target) {
return e;
}
const { target } = e;
return target.type === 'checkbox' ? target.checked : target.value;
}
export function getErrorStrs(errors) {
if (errors) {
return errors.map(e => {
if (e && e.message) {
return e.message;
}
return e;
});
}
return errors;
}
export function getParams(ns, opt, cb) {
let names = ns;
let options = opt;
let callback = cb;
if (typeof names === 'string') {
names = [names];
}
if (cb === undefined) {
if (typeof names === 'function') {
callback = names;
options = {};
names = undefined;
} else if (Array.isArray(names)) {
if (typeof options === 'function') {
callback = options;
options = {};
} else {
options = options || {};
}
} else {
callback = options;
options = names || {};
names = undefined;
}
}
return {
names,
options,
callback,
};
}
export function hasRules(validate) {
if (validate) {
return validate.some(item => {
return item.rules && item.rules.length;
});
}
return false;
}
export function computedStyle(el, prop) {
const getComputedStyle = window.getComputedStyle;
const style =
// If we have getComputedStyle
getComputedStyle
? // Query it
// TODO: From CSS-Query notes, we might need (node, null) for FF
getComputedStyle(el)
: // Otherwise, we are in IE and use currentStyle
el.currentStyle;
if (style) {
return style[
// Switch to camelCase for CSSOM
// DEV: Grabbed from jQuery
// https://github.com/jquery/jquery/blob/1.9-stable/src/css.js#L191-L194
// https://github.com/jquery/jquery/blob/1.9-stable/src/core.js#L593-L597
prop.replace(/-(\w)/gi, (word, letter) => {
return letter.toUpperCase();
})
];
}
return undefined;
}
export function getScrollableContainer(n) {
let node = n;
let nodeName;
/* eslint no-cond-assign:0 */
while ((nodeName = node.nodeName.toLowerCase()) !== 'body') {
const overflowY = computedStyle(node, 'overflowY');
// https://stackoverflow.com/a/36900407/3040605
if (
node !== n &&
(overflowY === 'auto' || overflowY === 'scroll') &&
node.scrollHeight > node.clientHeight
) {
return node;
}
node = node.parentNode;
}
return nodeName === 'body' ? node.ownerDocument : node;
}