/
util.js
190 lines (174 loc) · 4.05 KB
/
util.js
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const formatRegExp = /%[sdj%]/g;
export let warning = () => {
};
// don't print warning message when in production env or node runtime
if (process.env.NODE_ENV !== 'production' &&
typeof window !== 'undefined' &&
typeof document !== 'undefined') {
warning = (type, errors) => {
if (typeof console !== 'undefined' && console.warn) {
if (errors.every(e => typeof e === 'string')) {
console.warn(type, errors);
}
}
};
}
export function format(...args) {
let i = 1;
const f = args[0];
const len = args.length;
if (typeof f === 'function') {
return f.apply(null, args.slice(1));
}
if (typeof f === 'string') {
let str = String(f).replace(formatRegExp, (x) => {
if (x === '%%') {
return '%';
}
if (i >= len) {
return x;
}
switch (x) {
case '%s':
return String(args[i++]);
case '%d':
return Number(args[i++]);
case '%j':
try {
return JSON.stringify(args[i++]);
} catch (_) {
return '[Circular]';
}
break;
default:
return x;
}
});
for (let arg = args[i]; i < len; arg = args[++i]) {
str += ` ${arg}`;
}
return str;
}
return f;
}
function isNativeStringType(type) {
return type === 'string' ||
type === 'url' ||
type === 'hex' ||
type === 'email' ||
type === 'pattern';
}
export function isEmptyValue(value, type) {
if (value === undefined || value === null) {
return true;
}
if (type === 'array' && Array.isArray(value) && !value.length) {
return true;
}
if (isNativeStringType(type) && typeof value === 'string' && !value) {
return true;
}
return false;
}
export function isEmptyObject(obj) {
return Object.keys(obj).length === 0;
}
function asyncParallelArray(arr, func, callback) {
const results = [];
let total = 0;
const arrLength = arr.length;
function count(errors) {
results.push.apply(results, errors);
total++;
if (total === arrLength) {
callback(results);
}
}
arr.forEach((a) => {
func(a, count);
});
}
function asyncSerialArray(arr, func, callback) {
let index = 0;
const arrLength = arr.length;
function next(errors) {
if (errors && errors.length) {
callback(errors);
return;
}
const original = index;
index = index + 1;
if (original < arrLength) {
func(arr[original], next);
} else {
callback([]);
}
}
next([]);
}
function flattenObjArr(objArr) {
const ret = [];
Object.keys(objArr).forEach((k) => {
ret.push.apply(ret, objArr[k]);
});
return ret;
}
export function asyncMap(objArr, option, func, callback) {
if (option.first) {
const flattenArr = flattenObjArr(objArr);
return asyncSerialArray(flattenArr, func, callback);
}
let firstFields = option.firstFields || [];
if (firstFields === true) {
firstFields = Object.keys(objArr);
}
const objArrKeys = Object.keys(objArr);
const objArrLength = objArrKeys.length;
let total = 0;
const results = [];
const next = (errors) => {
results.push.apply(results, errors);
total++;
if (total === objArrLength) {
callback(results);
}
};
objArrKeys.forEach((key) => {
const arr = objArr[key];
if (firstFields.indexOf(key) !== -1) {
asyncSerialArray(arr, func, next);
} else {
asyncParallelArray(arr, func, next);
}
});
}
export function complementError(rule) {
return (oe) => {
if (oe && oe.message) {
oe.field = oe.field || rule.fullField;
return oe;
}
return {
message: oe,
field: oe.field || rule.fullField,
};
};
}
export function deepMerge(target, source) {
if (source) {
for (const s in source) {
if (source.hasOwnProperty(s)) {
const value = source[s];
if (typeof value === 'object' && typeof target[s] === 'object') {
target[s] = {
...target[s],
...value,
};
} else {
target[s] = value;
}
}
}
}
return target;
}