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utils.js
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69 lines (62 loc) · 1.19 KB
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// @flow
/**
* Utils for utils, by utils
* @module utils/utils
*/
/**
* @memberof utils/utils
* @static
*/
function handleError(err: any) {
console.log("ERROR: ", err);
}
/**
* @memberof utils/utils
* @static
*/
function promisify(context: any, method: any, ...args: any) {
return new Promise((resolve, reject) => {
args.push(response => {
if (response.error) {
reject(response);
} else {
resolve(response);
}
});
method.apply(context, args);
});
}
/**
* @memberof utils/utils
* @static
*/
function endTruncateStr(str: any, size: number) {
if (str.length > size) {
return `...${str.slice(str.length - size)}`;
}
return str;
}
/**
* @memberof utils/utils
* @static
*/
/**
* @memberof utils/utils
* @static
*/
function throttle(func: any, ms: number) {
let timeout, _this;
return function(...args: any) {
_this = this;
if (!timeout) {
timeout = setTimeout(() => {
func.apply(_this, ...args);
timeout = null;
}, ms);
}
};
}
function waitForMs(ms: number) {
return new Promise(resolve => setTimeout(resolve, ms));
}
export { handleError, promisify, endTruncateStr, throttle, waitForMs };