zhgkpt-datav/utils/index.js

import request from './request'
export function withInstall(component) {
  component.install = function (app) {
    app.component(component.name, component);
  };
  return component;
}

export function WithInstallOfGlobalMethod(globalName, method) {
  method.install = function (app) {
    app.prototype[globalName] = method;
  };
  return method;
}
export {
  request
}


export function calcPercent(bn, tq) {
  if (bn - tq === 0) {
    return '-'
  }
  if (tq === 0) {
    return '-'
  }
  return `${(parseInt((Math.abs(bn - tq) / tq).toFixed(2) * 100 ))}%`
}


export function getState(bn, tq) {
  if(tq === 0) {
    return 0;
  }
  if (bn -tq > 0) {
    return 1;
  } else if (bn - tq < 0){
    return -1;
  } else {
    return 0;
  }
}


export const throttle = (func, wait = 1000, type = 1) => {
	let previous = 0;
	let timeout;
	return function () {
		let context = this;
		let args = arguments;
		if (type === 1) {
			let now = Date.now();

			if (now - previous > wait) {
				func.apply(context, args);
				previous = now;
			}
		} else if (type === 2) {
			if (!timeout) {
				timeout = setTimeout(() => {
					timeout = null;
					func.apply(context, args)
				}, wait)
			}
		}
	}
}