src/utils/utils.js

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { parse, stringify } from "qs";

export function fixedZero(val) {
  return val * 1 < 10 ? `0${val}` : val;
}

export function getPlainNode(nodeList, parentPath = "") {
  const arr = [];
  nodeList.forEach(node => {
    const item = node;
    item.path = `${parentPath}/${item.path || ""}`.replace(/\/+/g, "/");
    item.exact = true;
    if (item.children && !item.component) {
      arr.push(...getPlainNode(item.children, item.path));
    } else {
      if (item.children && item.component) {
        item.exact = false;
      }
      arr.push(item);
    }
  });
  return arr;
}

function accMul(arg1, arg2) {
  let m = 0;
  const s1 = arg1.toString();
  const s2 = arg2.toString();
  m += s1.split(".").length > 1 ? s1.split(".")[1].length : 0;
  m += s2.split(".").length > 1 ? s2.split(".")[1].length : 0;
  return (Number(s1.replace(".", "")) * Number(s2.replace(".", ""))) / 10 ** m;
}

export function digitUppercase(n) {
  const fraction = ["角", "分"];
  const digit = ["零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"];
  const unit = [["元", "万", "亿"], ["", "拾", "佰", "仟", "万"]];
  let num = Math.abs(n);
  let s = "";
  fraction.forEach((item, index) => {
    s += (digit[Math.floor(accMul(num, 10 * 10 ** index)) % 10] + item).replace(
      /零./,
      ""
    );
  });
  s = s || "整";
  num = Math.floor(num);
  for (let i = 0; i < unit[0].length && num > 0; i += 1) {
    let p = "";
    for (let j = 0; j < unit[1].length && num > 0; j += 1) {
      p = digit[num % 10] + unit[1][j] + p;
      num = Math.floor(num / 10);
    }
    s = p.replace(/(零.)*零$/, "").replace(/^$/, "零") + unit[0][i] + s;
  }

  return s
    .replace(/(零.)*零元/, "元")
    .replace(/(零.)+/g, "零")
    .replace(/^整$/, "零元整");
}

function getRelation(str1, str2) {
  if (str1 === str2) {
    console.warn("Two path are equal!"); // eslint-disable-line
  }
  const arr1 = str1.split("/");
  const arr2 = str2.split("/");
  if (arr2.every((item, index) => item === arr1[index])) {
    return 1;
  } else if (arr1.every((item, index) => item === arr2[index])) {
    return 2;
  }
  return 3;
}

function getRenderArr(routes) {
  let renderArr = [];
  renderArr.push(routes[0]);
  for (let i = 1; i < routes.length; i += 1) {
    // 去重
    renderArr = renderArr.filter(item => getRelation(item, routes[i]) !== 1);
    // 是否包含
    const isAdd = renderArr.every(item => getRelation(item, routes[i]) === 3);
    if (isAdd) {
      renderArr.push(routes[i]);
    }
  }
  return renderArr;
}

/**
 * Get router routing configuration
 * { path:{name,...param}}=>Array<{name,path ...param}>
 * @param {string} path
 * @param {routerData} routerData
 */
export function getRoutes(path, routerData) {
  let routes = Object.keys(routerData).filter(
    routePath => routePath.indexOf(path) === 0 && routePath !== path
  );
  // Replace path to '' eg. path='user' /user/name => name
  routes = routes.map(item => item.replace(path, ""));
  // Get the route to be rendered to remove the deep rendering
  const renderArr = getRenderArr(routes);
  // Conversion and stitching parameters
  const renderRoutes = renderArr.map(item => {
    const exact = !routes.some(
      route => route !== item && getRelation(route, item) === 1
    );
    return {
      exact,
      ...routerData[`${path}${item}`],
      key: `${path}${item}`,
      path: `${path}${item}`
    };
  });
  return renderRoutes;
}

export function getPageQuery() {
  return parse(window.location.href.split("?")[1]);
}

export function getQueryPath(path = "", query = {}) {
  const search = stringify(query);
  if (search.length) {
    return `${path}?${search}`;
  }
  return path;
}

/* eslint no-useless-escape:0 */
const reg = /(((^https?:(?:\/\/)?)(?:[-;:&=\+\$,\w]+@)?[A-Za-z0-9.-]+(?::\d+)?|(?:www.|[-;:&=\+\$,\w]+@)[A-Za-z0-9.-]+)((?:\/[\+~%\/.\w-_]*)?\??(?:[-\+=&;%@.\w_]*)#?(?:[\w]*))?)$/;

export function isUrl(path) {
  return reg.test(path);
}

/**
 * traverse tree and exec func by every tree node
 *
 * @param {object} treeNode
 * @param {function} func
 * @param {string} tree children attribute
 */
export function filterTree(
  treeNode,
  func = () => {},
  treeChildrenAtrr = "children"
) {
  func(treeNode);
  if (treeNode[treeChildrenAtrr] && treeNode[treeChildrenAtrr].length > 0) {
    treeNode[treeChildrenAtrr].forEach(e => {
      filterTree(e, func);
    });
  }
}

export function titleCase(str) {
  return str.toLowerCase().replace(/( |^)[a-z]/g, L => L.toUpperCase());
}

export function guid() {
  function S4() {
    return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1);
  }
  return `${S4() + S4()}-${S4()}-${S4()}-${S4()}-${S4()}${S4()}${S4()}`;
}