@opensig/opendesign/lib/_utils/helper.js

<p align="center"><img src="../docs/public/opendesign-logo-light.png"/></p> <h1 align="center">opendesign</h1> <p align="center">一个 Vue 3 组件库</p> <p align="center"><b>皮肤可定制，使用 TypeScript</b></p>

"use strict";
var __defProp = Object.defineProperty;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __publicField = (obj, key, value) => __defNormalProp(obj, typeof key !== "symbol" ? key + "" : key, value);
Object.defineProperty(exports, Symbol.toStringTag, { value: "Module" });
const is = require("./is.js");
function debounce(fn, wait = 0, runFirst = true) {
  let handler = 0;
  return (...args) => {
    if (runFirst) {
      if (handler === 0) {
        fn(...args);
      }
    }
    clearTimeout(handler);
    handler = window.setTimeout(() => {
      if (!runFirst) {
        fn(...args);
      }
      handler = 0;
    }, wait);
  };
}
function debounceRAF(fn) {
  let handle = 0;
  const rlt = (...args) => {
    if (handle) {
      cancelAnimationFrame(handle);
    }
    handle = requestAnimationFrame(() => {
      fn(...args);
      handle = 0;
    });
  };
  rlt.cancel = () => {
    cancelAnimationFrame(handle);
    handle = 0;
  };
  return rlt;
}
function throttleRAF(fn) {
  let handle = 0;
  const rlt = (...args) => {
    if (handle) {
      return;
    }
    handle = requestAnimationFrame(() => {
      fn(...args);
      handle = 0;
    });
  };
  rlt.cancel = () => {
    cancelAnimationFrame(handle);
    handle = 0;
  };
  return rlt;
}
class ColorPool {
  constructor(pool) {
    __publicField(this, "pool");
    __publicField(this, "tmpPool");
    this.pool = pool;
    this.tmpPool = [...pool];
  }
  /**
   * 返回指定位置颜色，或者从颜色池随机返回一个颜色
   * @param index
   * @returns
   */
  pick(index) {
    if (index !== void 0) {
      return this.pool[index % this.pool.length];
    }
    const { length } = this.tmpPool;
    if (length === 0) {
      this.tmpPool = [...this.pool];
    }
    const idx = Math.floor(Math.random() * length);
    const color = this.tmpPool[idx];
    this.tmpPool.splice(idx, 1);
    return color;
  }
}
function uniqueId(prefix = "", length = 8) {
  const gen = (len) => {
    if (len <= 11) {
      return Math.random().toString(36).slice(2, 2 + len).padEnd(len, "0");
    } else {
      return gen(11) + gen(len - 11);
    }
  };
  return prefix ? `${prefix}-${gen(length)}` : gen(length);
}
function chunk(arr = [], size = 1) {
  return Array.from(
    {
      length: Math.ceil(arr.length / size)
    },
    (_v, i) => arr.slice(i * size, i * size + size)
  );
}
async function asyncSome(array, judgeFn) {
  for (const iterator of array) {
    try {
      if (await judgeFn(iterator)) {
        return true;
      }
    } catch (error) {
      return false;
    }
  }
  return false;
}
function getValueByPath(obj, path) {
  if (!obj || !path) {
    return;
  }
  const keys = path.split(".");
  if (keys.length === 0) {
    return;
  }
  let temp = obj;
  for (let i = 0; i < keys.length; i++) {
    if (!is.isObject(temp)) {
      return;
    }
    temp = temp[keys[i]];
    if (i === keys.length - 1) {
      return temp;
    }
  }
}
function setValueByPath(obj, path, value) {
  if (!obj || !path) {
    return;
  }
  const keys = path.split(".");
  if (keys.length === 0) {
    return;
  }
  let temp = obj;
  for (let i = 0; i < keys.length; i++) {
    if (!is.isObject(temp)) {
      throw new TypeError(`Cannot set properties of non-object (setting '${keys[i]}')!`);
    }
    const k = keys[i];
    if (i === keys.length - 1) {
      temp[k] = value;
    } else {
      if (is.isUndefined(temp[k])) {
        temp[k] = Number(keys[i + 1]) ? [] : {};
      }
      temp = temp[k];
    }
  }
}
function moveToFirst(arr, item) {
  const idx = arr.indexOf(item);
  if (idx > 0) {
    const tmp = [...arr];
    tmp.splice(idx, 1);
    tmp.unshift(item);
    return tmp;
  }
  return arr;
}
function formateToString(val) {
  if (is.isUndefined(val) || is.isNull(val) || typeof val === "number" && isNaN(val) || is.isPlainObject(val)) {
    return "";
  }
  return String(val);
}
function requestImage(src) {
  return new Promise((resolve, reject) => {
    const onImgLoaded = () => {
      resolve(src);
    };
    const onImgError = (e) => {
      reject(e);
    };
    const img = new Image();
    img.onload = onImgLoaded;
    img.onerror = onImgError;
    img.src = src;
  });
}
function pick(source, keys) {
  const result = {};
  keys.forEach((key) => {
    if (key in source) {
      result[key] = source[key];
    }
  });
  return result;
}
function performTask(tasks, sheduler) {
  let runingIndex = 0;
  function _runTask() {
    sheduler((toContinue) => {
      while (runingIndex < tasks.length && toContinue(runingIndex)) {
        tasks[runingIndex++]();
      }
      if (runingIndex < tasks.length) {
        _runTask();
      }
    });
  }
  _runTask();
}
function idlePerformTask(tasks) {
  const sheduler = (runChunk) => {
    requestIdleCallback((idle) => {
      runChunk(() => idle.timeRemaining() > 0);
    });
  };
  performTask(tasks, sheduler);
}
exports.ColorPool = ColorPool;
exports.asyncSome = asyncSome;
exports.chunk = chunk;
exports.debounce = debounce;
exports.debounceRAF = debounceRAF;
exports.formateToString = formateToString;
exports.getValueByPath = getValueByPath;
exports.idlePerformTask = idlePerformTask;
exports.moveToFirst = moveToFirst;
exports.performTask = performTask;
exports.pick = pick;
exports.requestImage = requestImage;
exports.setValueByPath = setValueByPath;
exports.throttleRAF = throttleRAF;
exports.uniqueId = uniqueId;