empty master

src/utils/assist.js

@@ -1,168 +0,0 @@
-// 判断参数是否是其中之一
-export function oneOf (value, validList) {
-    for (let i = 0; i < validList.length; i++) {
-        if (value === validList[i]) {
-            return true;
-        }
-    }
-    return false;
-}
-
-export function camelcaseToHyphen (str) {
-    return str.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase();
-}
-
-// For Modal scrollBar hidden
-let cached;
-export function getScrollBarSize (fresh) {
-    if (fresh || cached === undefined) {
-        const inner = document.createElement('div');
-        inner.style.width = '100%';
-        inner.style.height = '200px';
-
-        const outer = document.createElement('div');
-        const outerStyle = outer.style;
-
-        outerStyle.position = 'absolute';
-        outerStyle.top = 0;
-        outerStyle.left = 0;
-        outerStyle.pointerEvents = 'none';
-        outerStyle.visibility = 'hidden';
-        outerStyle.width = '200px';
-        outerStyle.height = '150px';
-        outerStyle.overflow = 'hidden';
-
-        outer.appendChild(inner);
-
-        document.body.appendChild(outer);
-
-        const widthContained = inner.offsetWidth;
-        outer.style.overflow = 'scroll';
-        let widthScroll = inner.offsetWidth;
-
-        if (widthContained === widthScroll) {
-            widthScroll = outer.clientWidth;
-        }
-
-        document.body.removeChild(outer);
-
-        cached = widthContained - widthScroll;
-    }
-    return cached;
-}
-
-// watch DOM change
-export const MutationObserver = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver || false;
-
-const SPECIAL_CHARS_REGEXP = /([\:\-\_]+(.))/g;
-const MOZ_HACK_REGEXP = /^moz([A-Z])/;
-
-function camelCase(name) {
-    return name.replace(SPECIAL_CHARS_REGEXP, function(_, separator, letter, offset) {
-        return offset ? letter.toUpperCase() : letter;
-    }).replace(MOZ_HACK_REGEXP, 'Moz$1');
-}
-// getStyle
-export function getStyle (element, styleName) {
-    if (!element || !styleName) return null;
-    styleName = camelCase(styleName);
-    if (styleName === 'float') {
-        styleName = 'cssFloat';
-    }
-    try {
-        const computed = document.defaultView.getComputedStyle(element, '');
-        return element.style[styleName] || computed ? computed[styleName] : null;
-    } catch(e) {
-        return element.style[styleName];
-    }
-}
-
-// firstUpperCase
-function firstUpperCase(str) {
-    return str.toString()[0].toUpperCase() + str.toString().slice(1);
-}
-export {firstUpperCase};
-
-// Warn
-export function warnProp(component, prop, correctType, wrongType) {
-    correctType = firstUpperCase(correctType);
-    wrongType = firstUpperCase(wrongType);
-    console.error(`[iView warn]: Invalid prop: type check failed for prop ${prop}. Expected ${correctType}, got ${wrongType}. (found in component: ${component})`);    // eslint-disable-line
-}
-
-function typeOf(obj) {
-    const toString = Object.prototype.toString;
-    const map = {
-        '[object Boolean]'  : 'boolean',
-        '[object Number]'   : 'number',
-        '[object String]'   : 'string',
-        '[object Function]' : 'function',
-        '[object Array]'    : 'array',
-        '[object Date]'     : 'date',
-        '[object RegExp]'   : 'regExp',
-        '[object Undefined]': 'undefined',
-        '[object Null]'     : 'null',
-        '[object Object]'   : 'object'
-    };
-    return map[toString.call(obj)];
-}
-
-// deepCopy
-function deepCopy(data) {
-    const t = typeOf(data);
-    let o;
-
-    if (t === 'array') {
-        o = [];
-    } else if ( t === 'object') {
-        o = {};
-    } else {
-        return data;
-    }
-
-    if (t === 'array') {
-        for (let i = 0; i < data.length; i++) {
-            o.push(deepCopy(data[i]));
-        }
-    } else if ( t === 'object') {
-        for (let i in data) {
-            o[i] = deepCopy(data[i]);
-        }
-    }
-    return o;
-}
-
-export {deepCopy};
-
-// scrollTop animation
-export function scrollTop(el, from = 0, to, duration = 500) {
-    if (!window.requestAnimationFrame) {
-        window.requestAnimationFrame = (
-            window.webkitRequestAnimationFrame ||
-            window.mozRequestAnimationFrame ||
-            window.msRequestAnimationFrame ||
-            function (callback) {
-                return window.setTimeout(callback, 1000/60);
-            }
-        );
-    }
-    const difference = Math.abs(from - to);
-    const step = Math.ceil(difference / duration * 50);
-
-    function scroll(start, end, step) {
-        if (start === end) return;
-
-        let d = (start + step > end) ? end : start + step;
-        if (start > end) {
-            d = (start - step < end) ? end : start - step;
-        }
-
-        if (el === window) {
-            window.scrollTo(d, d);
-        } else {
-            el.scrollTop = d;
-        }
-        window.requestAnimationFrame(() => scroll(d, end, step));
-    }
-    scroll(from, to, step);
-}