util.js
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'use strict';
exports.__esModule = true;
exports.isEdge = exports.isIE = exports.coerceTruthyValueToArray = exports.arrayFind = exports.arrayFindIndex = exports.escapeRegexpString = exports.valueEquals = exports.generateId = exports.getValueByPath = undefined;
exports.noop = noop;
exports.hasOwn = hasOwn;
exports.toObject = toObject;
exports.getPropByPath = getPropByPath;
var _vue = require('vue');
var _vue2 = _interopRequireDefault(_vue);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var hasOwnProperty = Object.prototype.hasOwnProperty;
function noop() {};
function hasOwn(obj, key) {
return hasOwnProperty.call(obj, key);
};
function extend(to, _from) {
for (var key in _from) {
to[key] = _from[key];
}
return to;
};
function toObject(arr) {
var res = {};
for (var i = 0; i < arr.length; i++) {
if (arr[i]) {
extend(res, arr[i]);
}
}
return res;
};
var getValueByPath = exports.getValueByPath = function getValueByPath(object, prop) {
prop = prop || '';
var paths = prop.split('.');
var current = object;
var result = null;
for (var i = 0, j = paths.length; i < j; i++) {
var path = paths[i];
if (!current) break;
if (i === j - 1) {
result = current[path];
break;
}
current = current[path];
}
return result;
};
function getPropByPath(obj, path, strict) {
var tempObj = obj;
path = path.replace(/\[(\w+)\]/g, '.$1');
path = path.replace(/^\./, '');
var keyArr = path.split('.');
var i = 0;
for (var len = keyArr.length; i < len - 1; ++i) {
if (!tempObj && !strict) break;
var key = keyArr[i];
if (key in tempObj) {
tempObj = tempObj[key];
} else {
if (strict) {
throw new Error('please transfer a valid prop path to form item!');
}
break;
}
}
return {
o: tempObj,
k: keyArr[i],
v: tempObj ? tempObj[keyArr[i]] : null
};
};
var generateId = exports.generateId = function generateId() {
return Math.floor(Math.random() * 10000);
};
var valueEquals = exports.valueEquals = function valueEquals(a, b) {
// see: https://stackoverflow.com/questions/3115982/how-to-check-if-two-arrays-are-equal-with-javascript
if (a === b) return true;
if (!(a instanceof Array)) return false;
if (!(b instanceof Array)) return false;
if (a.length !== b.length) return false;
for (var i = 0; i !== a.length; ++i) {
if (a[i] !== b[i]) return false;
}
return true;
};
var escapeRegexpString = exports.escapeRegexpString = function escapeRegexpString() {
var value = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
return String(value).replace(/[|\\{}()[\]^$+*?.]/g, '\\$&');
};
// TODO: use native Array.find, Array.findIndex when IE support is dropped
var arrayFindIndex = exports.arrayFindIndex = function arrayFindIndex(arr, pred) {
for (var i = 0; i !== arr.length; ++i) {
if (pred(arr[i])) {
return i;
}
}
return -1;
};
var arrayFind = exports.arrayFind = function arrayFind(arr, pred) {
var idx = arrayFindIndex(arr, pred);
return idx !== -1 ? arr[idx] : undefined;
};
// coerce truthy value to array
var coerceTruthyValueToArray = exports.coerceTruthyValueToArray = function coerceTruthyValueToArray(val) {
if (Array.isArray(val)) {
return val;
} else if (val) {
return [val];
} else {
return [];
}
};
var isIE = exports.isIE = function isIE() {
return !_vue2.default.prototype.$isServer && !isNaN(Number(document.documentMode));
};
var isEdge = exports.isEdge = function isEdge() {
return !_vue2.default.prototype.$isServer && navigator.userAgent.indexOf('Edge') > -1;
};