90 lines
2.5 KiB
JavaScript
90 lines
2.5 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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var _typeof2 = require('babel-runtime/helpers/typeof');
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var _typeof3 = _interopRequireDefault(_typeof2);
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var _keys = require('babel-runtime/core-js/object/keys');
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var _keys2 = _interopRequireDefault(_keys);
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exports.capitalize = capitalize;
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exports.contains = contains;
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exports.findIndex = findIndex;
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exports.find = find;
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exports.createChainedFunction = createChainedFunction;
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var _warning = require('warning');
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var _warning2 = _interopRequireDefault(_warning);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function capitalize(string) {
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if (process.env.NODE_ENV !== 'production' && typeof string !== 'string') {
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throw new Error('Material-UI: capitalize(string) expects a string argument.');
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}
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return string.charAt(0).toUpperCase() + string.slice(1);
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} // weak
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function contains(obj, pred) {
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return (0, _keys2.default)(pred).every(function (key) {
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return obj.hasOwnProperty(key) && obj[key] === pred[key];
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});
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}
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function findIndex(arr, pred) {
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var predType = typeof pred === 'undefined' ? 'undefined' : (0, _typeof3.default)(pred);
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for (var i = 0; i < arr.length; i += 1) {
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if (predType === 'function' && !!pred(arr[i], i, arr) === true) {
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return i;
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}
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if (predType === 'object' && contains(arr[i], pred)) {
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return i;
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}
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if (['string', 'number', 'boolean'].indexOf(predType) !== -1) {
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return arr.indexOf(pred);
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}
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}
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return -1;
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}
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function find(arr, pred) {
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var index = findIndex(arr, pred);
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return index > -1 ? arr[index] : undefined;
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}
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/**
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* Safe chained function
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*
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* Will only create a new function if needed,
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* otherwise will pass back existing functions or null.
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*
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* @param {function} functions to chain
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* @returns {function|null}
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*/
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function createChainedFunction() {
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for (var _len = arguments.length, funcs = Array(_len), _key = 0; _key < _len; _key++) {
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funcs[_key] = arguments[_key];
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}
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return funcs.filter(function (func) {
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return func != null;
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}).reduce(function (acc, func) {
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process.env.NODE_ENV !== "production" ? (0, _warning2.default)(typeof func === 'function', 'Material-UI: invalid Argument Type, must only provide functions, undefined, or null.') : void 0;
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return function chainedFunction() {
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for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
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args[_key2] = arguments[_key2];
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}
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acc.apply(this, args);
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func.apply(this, args);
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};
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}, function () {});
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} |