1 | /*! @license Tealight v0.2.0
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2 |
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3 | Copyright 2018 Fisssion LLC.
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4 |
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5 | Permission is hereby granted, free of charge, to any person obtaining a copy
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6 | of this software and associated documentation files (the "Software"), to deal
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7 | in the Software without restriction, including without limitation the rights
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8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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9 | copies of the Software, and to permit persons to whom the Software is
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10 | furnished to do so, subject to the following conditions:
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11 |
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12 | The above copyright notice and this permission notice shall be included in all
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13 | copies or substantial portions of the Software.
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14 |
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15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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21 | SOFTWARE.
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22 |
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23 | */
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24 | function isNode(x) {
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25 | return typeof window.Node === 'object'
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26 | ? x instanceof window.Node
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27 | : x !== null &&
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28 | typeof x === 'object' &&
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29 | typeof x.nodeType === 'number' &&
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30 | typeof x.nodeName === 'string'
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31 | }
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32 |
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33 | function isNodeList(x) {
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34 | var prototypeToString = Object.prototype.toString.call(x);
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35 | var regex = /^\[object (HTMLCollection|NodeList|Object)\]$/;
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36 |
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37 | return typeof window.NodeList === 'object'
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38 | ? x instanceof window.NodeList
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39 | : x !== null &&
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40 | typeof x === 'object' &&
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41 | typeof x.length === 'number' &&
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42 | regex.test(prototypeToString) &&
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43 | (x.length === 0 || isNode(x[0]))
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44 | }
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45 |
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46 | function index(target, context) {
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47 | if ( context === void 0 ) context = document;
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48 |
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49 | if (target instanceof Array) { return target.filter(isNode) }
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50 | if (isNode(target)) { return [target] }
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51 | if (isNodeList(target)) { return Array.prototype.slice.call(target) }
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52 | if (typeof target === 'string') {
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53 | try {
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54 | var query = context.querySelectorAll(target);
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55 | return Array.prototype.slice.call(query)
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56 | } catch (err) {
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57 | return []
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58 | }
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59 | }
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60 | return []
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61 | }
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62 |
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63 | export default index;
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