89 lines
2.7 KiB
JavaScript
89 lines
2.7 KiB
JavaScript
// Copyright (c) 2018 Dominic Masters
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//
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// MIT License
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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import React from 'react';
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export default class Image extends React.Component {
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constructor(props) {
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super(props);
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}
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render() {
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let sourceProps = Object.assign({}, this.props);
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//Prop Manipulation
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if(sourceProps.image) {
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if(Array.isArray(sourceProps.image)) {
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sourceProps.sources = sourceProps.image;
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} else {
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sourceProps.src = sourceProps.image;
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}
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}
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//Image
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let sourceElements = [];
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let sources = {};
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let defaultSrc = sourceProps.src;
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let defaultAlt = sourceProps.alt;
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if(sourceProps.sources) {
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//Iterate over supplied sources
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for(let i = 0; i < sourceProps.sources.length; i++) {
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let x = sourceProps.sources[i];
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let w = x.size;
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sources[w] = sources[w] || [];
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sources[w].push(x);
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defaultSrc = defaultSrc || x.src;
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defaultAlt = defaultAlt || x.alt;
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}
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//Now map to components I guess
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let keys = Object.keys(sources);
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for(let i = 0; i < keys.length; i++) {
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let k = keys[i];
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let j = sources[k];
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let q = j[0];
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let mediaQuery = '(max-width:'+q.size+'px)';
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let sss = [];
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for(let p = 0; p < j.length; p++) {
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let v = j[p];
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sss.push(v.src + (v.scale && v.scale != 1 ? " "+v.scale+"x" : "" ) );
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}
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sourceElements.push(
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<source media={mediaQuery} srcSet={ sss.join(", ") } key={i} />
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);
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}
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}
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return (
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<picture>
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{ sourceElements }
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<img src={ defaultSrc } alt={ defaultAlt } className={ sourceProps.className } />
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</picture>
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);
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}
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}
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