248 lines
10 KiB
HTML
248 lines
10 KiB
HTML
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<!doctype html>
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<title>Code coverage report for packer-sync.js</title>
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<meta charset="utf-8" />
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<link rel="stylesheet" href="prettify.css" />
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<h1><a href="index.html">All files</a> packer-sync.js</h1>
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Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block.
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<pre><table class="coverage">
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<a name='L57'></a><a href='#L57'>57</a></td><td class="line-coverage quiet"><span class="cline-any cline-neutral"> </span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">"use strict";
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let hasSyncZlib = true;
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let zlib = require("zlib");
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<span class="missing-if-branch" title="if path not taken" >I</span>if (!zlib.deflateSync) {
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<span class="cstat-no" title="statement not covered" > hasSyncZlib = false;</span>
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}
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let constants = require("./constants");
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let Packer = require("./packer");
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module.exports = <span class="fstat-no" title="function not covered" >fu</span>nction (metaData, opt) {
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<span class="cstat-no" title="statement not covered" > if (!hasSyncZlib) {</span>
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<span class="cstat-no" title="statement not covered" > throw new Error(</span>
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"To use the sync capability of this library in old node versions, please pin pngjs to v2.3.0"
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);
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}
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let options = <span class="cstat-no" title="statement not covered" >opt || {};</span>
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let packer = <span class="cstat-no" title="statement not covered" >new Packer(options);</span>
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let chunks = <span class="cstat-no" title="statement not covered" >[];</span>
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// Signature
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<span class="cstat-no" title="statement not covered" > chunks.push(Buffer.from(constants.PNG_SIGNATURE));</span>
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// Header
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<span class="cstat-no" title="statement not covered" > chunks.push(packer.packIHDR(metaData.width, metaData.height));</span>
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<span class="cstat-no" title="statement not covered" > if (metaData.gamma) {</span>
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<span class="cstat-no" title="statement not covered" > chunks.push(packer.packGAMA(metaData.gamma));</span>
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}
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let filteredData = <span class="cstat-no" title="statement not covered" >packer.filterData(</span>
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metaData.data,
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metaData.width,
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metaData.height
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);
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// compress it
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let compressedData = <span class="cstat-no" title="statement not covered" >zlib.deflateSync(</span>
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filteredData,
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packer.getDeflateOptions()
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);
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<span class="cstat-no" title="statement not covered" > filteredData = null;</span>
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<span class="cstat-no" title="statement not covered" > if (!compressedData || !compressedData.length) {</span>
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<span class="cstat-no" title="statement not covered" > throw new Error("bad png - invalid compressed data response");</span>
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}
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<span class="cstat-no" title="statement not covered" > chunks.push(packer.packIDAT(compressedData));</span>
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// End
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<span class="cstat-no" title="statement not covered" > chunks.push(packer.packIEND());</span>
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<span class="cstat-no" title="statement not covered" > return Buffer.concat(chunks);</span>
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};
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</pre></td></tr></table></pre>
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<div class='footer quiet pad2 space-top1 center small'>
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Code coverage generated by
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<a href="https://istanbul.js.org/" target="_blank">istanbul</a>
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at Fri Apr 10 2020 13:53:16 GMT+0200 (Central European Summer Time)
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