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<h1>
<a href="../../index.html">all files</a> / <a href="index.html">modules/utils/</a> bufferStream.js
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<span class="strong">95.45% </span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">const bodec = require("bodec");
const Promise = require("./Promise");
const MaxLengthExceededError = require("./MaxLengthExceededError");
const R = require("ramda");
/**
* Returns a promise for a buffer of all content in the given stream up to
* the given maximum length.
*/
function bufferStream(stream, maxLength) {
maxLength = maxLength || Infinity;
<span class="missing-if-branch" title="if path not taken" >I</span>if (!stream.readable) {
<span class="cstat-no" title="statement not covered" > throw new Error("Cannot buffer stream that is not readable");</span>
}
return new Promise(function (resolve, reject) {
const chunks = [];
let length = 0;
stream.on("error", reject);
stream.on("data", function (chunk) {
length += chunk.length;
if (length > maxLength) {
reject(new MaxLengthExceededError(maxLength));
} else {
chunks.push(chunk);
}
});
stream.on("end", function () {
resolve(bodec.join(chunks));
});
<span class="missing-if-branch" title="else path not taken" >E</span>if (R.is(Function, stream.resume)) {
stream.resume();
}
});
}
module.exports = bufferStream;
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Code coverage
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