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-rw-r--r--node_modules/decompress-response/index.js40
1 files changed, 40 insertions, 0 deletions
diff --git a/node_modules/decompress-response/index.js b/node_modules/decompress-response/index.js
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+'use strict';
+const {PassThrough: PassThroughStream} = require('stream');
+const zlib = require('zlib');
+const mimicResponse = require('mimic-response');
+
+const decompressResponse = response => {
+ const contentEncoding = (response.headers['content-encoding'] || '').toLowerCase();
+
+ if (!['gzip', 'deflate', 'br'].includes(contentEncoding)) {
+ return response;
+ }
+
+ const isBrotli = contentEncoding === 'br';
+ if (isBrotli && typeof zlib.createBrotliDecompress !== 'function') {
+ return response;
+ }
+
+ const decompress = isBrotli ? zlib.createBrotliDecompress() : zlib.createUnzip();
+ const stream = new PassThroughStream();
+
+ mimicResponse(response, stream);
+
+ decompress.on('error', error => {
+ // Ignore empty response
+ if (error.code === 'Z_BUF_ERROR') {
+ stream.end();
+ return;
+ }
+
+ stream.emit('error', error);
+ });
+
+ response.pipe(decompress).pipe(stream);
+
+ return stream;
+};
+
+module.exports = decompressResponse;
+// TODO: remove this in the next major version
+module.exports.default = decompressResponse;