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author | Joel Kronqvist <joel.h.kronqvist@gmail.com> | 2022-03-05 19:02:27 +0200 |
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committer | Joel Kronqvist <joel.h.kronqvist@gmail.com> | 2022-03-05 19:02:27 +0200 |
commit | 5d309ff52cd399a6b71968a6b9a70c8ac0b98981 (patch) | |
tree | 360f7eb50f956e2367ef38fa1fc6ac7ac5258042 /node_modules/execa/lib/stream.js | |
parent | b500a50f1b97d93c98b36ed9a980f8188d648147 (diff) | |
download | LYLLRuoka-5d309ff52cd399a6b71968a6b9a70c8ac0b98981.tar.gz LYLLRuoka-5d309ff52cd399a6b71968a6b9a70c8ac0b98981.zip |
Added node_modules for the updating to work properly.
Diffstat (limited to 'node_modules/execa/lib/stream.js')
-rw-r--r-- | node_modules/execa/lib/stream.js | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/node_modules/execa/lib/stream.js b/node_modules/execa/lib/stream.js new file mode 100644 index 0000000..d445dd4 --- /dev/null +++ b/node_modules/execa/lib/stream.js @@ -0,0 +1,97 @@ +'use strict'; +const isStream = require('is-stream'); +const getStream = require('get-stream'); +const mergeStream = require('merge-stream'); + +// `input` option +const handleInput = (spawned, input) => { + // Checking for stdin is workaround for https://github.com/nodejs/node/issues/26852 + // @todo remove `|| spawned.stdin === undefined` once we drop support for Node.js <=12.2.0 + if (input === undefined || spawned.stdin === undefined) { + return; + } + + if (isStream(input)) { + input.pipe(spawned.stdin); + } else { + spawned.stdin.end(input); + } +}; + +// `all` interleaves `stdout` and `stderr` +const makeAllStream = (spawned, {all}) => { + if (!all || (!spawned.stdout && !spawned.stderr)) { + return; + } + + const mixed = mergeStream(); + + if (spawned.stdout) { + mixed.add(spawned.stdout); + } + + if (spawned.stderr) { + mixed.add(spawned.stderr); + } + + return mixed; +}; + +// On failure, `result.stdout|stderr|all` should contain the currently buffered stream +const getBufferedData = async (stream, streamPromise) => { + if (!stream) { + return; + } + + stream.destroy(); + + try { + return await streamPromise; + } catch (error) { + return error.bufferedData; + } +}; + +const getStreamPromise = (stream, {encoding, buffer, maxBuffer}) => { + if (!stream || !buffer) { + return; + } + + if (encoding) { + return getStream(stream, {encoding, maxBuffer}); + } + + return getStream.buffer(stream, {maxBuffer}); +}; + +// Retrieve result of child process: exit code, signal, error, streams (stdout/stderr/all) +const getSpawnedResult = async ({stdout, stderr, all}, {encoding, buffer, maxBuffer}, processDone) => { + const stdoutPromise = getStreamPromise(stdout, {encoding, buffer, maxBuffer}); + const stderrPromise = getStreamPromise(stderr, {encoding, buffer, maxBuffer}); + const allPromise = getStreamPromise(all, {encoding, buffer, maxBuffer: maxBuffer * 2}); + + try { + return await Promise.all([processDone, stdoutPromise, stderrPromise, allPromise]); + } catch (error) { + return Promise.all([ + {error, signal: error.signal, timedOut: error.timedOut}, + getBufferedData(stdout, stdoutPromise), + getBufferedData(stderr, stderrPromise), + getBufferedData(all, allPromise) + ]); + } +}; + +const validateInputSync = ({input}) => { + if (isStream(input)) { + throw new TypeError('The `input` option cannot be a stream in sync mode'); + } +}; + +module.exports = { + handleInput, + makeAllStream, + getSpawnedResult, + validateInputSync +}; + |