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author | Joel Kronqvist <work.joelkronqvist@pm.me> | 2022-03-11 20:46:06 +0200 |
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committer | Joel Kronqvist <work.joelkronqvist@pm.me> | 2022-03-11 20:46:06 +0200 |
commit | 080c5819d87b933816d724a83f3bf4f1686770a7 (patch) | |
tree | 4a2ccc68b27edf7d4cbc586c932cc7542b655e19 /node_modules/execa/lib/promise.js | |
parent | 5ac7049a9d30733165cc212dee308163c2a14644 (diff) | |
parent | d003b82235a9329f912522a2f70aa950dfce4998 (diff) | |
download | LYLLRuoka-080c5819d87b933816d724a83f3bf4f1686770a7.tar.gz LYLLRuoka-080c5819d87b933816d724a83f3bf4f1686770a7.zip |
Merge branch 'master' of https://github.com/JoelHMikael/FoodJS
Updating remote changes
Diffstat (limited to 'node_modules/execa/lib/promise.js')
-rw-r--r-- | node_modules/execa/lib/promise.js | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/node_modules/execa/lib/promise.js b/node_modules/execa/lib/promise.js new file mode 100644 index 0000000..bd9d523 --- /dev/null +++ b/node_modules/execa/lib/promise.js @@ -0,0 +1,46 @@ +'use strict'; + +const nativePromisePrototype = (async () => {})().constructor.prototype; +const descriptors = ['then', 'catch', 'finally'].map(property => [ + property, + Reflect.getOwnPropertyDescriptor(nativePromisePrototype, property) +]); + +// The return value is a mixin of `childProcess` and `Promise` +const mergePromise = (spawned, promise) => { + for (const [property, descriptor] of descriptors) { + // Starting the main `promise` is deferred to avoid consuming streams + const value = typeof promise === 'function' ? + (...args) => Reflect.apply(descriptor.value, promise(), args) : + descriptor.value.bind(promise); + + Reflect.defineProperty(spawned, property, {...descriptor, value}); + } + + return spawned; +}; + +// Use promises instead of `child_process` events +const getSpawnedPromise = spawned => { + return new Promise((resolve, reject) => { + spawned.on('exit', (exitCode, signal) => { + resolve({exitCode, signal}); + }); + + spawned.on('error', error => { + reject(error); + }); + + if (spawned.stdin) { + spawned.stdin.on('error', error => { + reject(error); + }); + } + }); +}; + +module.exports = { + mergePromise, + getSpawnedPromise +}; + |