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parallel-transform

Transform stream for Node.js that allows you to run your transforms in parallel without changing the order of the output.

npm install parallel-transform

It is easy to use

vartransform=require('parallel-transform');varstream=transform(10,function(data,callback){// 10 is the parallism levelsetTimeout(function(){callback(null,data);},Math.random()*1000);});for(vari=0;i<10;i++){stream.write(''+i);}stream.end();stream.on('data',function(data){console.log(data);// prints 0,1,2,...});stream.on('end',function(){console.log('stream has ended');});

If you run the above example you'll notice that it runs in parallel (does not take ~1 second between each print) and that the order is preserved

Stream options

All transforms are Node 0.10 streams. Per default they are created with the options {objectMode:true}. If you want to use your own stream options pass them as the second parameter

varstream=transform(10,{objectMode:false},function(data,callback){// data is now a buffercallback(null,data);});fs.createReadStream('filename').pipe(stream).pipe(process.stdout);

Unordered

Passing the option {ordered:false} will output the data as soon as it's processed by a transform, without waiting to respect the order.

License

MIT

About

Transform stream for Node.js that allows you to run your transforms in parallel without changing the order

Resources

Readme
MIT license

Security policy

Security policy
Activity

Stars

80 stars

Watchers

2 watching

Forks

21 forks
Report repository

Releases

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Used by

Contributors

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parallel-transform
Transform stream for Node.js that allows you to run your transforms
in parallel without changing the order of the output.
npm install parallel-transform

It is easy to use
vartransform=require('parallel-transform');varstream=transform(10,function(data,callback){// 10 is the parallism levelsetTimeout(function(){callback(null,data);},Math.random()*1000);});for(vari=0;i<10;i++){stream.write(''+i);}stream.end();stream.on('data',function(data){console.log(data);// prints 0,1,2,...});stream.on('end',function(){console.log('stream has ended');});
If you run the above example you'll notice that it runs in parallel
(does not take ~1 second between each print) and that the order is preserved
Stream options
All transforms are Node 0.10 streams. Per default they are created with the options {objectMode:true}.
If you want to use your own stream options pass them as the second parameter
varstream=transform(10,{objectMode:false},function(data,callback){// data is now a buffercallback(null,data);});fs.createReadStream('filename').pipe(stream).pipe(process.stdout);
Unordered
Passing the option {ordered:false} will output the data as soon as it's processed by a transform, without waiting to respect the order.
License
MIT
About
Transform stream for Node.js that allows you to run your transforms in parallel without changing the order
Resources
Readme
MIT license
Security policy
Security policy
Activity
Stars
80 stars
Watchers
2 watching
Forks
21 forks
Report repository
Releases
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Repository files navigation
parallel-transform
Transform stream for Node.js that allows you to run your transforms
in parallel without changing the order of the output.
npm install parallel-transform

It is easy to use
vartransform=require('parallel-transform');varstream=transform(10,function(data,callback){// 10 is the parallism levelsetTimeout(function(){callback(null,data);},Math.random()*1000);});for(vari=0;i<10;i++){stream.write(''+i);}stream.end();stream.on('data',function(data){console.log(data);// prints 0,1,2,...});stream.on('end',function(){console.log('stream has ended');});
If you run the above example you'll notice that it runs in parallel
(does not take ~1 second between each print) and that the order is preserved
Stream options
All transforms are Node 0.10 streams. Per default they are created with the options {objectMode:true}.
If you want to use your own stream options pass them as the second parameter
varstream=transform(10,{objectMode:false},function(data,callback){// data is now a buffercallback(null,data);});fs.createReadStream('filename').pipe(stream).pipe(process.stdout);
Unordered
Passing the option {ordered:false} will output the data as soon as it's processed by a transform, without waiting to respect the order.
License
MIT
About
Transform stream for Node.js that allows you to run your transforms in parallel without changing the order
Resources
Readme
MIT license
Security policy
Security policy
Activity
Stars
80 stars
Watchers
2 watching
Forks
21 forks
Report repository
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parallel-transform
Transform stream for Node.js that allows you to run your transforms
in parallel without changing the order of the output.
npm install parallel-transform

It is easy to use
vartransform=require('parallel-transform');varstream=transform(10,function(data,callback){// 10 is the parallism levelsetTimeout(function(){callback(null,data);},Math.random()*1000);});for(vari=0;i<10;i++){stream.write(''+i);}stream.end();stream.on('data',function(data){console.log(data);// prints 0,1,2,...});stream.on('end',function(){console.log('stream has ended');});
If you run the above example you'll notice that it runs in parallel
(does not take ~1 second between each print) and that the order is preserved
Stream options
All transforms are Node 0.10 streams. Per default they are created with the options {objectMode:true}.
If you want to use your own stream options pass them as the second parameter
varstream=transform(10,{objectMode:false},function(data,callback){// data is now a buffercallback(null,data);});fs.createReadStream('filename').pipe(stream).pipe(process.stdout);
Unordered
Passing the option {ordered:false} will output the data as soon as it's processed by a transform, without waiting to respect the order.
License
MIT
About
Transform stream for Node.js that allows you to run your transforms in parallel without changing the order
Resources
Readme
MIT license
Security policy
Security policy
Activity
Stars
80 stars
Watchers
2 watching
Forks
21 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

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Repository files navigation
parallel-transform
Transform stream for Node.js that allows you to run your transforms
in parallel without changing the order of the output.
npm install parallel-transform

It is easy to use
vartransform=require('parallel-transform');varstream=transform(10,function(data,callback){// 10 is the parallism levelsetTimeout(function(){callback(null,data);},Math.random()*1000);});for(vari=0;i<10;i++){stream.write(''+i);}stream.end();stream.on('data',function(data){console.log(data);// prints 0,1,2,...});stream.on('end',function(){console.log('stream has ended');});
If you run the above example you'll notice that it runs in parallel
(does not take ~1 second between each print) and that the order is preserved
Stream options
All transforms are Node 0.10 streams. Per default they are created with the options {objectMode:true}.
If you want to use your own stream options pass them as the second parameter
varstream=transform(10,{objectMode:false},function(data,callback){// data is now a buffercallback(null,data);});fs.createReadStream('filename').pipe(stream).pipe(process.stdout);
Unordered
Passing the option {ordered:false} will output the data as soon as it's processed by a transform, without waiting to respect the order.
License
MIT
About
Transform stream for Node.js that allows you to run your transforms in parallel without changing the order
Resources
Readme
MIT license
Security policy
Security policy
Activity
Stars
80 stars
Watchers
2 watching
Forks
21 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

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Repository files navigation
parallel-transform
Transform stream for Node.js that allows you to run your transforms
in parallel without changing the order of the output.
npm install parallel-transform

It is easy to use
vartransform=require('parallel-transform');varstream=transform(10,function(data,callback){// 10 is the parallism levelsetTimeout(function(){callback(null,data);},Math.random()*1000);});for(vari=0;i<10;i++){stream.write(''+i);}stream.end();stream.on('data',function(data){console.log(data);// prints 0,1,2,...});stream.on('end',function(){console.log('stream has ended');});
If you run the above example you'll notice that it runs in parallel
(does not take ~1 second between each print) and that the order is preserved
Stream options
All transforms are Node 0.10 streams. Per default they are created with the options {objectMode:true}.
If you want to use your own stream options pass them as the second parameter
varstream=transform(10,{objectMode:false},function(data,callback){// data is now a buffercallback(null,data);});fs.createReadStream('filename').pipe(stream).pipe(process.stdout);
Unordered
Passing the option {ordered:false} will output the data as soon as it's processed by a transform, without waiting to respect the order.
License
MIT
About
Transform stream for Node.js that allows you to run your transforms in parallel without changing the order
Resources
Readme
MIT license
Security policy
Security policy
Activity
Stars
80 stars
Watchers
2 watching
Forks
21 forks
Report repository
Releases
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Used by
Contributors
Languages

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Repository files navigation
parallel-transform
Transform stream for Node.js that allows you to run your transforms
in parallel without changing the order of the output.
npm install parallel-transform

It is easy to use
vartransform=require('parallel-transform');varstream=transform(10,function(data,callback){// 10 is the parallism levelsetTimeout(function(){callback(null,data);},Math.random()*1000);});for(vari=0;i<10;i++){stream.write(''+i);}stream.end();stream.on('data',function(data){console.log(data);// prints 0,1,2,...});stream.on('end',function(){console.log('stream has ended');});
If you run the above example you'll notice that it runs in parallel
(does not take ~1 second between each print) and that the order is preserved
Stream options
All transforms are Node 0.10 streams. Per default they are created with the options {objectMode:true}.
If you want to use your own stream options pass them as the second parameter
varstream=transform(10,{objectMode:false},function(data,callback){// data is now a buffercallback(null,data);});fs.createReadStream('filename').pipe(stream).pipe(process.stdout);
Unordered
Passing the option {ordered:false} will output the data as soon as it's processed by a transform, without waiting to respect the order.
License
MIT
About
Transform stream for Node.js that allows you to run your transforms in parallel without changing the order
Resources
Readme
MIT license
Security policy
Security policy
Activity
Stars
80 stars
Watchers
2 watching
Forks
21 forks
Report repository
Releases
Packages
Used by
Contributors
Languages

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filter: invert(1) hue-rotate(180deg) !important;
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parallel-transform
Transform stream for Node.js that allows you to run your transforms
in parallel without changing the order of the output.
npm install parallel-transform

It is easy to use
vartransform=require('parallel-transform');varstream=transform(10,function(data,callback){// 10 is the parallism levelsetTimeout(function(){callback(null,data);},Math.random()*1000);});for(vari=0;i<10;i++){stream.write(''+i);}stream.end();stream.on('data',function(data){console.log(data);// prints 0,1,2,...});stream.on('end',function(){console.log('stream has ended');});
If you run the above example you'll notice that it runs in parallel
(does not take ~1 second between each print) and that the order is preserved
Stream options
All transforms are Node 0.10 streams. Per default they are created with the options {objectMode:true}.
If you want to use your own stream options pass them as the second parameter
varstream=transform(10,{objectMode:false},function(data,callback){// data is now a buffercallback(null,data);});fs.createReadStream('filename').pipe(stream).pipe(process.stdout);
Unordered
Passing the option {ordered:false} will output the data as soon as it's processed by a transform, without waiting to respect the order.
License
MIT
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Transform stream for Node.js that allows you to run your transforms in parallel without changing the order
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