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An empirical analysis of technical lag in npm package dependencies
Zerouali, Ahmed; Constantinou, Eleni; Mens, Tom et al.
2018
 

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Keywords :
[en] software library; [en] npm; [en] technical lag
Abstract :
[en] Software library packages are constantly evolving and increasing in number. Not updating to the latest available release of dependent libraries may negatively affect software development by not benefiting from new functionality, vulnerability and bug fixes available in more recent versions. On the other hand, automatically updating to the latest release may introduce incompatibility issues. We introduce a technical lag metric for dependencies in package networks, in order to assess how outdated a software package is compared to the latest available releases of its dependencies. We empirically analyse the package update practices and technical lag for the npm distribution of JavaScript packages. Our results show a strong presence of technical lag caused by the specific use of dependency constraints, indicating a reluctance to update dependencies to avoid backward incompatible changes.
Disciplines :
Computer science
Electrical & electronics engineering
Author, co-author :
Zerouali, Ahmed ;  Université de Mons > Faculté des Sciences > Génie Logiciel
Constantinou, Eleni 
Mens, Tom  ;  Université de Mons > Faculté des Sciences > Service de Génie Logiciel
Robles, Gregorio
Gonzalez-Barahona, Jesus
Language :
English
Title :
An empirical analysis of technical lag in npm package dependencies
Publication date :
21 May 2018
Event name :
International Conference on Software Reuse; ICSR
Event place :
Madrid, Spain
Event date :
2018
Research unit :
S852 - Génie Logiciel
Research institute :
R300 - Institut de Recherche en Technologies de l'Information et Sciences de l'Informatique
R150 - Institut de Recherche sur les Systèmes Complexes
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