Update dependency rollup to ^0.68.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
rollup (source)	^0.67.0 → ^0.68.0

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Release Notes

rollup/rollup (rollup)

v0.68.2

Compare Source

2018-12-23

Bug Fixes

• Do not assume hoisted variables to have been initialized (#​2607)

Pull Requests

• #​2607: Fix an issues where hoisted variables were assumed to have been initialized (@​lye)

v0.68.1

Compare Source

2018-12-19

Bug Fixes

• Fix an issue with UMD wrappers where a variable is used without being defined (#​2600)

Pull Requests

• #​2600: Fix UMD and IIFE wrapper issues and add comprehensive functional wrapper tests (@​lukastaegert)

v0.68.0

Compare Source

2018-12-16

Breaking Changes

• optimizeChunks is renamed to experimentalOptimizeChunks to reflect this feature is not production-ready yet (#​2575)

Features

• Plugins can iterate all module ids via this.moduleIds (#​2565)
• Plugins can get graph information about a module via this.getModuleInfo(id) (#​2565)
• Plugins and JS API users get more information about the generated chunks: dynamicImports, facadeModuleId, isDynamicEntry, name (#​2575)
• Tree-shaken dynamic imports will no longer create chunks or influence chunking in any way (#​2575)
• Dynamic imports will no longer follow the entryFileNames but the chunkFileNames property reflecting those are solely internally used (#​2575)
• If there are chunk naming conflicts, entry chunks will always take precedence (#​2575)
• If an entry facade is created, only the facade chunk is marked as isEntry (#​2575)
• Dynamic chunks will only be marked as isEntry if they are actually entry chunks as well; thus there is now a 1-to-1 correspondence between modules listed in input and chunks marked as isEntry (#​2575)
• Chunks no longer contain imports for variables that are tree-shaken in the chunk but used in other chunks (#​2584)
• Chunks will always import re-exported variables directly from the chunk where they are originally exported from (#​2584)
• Null characters will be pruned from chunk ids to allow for virtually created chunks and make rollup-plugin-multi-entry compatible with code-splitting and thus the upcoming 1.0 version (#​2590)
• Simplify the UMD wrapper code as much as possible, especially if there are no exports (#​2594)
• The UMD wrapper will now work in strict mode by checking for self before this when determining the global variable (#​2594)

Bug Fixes

• If a facade is created for a dynamic entry point, this facade will be imported instead of the facaded chunk (#​2575)
• Manual chunks that include multiple entry points will have proper facades created for all entry points if necessary (#​2575)
• If missing exports are shimmed, the shim variable will not be global but created on a per-module basis and is deconflicted with variables having the same name (#​2584)
• Missing export shims work properly in SystemJS (#​2584)
• preserveModules now handles dynamic namespace imports (#​2584)
• Fix chunk execution order in certain scenarios (#​2584)
• Exports and assignments using destructuring syntax will properly update the exported variables when generating SystemJS output (#​2587)
• Hashes in chunk names will now also take dynamic imports into account (#​2596)

Pull Requests

• #​2565: Provide module graph information on the plugin context (@​samccone)
• #​2575: Extend bundle information, tree-shake dynamic imports, fix dynamic import facade creation, support manual chunks with multiple entry points, make optimizeImports experimental (@​lukastaegert)
• #​2577: Update dependencies (@​lukastaegert)
• #​2584: Prune tree-shaken chunk imports, fix missing export shimming, support dynamic namespaces when preserving modules, improve chunk execution order (@​lukastaegert)
• #​2587: Support exports using destructuring declarations and assignments in SystemJS (@​lukastaegert)
• #​2590: Make sure chunk ids do not contain invalid characters to allow for chunks to correspond to virtual modules (@​lukastaegert)
• #​2594: Simplify UMD wrapper code and make sure it works in strict mode (@​lukastaegert)
• #​2596: Take both static and dynamic dependencies into account when calculating hashes (@​lukastaegert)

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