Prod build fails with TypeError: Reduce of empty array with no initial value

[jkyoutsey]

I don't have any empty arrays anywhere in my ts modules that I can find.

`> webpack --config webpack.prod.config.js --progress --profile --colors --display-error-details --display-cached

532ms build modules
1ms seal
1ms optimize
75% hashingUnhandled rejection TypeError: Reduce of empty array with no initial value
at Array.reduce (native)
at Compilation. (/Users/JARVIS/src/project7/node_modules/webpack-md5-hash/plugin/webpack_md5_hash.js:27:82)
at Compilation.applyPlugins (/Users/JARVIS/src/project7/node_modules/tapable/lib/Tapable.js:26:37)
at Compilation.createHash (/Users/JARVIS/src/project7/node_modules/webpack/lib/Compilation.js:791:8)
at Compilation. (/Users/JARVIS/src/project7/node_modules/webpack/lib/Compilation.js:554:8)
at Compilation.applyPluginsAsync (/Users/JARVIS/src/project7/node_modules/tapable/lib/Tapable.js:60:69)
at Compilation.seal (/Users/JARVIS/src/project7/node_modules/webpack/lib/Compilation.js:525:7)
at Compiler. (/Users/JARVIS/src/project7/node_modules/webpack/lib/Compiler.js:397:15)
at /Users/JARVIS/src/project7/node_modules/tapable/lib/Tapable.js:103:11
at /Users/JARVIS/src/project7/node_modules/html-webpack-plugin/index.js:50:9
at tryCatcher (/Users/JARVIS/src/project7/node_modules/html-webpack-plugin/node_modules/bluebird/js/release/util.js:16:23)
at Promise._settlePromiseFromHandler (/Users/JARVIS/src/project7/node_modules/html-webpack-plugin/node_modules/bluebird/js/release/promise.js:503:31)
at Promise._settlePromise (/Users/JARVIS/src/project7/node_modules/html-webpack-plugin/node_modules/bluebird/js/release/promise.js:560:18)
at Promise._settlePromise0 (/Users/JARVIS/src/project7/node_modules/html-webpack-plugin/node_modules/bluebird/js/release/promise.js:605:10)
at Promise._settlePromises (/Users/JARVIS/src/project7/node_modules/html-webpack-plugin/node_modules/bluebird/js/release/promise.js:684:18)
at Async._drainQueue (/Users/JARVIS/src/project7/node_modules/html-webpack-plugin/node_modules/bluebird/js/release/async.js:126:16)
at Async._drainQueues (/Users/JARVIS/src/project7/node_modules/html-webpack-plugin/node_modules/bluebird/js/release/async.js:136:10)
at Immediate.Async.drainQueues as _onImmediate
at processImmediate as _immediateCallback`

[sasidhar]

@jkyoutsey It seems, this issue is already discussed in #215 (comment)

There was some issue with the webpack-md5-hash when there are some empty files. Refer : erm0l0v/webpack-md5-hash#1

This was already fixed with the latest version of webpack-md5-hash

Can you try updating webpack-md5-hash with the latest version and see if this issue still exists?

[jkyoutsey]

Agreed. I upgraded somewhere along the way and forgot I put this out there.