問題
% ./node_modules/.bin/webpack # 中略 TypeError: Cannot read property 'watchRun' of undefined
調査
- webpack - TypeScript issue - TypeError: Cannot read property 'watchRun' of undefined - Stack Overflow
- webpack 4.0.0-alpha.5 feedback · Issue #6357 · webpack/webpack · GitHub
解決
% ./node_modules/.bin/webpack --version 3.11.0 % npm install --save-dev -D webpack@4.0 % ./node_modules/.bin/webpack --version 4.0.1
% ./node_modules/.bin/webpack
# うごいた