pnpm: Could not resolve module preprocess-loader

pnpm version: 0.73.2

Expected behavior:

Existing project is able to complete the build (it works when node modules are installed using npm/yarn)

Actual behavior:

Node errors:

• node -v prints:

ERROR in C:/Users/Tom/.pnpm-store/2/registry.npmjs.org/json3/3.3.2/~/json3/li
b/json3.js
Module not found: Error: Cannot resolve module 'preprocess-loader' in C:\User
s\Tom\.pnpm-store\2\registry.npmjs.org\json3\3.3.2\node_modules\json3\lib
 @ C:/Users/Tom/.pnpm-store/2/registry.npmjs.org/json3/3.3.2/~/json3/lib/json
3.js 1:0-135

ERROR in C:/Users/Tom/.pnpm-store/2/registry.npmjs.org/wtf-8/1.0.0/~/wtf-8/wt
f-8.js
Module not found: Error: Cannot resolve module 'preprocess-loader' in C:\User
s\Tom\.pnpm-store\2\registry.npmjs.org\wtf-8\1.0.0\node_modules\wtf-8
 @ C:/Users/Tom/.pnpm-store/2/registry.npmjs.org/wtf-8/1.0.0/~/wtf-8/wtf-8.js
 1:0-132

• Windows, OS X, or Linux?: Windows