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runtime exception: `Class constructor GAstVisitor cannot be invoked without 'new'`

See original GitHub issue

ERROR! Class constructor GAstVisitor cannot be invoked without 'new'
TypeError: Class constructor GAstVisitor cannot be invoked without 'new'
    at new DslMethodsCollectorVisitor (/Users/mshima/aplicacoes/default/node_modules/chevrotain/lib/src/parse/parser/traits/looksahead.js:107:47)
    at Object.<anonymous> (/Users/mshima/aplicacoes/default/node_modules/chevrotain/lib/src/parse/parser/traits/looksahead.js:148:24)
    at Module._compile (node:internal/modules/cjs/loader:1105:14)
    at Object.Module._extensions..js (node:internal/modules/cjs/loader:1159:10)
    at Module.load (node:internal/modules/cjs/loader:981:32)
    at Function.Module._load (node:internal/modules/cjs/loader:822:12)
    at Module.require (node:internal/modules/cjs/loader:1005:19)
    at require (node:internal/modules/cjs/helpers:102:18)
    at Object.<anonymous> (/Users/mshima/aplicacoes/default/node_modules/chevrotain/lib/src/parse/parser/parser.js:34:20)
    at Module._compile (node:internal/modules/cjs/loader:1105:14)

Reproducing:

npx generator-jhipster@latest jdl bug-tracker.jh

Issue Analytics

State:
Created a year ago
Comments:12 (12 by maintainers)

Top GitHub Comments

2reactions

bd82commented, Aug 20, 2022

Okay I realize why 6months old version 10.1.2 suddenly broke in generator-jhipster

Basically chevrotain 10.1.2 was depending on @chevrotain/gast ^10.1.2 (with ^ minor range). So once chevrotain 10.2.0 was released installing chevrotain@10.1.2 would pull @chevrotain/gast@10.2.0 as a dependency, but between these two versions the TypeScript compilation target changed (es5 --> ES2015) so the inheritance system is incompatible between these two versions.

There are a few solutions:

add a shrinkwrap file to generator-jhipster
release 10.2.1 version of chevrotain with the es5 compilation target and then release version 11.0.0 with the new compilation target.

I will try to implement #2 but if you can’t wait you may want to implement the first one.

I still don’t know why you encountered issues with 10.2.0…

1reaction

bd82commented, Aug 22, 2022

hip hip hurray 😸

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