-
Notifications
You must be signed in to change notification settings - Fork 12.9k
Closed
Labels
BugA bug in TypeScriptA bug in TypeScriptFix AvailableA PR has been opened for this issueA PR has been opened for this issue
Milestone
Description
TypeScript Version: 3.7.0-dev.20191015
Code
Initial source:
lodash-es/lodash.default.js
file from [email protected]
Minimum repro:
import A from 'A';
A.prototype.foo = 0;
Expected behavior:
Code transpiles without errors
Actual behavior:
node_modules\typescript\lib\tsc.js:23676
node.symbol = symbol;
TypeError: node_modules\lodash-es\lodash.default.js: Cannot set property 'symbol' of undefined
at addDeclarationToSymbol (node_modules/typescript/lib/typescript.js:29235:25)
at bindPotentiallyMissingNamespaces (node_modules/typescript/lib/typescript.js:31604:17)
at bindPropertyAssignment (node_modules/typescript/lib/typescript.js:31656:31)
at bindPrototypePropertyAssignment (node_modules/typescript/lib/typescript.js:31544:13)
at bindWorker (node_modules/typescript/lib/typescript.js:31139:29)
at bind (node_modules/typescript/lib/typescript.js:31027:13)
at bindExpressionStatement (node_modules/typescript/lib/typescript.js:30235:13)
at bindChildrenWorker (node_modules/typescript/lib/typescript.js:29693:21)
at bindChildren (node_modules/typescript/lib/typescript.js:29614:17)
at bind (node_modules/typescript/lib/typescript.js:31038:21)
Playground Link:
http://www.typescriptlang.org/play/?target=1&ts=3.7-Beta&useJavaScript=true#code/JYWwDg9gTgLgBAQTgMyhEcDkDMG4BQCAdGGjBDAJ5gCmRyEEcAvHAAy5A (see error in browser console)
Metadata
Metadata
Assignees
Labels
BugA bug in TypeScriptA bug in TypeScriptFix AvailableA PR has been opened for this issueA PR has been opened for this issue