Two files in the same directory a.ts b.ts
a.ts:
const a=1;b.ts:
const a=2;
The two files have no dependencies, I really can’t figure it out
2
0
0
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Because there is no import or export in your two files, so he thinks that your two files are global... and will naturally prompt this
Because there is no closure in the file, each a is a global variable by default. You can use export to export a, then a becomes a variable in the closure.
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