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tests/cases/conformance/salsa/npm-install.js(7,9): error TS2322: Type 'string' is not assignable to type 'number'.
==== tests/cases/conformance/salsa/npm-install.js (1 errors) ====
function Installer () {
this.args = 0
}
Installer.prototype.loadArgMetadata = function (next) {
// ArrowFunction isn't treated as a this-container
(args) => {
this.args = 'hi'
~~~~~~~~~
!!! error TS2322: Type 'string' is not assignable to type 'number'.
this.newProperty = 1
}
}
var i = new Installer()
i.newProperty = i.args // ok, number ==> number | undefined
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