1074819be3
* Do not add undefined for this assignments in functions * Test:constructor functions with --strict * First draft -- works, but needs a stricter check added * Update baselines * Make undefined-skip stricter and more efficient Symbol-based now instead of syntactic * Exclude prototype function assignments * Add explanatory comment
30 lines
456 B
TypeScript
30 lines
456 B
TypeScript
// @noEmit: true
|
|
// @allowJs: true
|
|
// @checkJs: true
|
|
// @strict: true
|
|
// @noImplicitThis: false
|
|
// @Filename: a.js
|
|
|
|
|
|
/** @param {number} x */
|
|
function C(x) {
|
|
this.x = x
|
|
}
|
|
C.prototype.m = function() {
|
|
this.y = 12
|
|
}
|
|
var c = new C(1)
|
|
c.x = undefined // should error
|
|
c.y = undefined // ok
|
|
|
|
/** @param {number} x */
|
|
function A(x) {
|
|
if (!(this instanceof A)) {
|
|
return new A(x)
|
|
}
|
|
this.x = x
|
|
}
|
|
var k = A(1)
|
|
var j = new A(2)
|
|
k.x === j.x
|