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tests/cases/compiler/noImplicitSymbolToString.ts(6,30): error TS2731: Implicit conversion of a 'symbol' to a 'string' will fail at runtime. Consider wrapping this expression in 'String(...)'.
tests/cases/compiler/noImplicitSymbolToString.ts(7,30): error TS2469: The '+' operator cannot be applied to type 'symbol'.
tests/cases/compiler/noImplicitSymbolToString.ts(8,8): error TS2469: The '+=' operator cannot be applied to type 'symbol'.
tests/cases/compiler/noImplicitSymbolToString.ts(13,47): error TS2731: Implicit conversion of a 'symbol' to a 'string' will fail at runtime. Consider wrapping this expression in 'String(...)'.
tests/cases/compiler/noImplicitSymbolToString.ts(13,90): error TS2731: Implicit conversion of a 'symbol' to a 'string' will fail at runtime. Consider wrapping this expression in 'String(...)'.
tests/cases/compiler/noImplicitSymbolToString.ts(21,15): error TS2731: Implicit conversion of a 'symbol' to a 'string' will fail at runtime. Consider wrapping this expression in 'String(...)'.
tests/cases/compiler/noImplicitSymbolToString.ts(26,8): error TS2731: Implicit conversion of a 'symbol' to a 'string' will fail at runtime. Consider wrapping this expression in 'String(...)'.
tests/cases/compiler/noImplicitSymbolToString.ts(27,5): error TS2469: The '+' operator cannot be applied to type 'symbol'.
tests/cases/compiler/noImplicitSymbolToString.ts(28,6): error TS2469: The '+' operator cannot be applied to type 'symbol'.
tests/cases/compiler/noImplicitSymbolToString.ts(31,8): error TS2731: Implicit conversion of a 'symbol' to a 'string' will fail at runtime. Consider wrapping this expression in 'String(...)'.
tests/cases/compiler/noImplicitSymbolToString.ts(32,5): error TS2469: The '+' operator cannot be applied to type 'symbol'.
tests/cases/compiler/noImplicitSymbolToString.ts(33,6): error TS2469: The '+' operator cannot be applied to type 'symbol'.
tests/cases/compiler/noImplicitSymbolToString.ts(43,8): error TS2731: Implicit conversion of a 'symbol' to a 'string' will fail at runtime. Consider wrapping this expression in 'String(...)'.
tests/cases/compiler/noImplicitSymbolToString.ts(44,5): error TS2469: The '+' operator cannot be applied to type 'symbol'.
tests/cases/compiler/noImplicitSymbolToString.ts(45,6): error TS2469: The '+' operator cannot be applied to type 'symbol'.
==== tests/cases/compiler/noImplicitSymbolToString.ts (15 errors) ====
// Fix #19666
let symbol!: symbol;
let str = "hello ";
const templateStr = `hello ${symbol}`;
~~~~~~
!!! error TS2731: Implicit conversion of a 'symbol' to a 'string' will fail at runtime. Consider wrapping this expression in 'String(...)'.
const appendStr = "hello " + symbol;
~~~~~~
!!! error TS2469: The '+' operator cannot be applied to type 'symbol'.
str += symbol;
~~~~~~
!!! error TS2469: The '+=' operator cannot be applied to type 'symbol'.
let symbolUnionNumber!: symbol | number;
let symbolUnionString!: symbol | string;
const templateStrUnion = `union with number ${symbolUnionNumber} and union with string ${symbolUnionString}`;
~~~~~~~~~~~~~~~~~
!!! error TS2731: Implicit conversion of a 'symbol' to a 'string' will fail at runtime. Consider wrapping this expression in 'String(...)'.
~~~~~~~~~~~~~~~~~
!!! error TS2731: Implicit conversion of a 'symbol' to a 'string' will fail at runtime. Consider wrapping this expression in 'String(...)'.
// Fix #44462
type StringOrSymbol = string | symbol;
function getKey<S extends StringOrSymbol>(key: S) {
return `${key} is the key`;
~~~
!!! error TS2731: Implicit conversion of a 'symbol' to a 'string' will fail at runtime. Consider wrapping this expression in 'String(...)'.
}
function getKey1<S extends symbol>(key: S) {
let s1!: S;
`${s1}`;
~~
!!! error TS2731: Implicit conversion of a 'symbol' to a 'string' will fail at runtime. Consider wrapping this expression in 'String(...)'.
s1 + '';
~~
!!! error TS2469: The '+' operator cannot be applied to type 'symbol'.
+s1;
~~
!!! error TS2469: The '+' operator cannot be applied to type 'symbol'.
let s2!: S | string;
`${s2}`;
~~
!!! error TS2731: Implicit conversion of a 'symbol' to a 'string' will fail at runtime. Consider wrapping this expression in 'String(...)'.
s2 + '';
~~
!!! error TS2469: The '+' operator cannot be applied to type 'symbol'.
+s2;
~~
!!! error TS2469: The '+' operator cannot be applied to type 'symbol'.
}
function getKey2<S extends string>(key: S) {
let s1!: S;
`${s1}`;
s1 + '';
+s1;
let s2!: S | symbol;
`${s2}`;
~~
!!! error TS2731: Implicit conversion of a 'symbol' to a 'string' will fail at runtime. Consider wrapping this expression in 'String(...)'.
s2 + '';
~~
!!! error TS2469: The '+' operator cannot be applied to type 'symbol'.
+s2;
~~
!!! error TS2469: The '+' operator cannot be applied to type 'symbol'.
}
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