Closed
Description
TypeScript Version: 3.0.0-dev.20180623
Search Terms:
Code
declare function foo(name: 'a', param: { x: number }): void;
declare function foo(name: 'b', param: { y: number }): void;
declare function foo(name: string, param: any): void;
foo('a')After 'a' in the call to foo, type , then {
Expected behavior:
After typing ,, the sig help picks up that we are on the first overload. After typing the {, we still should have the first overload selected
Actual behavior:
After typing the {, we go to the generic string overload. Here are the relevant logs:
[Trace - 3:19:26 PM] Sending request: change (693). Response expected: no. Current queue length: 0
Arguments: {
"file": "/Users/matb/projects/san/b.ts",
"line": 5,
"offset": 8,
"endLine": 5,
"endOffset": 8,
"insertString": ","
}
[Trace - 3:19:26 PM] Sending request: signatureHelp (694). Response expected: yes. Current queue length: 0
Arguments: {
"file": "/Users/matb/projects/san/b.ts",
"line": 5,
"offset": 9
}
[Trace - 3:19:26 PM] Response received: signatureHelp (694). Request took 19 ms. Success: true
Result: {
"items": [
{
"isVariadic": false,
"prefixDisplayParts": [
{
"text": "foo",
"kind": "functionName"
},
{
"text": "(",
"kind": "punctuation"
}
],
"suffixDisplayParts": [
{
"text": ")",
"kind": "punctuation"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "void",
"kind": "keyword"
}
],
"separatorDisplayParts": [
{
"text": ",",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
}
],
"parameters": [
{
"name": "name",
"documentation": [],
"displayParts": [
{
"text": "name",
"kind": "parameterName"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "\"a\"",
"kind": "stringLiteral"
}
],
"isOptional": false
},
{
"name": "param",
"documentation": [],
"displayParts": [
{
"text": "param",
"kind": "parameterName"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "{",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "x",
"kind": "propertyName"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "number",
"kind": "keyword"
},
{
"text": ";",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "}",
"kind": "punctuation"
}
],
"isOptional": false
}
],
"documentation": [],
"tags": []
},
{
"isVariadic": false,
"prefixDisplayParts": [
{
"text": "foo",
"kind": "functionName"
},
{
"text": "(",
"kind": "punctuation"
}
],
"suffixDisplayParts": [
{
"text": ")",
"kind": "punctuation"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "void",
"kind": "keyword"
}
],
"separatorDisplayParts": [
{
"text": ",",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
}
],
"parameters": [
{
"name": "name",
"documentation": [],
"displayParts": [
{
"text": "name",
"kind": "parameterName"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "\"b\"",
"kind": "stringLiteral"
}
],
"isOptional": false
},
{
"name": "param",
"documentation": [],
"displayParts": [
{
"text": "param",
"kind": "parameterName"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "{",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "y",
"kind": "propertyName"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "number",
"kind": "keyword"
},
{
"text": ";",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "}",
"kind": "punctuation"
}
],
"isOptional": false
}
],
"documentation": [],
"tags": []
},
{
"isVariadic": false,
"prefixDisplayParts": [
{
"text": "foo",
"kind": "functionName"
},
{
"text": "(",
"kind": "punctuation"
}
],
"suffixDisplayParts": [
{
"text": ")",
"kind": "punctuation"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "void",
"kind": "keyword"
}
],
"separatorDisplayParts": [
{
"text": ",",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
}
],
"parameters": [
{
"name": "name",
"documentation": [],
"displayParts": [
{
"text": "name",
"kind": "parameterName"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "string",
"kind": "keyword"
}
],
"isOptional": false
},
{
"name": "param",
"documentation": [],
"displayParts": [
{
"text": "param",
"kind": "parameterName"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "any",
"kind": "keyword"
}
],
"isOptional": false
}
],
"documentation": [],
"tags": []
}
],
"applicableSpan": {
"start": {
"line": 5,
"offset": 5
},
"end": {
"line": 5,
"offset": 9
}
},
"selectedItemIndex": 0,
"argumentIndex": 1,
"argumentCount": 2
}
[Trace - 3:19:28 PM] Sending request: change (702). Response expected: no. Current queue length: 0
Arguments: {
"file": "/Users/matb/projects/san/b.ts",
"line": 5,
"offset": 9,
"endLine": 5,
"endOffset": 9,
"insertString": "{}"
}
[Trace - 3:19:28 PM] Sending request: signatureHelp (703). Response expected: yes. Current queue length: 0
Arguments: {
"file": "/Users/matb/projects/san/b.ts",
"line": 5,
"offset": 10
}
[Trace - 3:19:28 PM] Response received: signatureHelp (703). Request took 14 ms. Success: true
Result: {
"items": [
{
"isVariadic": false,
"prefixDisplayParts": [
{
"text": "foo",
"kind": "functionName"
},
{
"text": "(",
"kind": "punctuation"
}
],
"suffixDisplayParts": [
{
"text": ")",
"kind": "punctuation"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "void",
"kind": "keyword"
}
],
"separatorDisplayParts": [
{
"text": ",",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
}
],
"parameters": [
{
"name": "name",
"documentation": [],
"displayParts": [
{
"text": "name",
"kind": "parameterName"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "\"a\"",
"kind": "stringLiteral"
}
],
"isOptional": false
},
{
"name": "param",
"documentation": [],
"displayParts": [
{
"text": "param",
"kind": "parameterName"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "{",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "x",
"kind": "propertyName"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "number",
"kind": "keyword"
},
{
"text": ";",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "}",
"kind": "punctuation"
}
],
"isOptional": false
}
],
"documentation": [],
"tags": []
},
{
"isVariadic": false,
"prefixDisplayParts": [
{
"text": "foo",
"kind": "functionName"
},
{
"text": "(",
"kind": "punctuation"
}
],
"suffixDisplayParts": [
{
"text": ")",
"kind": "punctuation"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "void",
"kind": "keyword"
}
],
"separatorDisplayParts": [
{
"text": ",",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
}
],
"parameters": [
{
"name": "name",
"documentation": [],
"displayParts": [
{
"text": "name",
"kind": "parameterName"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "\"b\"",
"kind": "stringLiteral"
}
],
"isOptional": false
},
{
"name": "param",
"documentation": [],
"displayParts": [
{
"text": "param",
"kind": "parameterName"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "{",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "y",
"kind": "propertyName"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "number",
"kind": "keyword"
},
{
"text": ";",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "}",
"kind": "punctuation"
}
],
"isOptional": false
}
],
"documentation": [],
"tags": []
},
{
"isVariadic": false,
"prefixDisplayParts": [
{
"text": "foo",
"kind": "functionName"
},
{
"text": "(",
"kind": "punctuation"
}
],
"suffixDisplayParts": [
{
"text": ")",
"kind": "punctuation"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "void",
"kind": "keyword"
}
],
"separatorDisplayParts": [
{
"text": ",",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
}
],
"parameters": [
{
"name": "name",
"documentation": [],
"displayParts": [
{
"text": "name",
"kind": "parameterName"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "string",
"kind": "keyword"
}
],
"isOptional": false
},
{
"name": "param",
"documentation": [],
"displayParts": [
{
"text": "param",
"kind": "parameterName"
},
{
"text": ":",
"kind": "punctuation"
},
{
"text": " ",
"kind": "space"
},
{
"text": "any",
"kind": "keyword"
}
],
"isOptional": false
}
],
"documentation": [],
"tags": []
}
],
"applicableSpan": {
"start": {
"line": 5,
"offset": 5
},
"end": {
"line": 5,
"offset": 11
}
},
"selectedItemIndex": 2,
"argumentIndex": 1,
"argumentCount": 2
}