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getJSDocParameterTags: no need to handle JSDocFunctionType, just return undefined (#16837)

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* getJSDocParameterTags: no need to handle JSDocFunctionType, just return undefined

* Fix type error
This commit is contained in:
Andy 2017-07-18 10:22:52 -07:00 committed by GitHub
parent fb89d47508
commit 0a8ddca775
1 changed files with 3 additions and 21 deletions
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24
src/compiler/utilities.ts
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@ -1540,27 +1540,9 @@ namespace ts {
}
export function getJSDocParameterTags(param: ParameterDeclaration): JSDocParameterTag[] | undefined {
const func = param.parent;
const tags = getJSDocTags(func);
if (!tags) return undefined;
if (!param.name) {
// this is an anonymous jsdoc param from a `function(type1, type2): type3` specification
const paramIndex = func.parameters.indexOf(param);
Debug.assert(paramIndex !== -1);
let curParamIndex = 0;
for (const tag of tags) {
if (isJSDocParameterTag(tag)) {
if (curParamIndex === paramIndex) {
return [tag];
}
curParamIndex++;
}
}
}
else if (param.name.kind === SyntaxKind.Identifier) {
const name = (param.name as Identifier).text;
return tags.filter((tag): tag is JSDocParameterTag => isJSDocParameterTag(tag) && tag.name.text === name) as JSDocParameterTag[];
if (param.name && isIdentifier(param.name)) {
const name = param.name.text;
return getJSDocTags(param.parent).filter((tag): tag is JSDocParameterTag => isJSDocParameterTag(tag) && tag.name.text === name) as JSDocParameterTag[];
}
else {
// TODO: it's a destructured parameter, so it should look up an "object type" series of multiple lines