"Go to symbol" looks like only take care of upper cases

[hansanghoon]

• VSCode Version: Code 1.9.0 (27240e7, 2017-02-02T08:23:30.856Z)
• OS Version: Darwin x64 16.4.0
• Extensions:

Extension	Author	Version
beautify	HookyQR	0.7.3
vscode-eslint	dbaeumer	1.2.2
vscode-dash	deerawan	1.3.0
bower	donjayamanne	0.0.3
vscode-babel-coloring	dzannotti	0.0.4
debugger-for-chrome	msjsdiag	2.5.1
polymer-ide	polymer	0.3.0
java	redhat	0.0.9
elm	sbrink	0.8.3
JavaScriptSnippets	xabikos	1.2.0

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Steps to Reproduce:

1. create js file with content as below

function helloWorld1() {}
function hElloWorld2() {}
function helloWOrld3() {}
function hElloWOrld4() {}

2. type eo in cmd+shift+o and cmd+t with case combinations

typed char	@	#
eo
eO
Eo
EO

I only ran tests for a single file case, but something isn't right... only hElloWOrld4 got attention and even worse, Go to symbol in workspace sometimes shows no result.

[bpasero]

@aeschli for if we do something bad in the open symbol filtering and @waderyan to see if this is a bug in TypeScript actually. I suspect the latter.

[aeschli]

@bpasero That's a long time ago since I touched that code. I suggest @mjbvz and @waderyan have a look.

[mjbvz]

The root cause is that workspace and document symbol search use different filtering logic.

For symbol search in a document, we take all symbols in the document and filter the results down on the VSCode side. For workspace symbol search, we send a search term to TypeScript who returns an already filtered list of results

I've opened microsoft/TypeScript#13909 to track fuzzier matches on the TypeScript side