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Fix autocomplete suggestion
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fixes graphql#3553
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@rrousselGit
rrousselGit committed Mar 6, 2024
1 parent ece99f6 commit 5ec5b33
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Showing 2 changed files with 118 additions and 16 deletions.
80 changes: 68 additions & 12 deletions packages/graphql-language-service/src/interface/getAutocompleteSuggestions.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,9 @@ import {
RuleKinds,
RuleKind,
ContextTokenForCodeMirror,
ParserOptions,
LexRules,
ParseRules,
} from '../parser';

import {
Expand Down Expand Up @@ -968,18 +971,70 @@ export function getTokenAtPosition(
let styleAtCursor = null;
let stateAtCursor = null;
let stringAtCursor = null;
const token = runOnlineParser(queryText, (stream, state, style, index) => {
if (
index !== cursor.line ||
stream.getCurrentPosition() + offset < cursor.character + 1
) {
return;

/** Returns whether a token is before, at or after the cursor */
function compareTokenPositionToCursor(
line: number,
col: number,
): 'before' | 'at' | 'after' {
if (line < cursor.line) {
return 'before';
}
styleAtCursor = style;
stateAtCursor = { ...state };
stringAtCursor = stream.current();
return 'BREAK';
});
if (line > cursor.line) {
return 'after';
}

if (col < cursor.character) {
return 'before';
}
if (col > cursor.character) {
return 'after';
}
return 'at';
}

let lastString: string | null = null;
let lastState: State | null = null;
let lastStyle: string | null = null;
const token = runOnlineParser(
queryText,
(stream, state, style, index) => {
const compare = compareTokenPositionToCursor(
index,
stream.getCurrentPosition() + offset,
);

if (compare === 'before') {
// The token is before the cursor, keep track of it
lastState = state;
lastStyle = style;
lastString = stream.current();
return;
}

// The token is at or after the cursor, we return the last token before the cursor
if (
index !== cursor.line ||
stream.getCurrentPosition() + offset < cursor.character + 1
) {
return;
}

styleAtCursor = lastStyle;
stateAtCursor = { ...lastState };
stringAtCursor = lastString;
return 'BREAK';
},
{
// Don't swallow whitespace to have the token positions match that of the
// original query text, so we can compare them with the cursor position.
eatWhitespace: () => false,
// TODO should ParserOptions have optional fields instead?
lexRules: LexRules,
parseRules: ParseRules,
editorConfig: {},
},
);

// Return the state/style of parsed token in case those at cursor aren't
// available.
Expand Down Expand Up @@ -1009,9 +1064,10 @@ type callbackFnType = (
export function runOnlineParser(
queryText: string,
callback: callbackFnType,
options?: ParserOptions,
): ContextToken {
const lines = queryText.split('\n');
const parser = onlineParser();
const parser = onlineParser(options);
let state = parser.startState();
let style = '';

Expand Down
54 changes: 50 additions & 4 deletions yarn.lock
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Original file line number Diff line number Diff line change
Expand Up @@ -6050,6 +6050,34 @@
loupe "^2.3.6"
pretty-format "^27.5.1"

"@vscode/vsce@^2.19.0", "@vscode/vsce@^2.23.0":
version "2.24.0"
resolved "https://registry.yarnpkg.com/@vscode/vsce/-/vsce-2.24.0.tgz#7f835b9fdd5bfedcecd62a6c4d684841a74974d4"
integrity sha512-p6CIXpH5HXDqmUkgFXvIKTjZpZxy/uDx4d/UsfhS9vQUun43KDNUbYeZocyAHgqcJlPEurgArHz9te1PPiqPyA==
dependencies:
azure-devops-node-api "^11.0.1"
chalk "^2.4.2"
cheerio "^1.0.0-rc.9"
commander "^6.2.1"
glob "^7.0.6"
hosted-git-info "^4.0.2"
jsonc-parser "^3.2.0"
leven "^3.1.0"
markdown-it "^12.3.2"
mime "^1.3.4"
minimatch "^3.0.3"
parse-semver "^1.1.1"
read "^1.0.7"
semver "^7.5.2"
tmp "^0.2.1"
typed-rest-client "^1.8.4"
url-join "^4.0.1"
xml2js "^0.5.0"
yauzl "^2.3.1"
yazl "^2.2.2"
optionalDependencies:
keytar "^7.7.0"

"@vscode/vsce@^2.22.1-2":
version "2.22.1-2"
resolved "https://registry.yarnpkg.com/@vscode/vsce/-/vsce-2.22.1-2.tgz#0f272f97b23986366ea97e29721cb28410b9af68"
Expand Down Expand Up @@ -10698,6 +10726,11 @@ follow-redirects@^1.0.0, follow-redirects@^1.14.0:
resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.15.0.tgz#06441868281c86d0dda4ad8bdaead2d02dca89d4"
integrity sha512-aExlJShTV4qOUOL7yF1U5tvLCB0xQuudbf6toyYA0E/acBNw71mvjFTnLaRp50aQaYocMR0a/RMMBIHeZnGyjQ==

follow-redirects@^1.13.2:
version "1.15.5"
resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.15.5.tgz#54d4d6d062c0fa7d9d17feb008461550e3ba8020"
integrity sha512-vSFWUON1B+yAw1VN4xMfxgn5fTUiaOzAJCKBwIIgT/+7CuGy9+r+5gITvP62j3RmaD5Ph65UaERdOSRGUzZtgw==

follow-redirects@^1.14.6:
version "1.15.2"
resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.15.2.tgz#b460864144ba63f2681096f274c4e57026da2c13"
Expand Down Expand Up @@ -15287,15 +15320,28 @@ outdent@^0.5.0:
resolved "https://registry.yarnpkg.com/outdent/-/outdent-0.5.0.tgz#9e10982fdc41492bb473ad13840d22f9655be2ff"
integrity sha512-/jHxFIzoMXdqPzTaCpFzAAWhpkSjZPF4Vsn6jAfNpmbH/ymsmd7Qc6VE9BGn0L6YMj6uwpQLxCECpus4ukKS9Q==

ovsx@0.5.1:
version "0.5.1"
resolved "https://registry.yarnpkg.com/ovsx/-/ovsx-0.5.1.tgz#3a8c2707ea120d542d1d226a47f24ac47b078710"
integrity sha512-3OWq0l7DuVHi2bd2aQe5+QVQlFIqvrcw3/2vGXL404L6Tr+R4QHtzfnYYghv8CCa85xJHjU0RhcaC7pyXkAUbg==
ovsx@0.8.3:
version "0.8.3"
resolved "https://registry.yarnpkg.com/ovsx/-/ovsx-0.8.3.tgz#3c67a595e423f3f70a3d62da3735dd07dfbca69f"
integrity sha512-LG7wTzy4eYV/KolFeO4AwWPzQSARvCONzd5oHQlNvYOlji2r/zjbdK8pyObZN84uZlk6rQBWrJrAdJfh/SX0Hg==
dependencies:
"@vscode/vsce" "^2.19.0"
commander "^6.1.0"
follow-redirects "^1.14.6"
is-ci "^2.0.0"
leven "^3.1.0"
semver "^7.5.2"
tmp "^0.2.1"

ovsx@^0.3.0:
version "0.3.0"
resolved "https://registry.yarnpkg.com/ovsx/-/ovsx-0.3.0.tgz#2f30c80c90fbe3c8fc406730c35371219187ca0a"
integrity sha512-UjZjzLt6Iq7LS/XFvEuBAWyn0zmsZEe8fuy5DsbcsIb0mW7PbVtB5Dhe4HeK7NJM228nyhYXC9WCeyBoMi4M3A==
dependencies:
commander "^6.1.0"
follow-redirects "^1.13.2"
is-ci "^2.0.0"
leven "^3.1.0"
tmp "^0.2.1"
vsce "^2.6.3"

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