microsoft/vscode-json-languageservice

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JSON language service extracted from VSCode to be reused, e.g in the Monaco editor.

Stars: 326
Forks: 145
Open beginner issues: 0
Indexed issues: 74
Avg merge: 22h 10m
Merged PRs (30d): 9

Dominant language: TypeScript
License: No license data
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted

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74 open issues indexed

Resolved schema caching not working when $id is set to retrieval URI Open

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

microsoft/vscode-json-languageservice#356 · 2 comments · Opened Aug 30, 2026
Resolving a root-level $ref destroys the "definitions" that other $refs in the same document point to Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

microsoft/vscode-json-languageservice#355 · Opened Aug 28, 2026
Local json schema validation not working since vscode 1.130+ (6.0.0-next.2) Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

microsoft/vscode-json-languageservice#354 · 1 comment · Opened Aug 26, 2026
Concurrent schema resolutions can complete before shared nested refs resolve Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

microsoft/vscode-json-languageservice#350 · 1 comment · Opened Aug 20, 2026
Hover does not show `default`, `examples`, `readOnly` or `writeOnly` Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

microsoft/vscode-json-languageservice#346 · Opened Aug 17, 2026
Base URI is determined incorrectly for local file schemas Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

microsoft/vscode-json-languageservice#344 · 7 comments · 1 reaction · Opened Jul 19, 2026
2019-09: isKeywordEnabled does an O(vocabularies) scan per keyword Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

microsoft/vscode-json-languageservice#332 · Opened Jul 6, 2026
2019-09: meta-schema fetched on every resolution with $schema Open

microsoft/vscode-json-languageservice#331 · 1 reaction · 2 assignees · Opened Jul 6, 2026
2019-09: `dependencies` silently disabled for schemas without $schema Open

microsoft/vscode-json-languageservice#329 · 2 comments · 1 reaction · 2 assignees · Opened Jul 6, 2026
Automatic unpacking of compressed schema files Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

microsoft/vscode-json-languageservice#324 · Opened Apr 29, 2026
Add failing test demonstrating missing $dynamicRef support (Draft 2020-12) Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

microsoft/vscode-json-languageservice#323 · Opened Apr 9, 2026
IntelliSense incorrectly narrows anyOf branches when one variant requires additional properties Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

microsoft/vscode-json-languageservice#307 · 3 comments · 1 reaction · Opened Jan 24, 2026
Support for custom field ordering for sort document Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

microsoft/vscode-json-languageservice#302 · Opened Jan 12, 2026
Order fileMatches from more specific to more generic Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/vscode-json-languageservice#293 · Opened Nov 1, 2025
Distinguish between schema value completion types (e.g. enum and default/example values) Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/vscode-json-languageservice#291 · Opened Oct 22, 2025
support unevaluatedProperties Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

microsoft/vscode-json-languageservice#290 · 2 comments · Opened Oct 14, 2025
Add support for `format: "regex"` in strings Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/vscode-json-languageservice#289 · 4 comments · Opened Oct 8, 2025
Support for JSONL / NDJSON Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/vscode-json-languageservice#285 · 2 comments · 2 reactions · Opened Sep 10, 2025
Sorting should respecing `keepLines` option from json formatter Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/vscode-json-languageservice#282 · Opened Aug 3, 2025
Percent-encoded fragment identifiers in $ref are not resolved in JSON Schema files Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

microsoft/vscode-json-languageservice#281 · 1 comment · 1 reaction · Opened Jul 15, 2025
Suggest truncates when there's room sometimes but not others Open

bug

microsoft/vscode-json-languageservice#300 · 2 comments · 1 assignee · Opened Jul 10, 2025
JSON Schema validation fails silently on very large files Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-json-languageservice#280 · Opened Jul 4, 2025
getMatchingSchemas wrongly matches schemas with pattern Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

microsoft/vscode-json-languageservice#277 · Opened Jun 20, 2025
Schema URIs are _identifiers_ - often but not always _locators_ Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

microsoft/vscode-json-languageservice#275 · 1 comment · 2 reactions · Opened Jun 13, 2025
When used with monaco-languageclient does not provides auto-completion and proper intellisense for tsconfig files Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/vscode-json-languageservice#270 · 1 comment · Opened May 29, 2025
doNotSuggest for values Open

feature-request

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/vscode-json-languageservice#267 · 5 comments · Opened May 13, 2025
Sort fails with objects that have nested trailing commas Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/vscode-json-languageservice#266 · 9 reactions · Opened Apr 30, 2025
[json] JSON Schema Description Dollar Sign Needs To Be Escaped Open

bug

microsoft/vscode-json-languageservice#265 · 1 comment · 1 assignee · Opened Apr 28, 2025
Let contributors suggest array item completions Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-json-languageservice#263 · Opened Apr 25, 2025
[Bug report] Cannot format large json document Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

microsoft/vscode-json-languageservice#262 · Opened Apr 17, 2025
Feature Request: Group Aware Sort JSON Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-json-languageservice#256 · 1 reaction · Opened Jan 3, 2025
JSON sort changed behaviour to case sensitive Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

microsoft/vscode-json-languageservice#244 · 2 comments · 1 reaction · Opened Sep 24, 2024
JSON schema validation does not work for array items when in a combined schema Open

bug

microsoft/vscode-json-languageservice#231 · 9 comments · 1 assignee · Opened Apr 26, 2024
`$id` still not supported Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/vscode-json-languageservice#224 · 5 comments · 13 reactions · Opened Mar 5, 2024
`getInfoContribution` is not composable Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/vscode-json-languageservice#221 · 1 comment · Opened Feb 20, 2024
Validation of uri-reference format does not seem to work well Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/vscode-json-languageservice#214 · Opened Nov 15, 2023
JSON Schema meta-schemas should not be downloaded Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-json-languageservice#212 · 3 reactions · Opened Oct 10, 2023
Support `title` schema property in completion items Open

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

microsoft/vscode-json-languageservice#209 · 3 reactions · Opened Oct 5, 2023
Intellisense is missing JSON Schema versions 2019-09, 2020-12 Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

microsoft/vscode-json-languageservice#208 · 5 comments · 23 reactions · Opened Sep 27, 2023
How to: $ref to external schemas in VSC Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/vscode-json-languageservice#207 · 2 reactions · Opened Sep 26, 2023
Regression: Problems loading reference schemaservice Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-json-languageservice#206 · Opened Sep 19, 2023
code completion breaks when anyOf defines `required` properties. Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

microsoft/vscode-json-languageservice#205 · 2 comments · 3 reactions · Opened Sep 8, 2023
anyOf error messaging is broken Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/vscode-json-languageservice#204 · 4 reactions · Opened Sep 8, 2023
insertFinalNewline should default to true Open

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

microsoft/vscode-json-languageservice#203 · 2 reactions · Opened Sep 8, 2023
Package exports are problematic Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/vscode-json-languageservice#200 · 2 comments · 1 reaction · Opened Aug 4, 2023
Validation of uuid format not working Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

microsoft/vscode-json-languageservice#198 · 1 reaction · Opened Jul 26, 2023
Unexpected token after updating to 5.3.5 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/vscode-json-languageservice#195 · 1 comment · Opened Jun 19, 2023
Make JSONSchemaService an API Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/vscode-json-languageservice#186 · 6 reactions · Opened Mar 28, 2023
Request textDocument/documentSymbol failed. - Cannot read properties of undefined (reading 'range') Open

bug

microsoft/vscode-json-languageservice#182 · 1 assignee · Opened Mar 21, 2023
Assigning $ref to a path that has a pound sign throws an error Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

microsoft/vscode-json-languageservice#180 · 1 comment · Opened Mar 9, 2023

microsoft/vscode-json-languageservice

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