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Handle operation parsing error GraphQL #2434

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vohoanglong0107
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Summary

Handle parsing for operation in GraphQL parser

Test Plan

All the tests should pass

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CodSpeed Performance Report

Merging #2434 will not alter performance

Comparing vohoanglong0107:feat-graphql-error-parse-operation (797b369) with main (60dbf5f)

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✅ 93 untouched benchmarks

@vohoanglong0107 vohoanglong0107 force-pushed the feat-graphql-error-parse-operation branch from 5cc07f8 to 79e3871 Compare April 15, 2024 06:15
@vohoanglong0107 vohoanglong0107 force-pushed the feat-graphql-error-parse-operation branch from 79e3871 to 83949bf Compare April 15, 2024 06:31
@vohoanglong0107 vohoanglong0107 marked this pull request as ready for review April 15, 2024 06:38
@vohoanglong0107 vohoanglong0107 marked this pull request as draft April 15, 2024 06:39
@vohoanglong0107 vohoanglong0107 force-pushed the feat-graphql-error-parse-operation branch from 83949bf to 797b369 Compare April 15, 2024 06:40
@vohoanglong0107 vohoanglong0107 marked this pull request as ready for review April 15, 2024 06:59
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@ematipico ematipico left a comment

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It seems that the parser can't correctly recover itself when parsing broken directives, and it keeps creating bogus nodes. We should review that part, otherwise we risk to create a CST bigger than it should be

Comment on lines +106 to +109
GraphqlBogus {
items: [
GraphqlBogus {
items: [
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This doesn't seem right: two bogus nodes with two items

Plus, we already have GraphqlBogusSelection. I am not sure what's the recovery strategy at the moment

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The reason there is a nested bogus nodes here was because in this case:

{
  hero @deprecated(: "Deprecated")
}

The parser tried to parse (: "Deprecated") as an GraphqlArgumentList, but since this argument list has an invalid argument : "Deprecated" the entire list was turn into a bogus node, which caused @deprecated(: "Deprecated") to turn from a GraphqlDirective to a bogus node (as it contained an bogus node instead of an argument list), which turned hero @deprecated(: "Deprecated") from a GraphqlField to a bogus node, caused a series of nested bogus nodes. Do you have any suggestions on how to improve this?

Comment on lines +114 to +120
GraphqlBogus {
items: [
L_PAREN@50..51 "(" [] [],
GraphqlBogus {
items: [
GraphqlBogus {
items: [
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Same here. Ideally we should have a better recovering strategy

Comment on lines +253 to +265
},
GraphqlBogus {
items: [
GraphqlBogus {
items: [
AT@192..193 "@" [] [],
GraphqlBogus {
items: [
L_PAREN@193..194 "(" [] [],
GraphqlBogus {
items: [
GraphqlBogus {
items: [
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Maybe we should have smaller cases to better evaluate the recovery strategy. The parser seems to not know that is in recovery mode and keeps creating bogus nodes.

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It the same issue with the above but with this case:

{
  hero @(: "Deprecated"
}

@ematipico ematipico merged commit b584a88 into biomejs:main Apr 18, 2024
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@vohoanglong0107 vohoanglong0107 deleted the feat-graphql-error-parse-operation branch April 18, 2024 08:52
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2 participants