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[WIP] Explore persisting queries #95

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7850d2b
Explore persisting query
captbaritone Jan 3, 2024
0b66894
Pass variables
captbaritone Jan 3, 2024
b9fad47
Start exploring "used schema"
captbaritone Feb 5, 2024
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108 changes: 108 additions & 0 deletions examples/yoga/persisted/MyQuery.ts
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Original file line number Diff line number Diff line change
@@ -0,0 +1,108 @@
import { getSchema } from "./../schema";
import { DocumentNode, execute } from "graphql";
const schema = getSchema();
const doc: DocumentNode = {
kind: "Document",
definitions: [
{
kind: "OperationDefinition",
operation: "query",
name: {
kind: "Name",
value: "MyQuery"
},
variableDefinitions: [],
directives: [],
selectionSet: {
kind: "SelectionSet",
selections: [
{
kind: "Field",
alias: undefined,
name: {
kind: "Name",
value: "me"
},
arguments: [],
directives: [],
selectionSet: {
kind: "SelectionSet",
selections: [
{
kind: "Field",
alias: undefined,
name: {
kind: "Name",
value: "groups"
},
arguments: [],
directives: [],
selectionSet: {
kind: "SelectionSet",
selections: [
{
kind: "Field",
alias: undefined,
name: {
kind: "Name",
value: "name"
},
arguments: [],
directives: [],
selectionSet: {
kind: "SelectionSet",
selections: [
{
kind: "Field",
alias: undefined,
name: {
kind: "Name",
value: "description"
},
arguments: [],
directives: [],
selectionSet: undefined
},
{
kind: "Field",
alias: undefined,
name: {
kind: "Name",
value: "members"
},
arguments: [],
directives: [],
selectionSet: {
kind: "SelectionSet",
selections: [
{
kind: "Field",
alias: undefined,
name: {
kind: "Name",
value: "name"
},
arguments: [],
directives: [],
selectionSet: undefined
}
]
}
}
]
}
}
]
}
}
]
}
}
]
}
}
]
} as DocumentNode;
export function executeOperation(variables: any) {
return execute({ schema: schema, document: doc, variableValues: variables });
}
12 changes: 12 additions & 0 deletions examples/yoga/query.graphql
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Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
query MyQuery {
me {
groups {
name {
description
members {
name
}
}
}
}
}
47 changes: 45 additions & 2 deletions src/cli.ts
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
#!/usr/bin/env node

import { Location } from "graphql";
import { Location, parse } from "graphql";
import { getParsedTsConfig } from "./";
import {
SchemaAndDoc,
Expand All @@ -9,13 +9,15 @@ import {
} from "./lib";
import { Command } from "commander";
import { writeFileSync } from "fs";
import { resolve, dirname } from "path";
import { resolve, dirname, join } from "path";
import { version } from "../package.json";
import { locate } from "./Locate";
import { printGratsSDL, printExecutableSchema } from "./printSchema";
import * as ts from "typescript";
import { ReportableDiagnostics } from "./utils/DiagnosticError";
import { ConfigOptions, ParsedCommandLineGrats } from "./gratsConfig";
import * as fs from "fs";
import { queryCodegen } from "./queryCodegen";

const program = new Command();

Expand Down Expand Up @@ -63,6 +65,47 @@ program
console.log(formatLoc(loc.value));
});

program
.command("persist")
.argument("<OPERATION_TEXT>", "Text of the GraphQL operation to persist")
.option(
"--tsconfig <TSCONFIG>",
"Path to tsconfig.json. Defaults to auto-detecting based on the current working directory",
)
.action((operationText, { tsconfig }) => {
const { config, configPath } = getTsConfigOrReportAndExit(tsconfig);

const schemaAndDocResult = buildSchemaAndDocResult(config);
if (schemaAndDocResult.kind === "ERROR") {
console.error(
schemaAndDocResult.err.formatDiagnosticsWithColorAndContext(),
);
process.exit(1);
}

if (operationText === "-") {
operationText = fs.readFileSync(0, "utf-8");
}

const doc = parse(operationText, { noLocation: true });

if (doc.definitions.length !== 1) {
throw new Error("Expected exactly one definition in the document");
}
if (doc.definitions[0].kind !== "OperationDefinition") {
throw new Error("Expected the definition to be an operation");
}
const name = doc.definitions[0].name?.value;

const destDir = resolve(dirname(configPath), `./persisted`);
const dest = join(destDir, `${name}.ts`);
const result = queryCodegen(config.raw.grats, configPath, dest, doc);

fs.mkdirSync(destDir, { recursive: true });
writeFileSync(dest, result);
console.error(`Grats: Wrote TypeScript operation to \`${dest}\`.`);
});

program.parse();

/**
Expand Down
2 changes: 1 addition & 1 deletion src/codegen.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,7 @@ export function codegen(schema: GraphQLSchema, destination: string): string {
return codegen.print();
}

class Codegen {
export class Codegen {
_schema: GraphQLSchema;
_destination: string;
_imports: ts.Statement[] = [];
Expand Down
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