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8.4 KiB
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8.4 KiB
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{"version":3,"file":"paths-object.mjs","sources":["../../src/transform/paths-object.ts"],"sourcesContent":["import { performance } from \"node:perf_hooks\";\nimport ts from \"typescript\";\nimport { addJSDocComment, oapiRef, stringToAST, tsModifiers, tsPropertyIndex } from \"../lib/ts.js\";\nimport { createRef, debug, getEntries } from \"../lib/utils.js\";\nimport type {\n GlobalContext,\n OperationObject,\n ParameterObject,\n PathItemObject,\n PathsObject,\n ReferenceObject,\n} from \"../types.js\";\nimport transformPathItemObject, { type Method } from \"./path-item-object.js\";\n\nconst PATH_PARAM_RE = /\\{[^}]+\\}/g;\n\n/**\n * Transform the PathsObject node (4.8.8)\n * @see https://spec.openapis.org/oas/v3.1.0#operation-object\n */\nexport default function transformPathsObject(pathsObject: PathsObject, ctx: GlobalContext): ts.TypeNode {\n const type: ts.TypeElement[] = [];\n for (const [url, pathItemObject] of getEntries(pathsObject, ctx)) {\n if (!pathItemObject || typeof pathItemObject !== \"object\") {\n continue;\n }\n\n const pathT = performance.now();\n\n // handle $ref\n if (\"$ref\" in pathItemObject) {\n const property = ts.factory.createPropertySignature(\n /* modifiers */ tsModifiers({ readonly: ctx.immutable }),\n /* name */ tsPropertyIndex(url),\n /* questionToken */ undefined,\n /* type */ oapiRef(pathItemObject.$ref),\n );\n addJSDocComment(pathItemObject, property);\n type.push(property);\n } else {\n const pathItemType = transformPathItemObject(pathItemObject, {\n path: createRef([\"paths\", url]),\n ctx,\n });\n\n // pathParamsAsTypes\n if (ctx.pathParamsAsTypes && url.includes(\"{\")) {\n const pathParams = extractPathParams(pathItemObject, ctx);\n const matches = url.match(PATH_PARAM_RE);\n let rawPath = `\\`${url}\\``;\n if (matches) {\n for (const match of matches) {\n const paramName = match.slice(1, -1);\n const param = pathParams[paramName];\n switch (param?.schema?.type) {\n case \"number\":\n case \"integer\":\n rawPath = rawPath.replace(match, \"${number}\");\n break;\n case \"boolean\":\n rawPath = rawPath.replace(match, \"${boolean}\");\n break;\n default:\n rawPath = rawPath.replace(match, \"${string}\");\n break;\n }\n }\n // note: creating a string template literal’s AST manually is hard!\n // just pass an arbitrary string to TS\n const pathType = (stringToAST(rawPath)[0] as any)?.expression;\n if (pathType) {\n type.push(\n ts.factory.createIndexSignature(\n /* modifiers */ tsModifiers({ readonly: ctx.immutable }),\n /* parameters */ [\n ts.factory.createParameterDeclaration(\n /* modifiers */ undefined,\n /* dotDotDotToken */ undefined,\n /* name */ \"path\",\n /* questionToken */ undefined,\n /* type */ pathType,\n /* initializer */ undefined,\n ),\n ],\n /* type */ pathItemType,\n ),\n );\n continue;\n }\n }\n }\n\n type.push(\n ts.factory.createPropertySignature(\n /* modifiers */ tsModifiers({ readonly: ctx.immutable }),\n /* name */ tsPropertyIndex(url),\n /* questionToken */ undefined,\n /* type */ pathItemType,\n ),\n );\n\n debug(`Transformed path \"${url}\"`, \"ts\", performance.now() - pathT);\n }\n }\n\n return ts.factory.createTypeLiteralNode(type);\n}\n\nfunction extractPathParams(pathItemObject: PathItemObject, ctx: GlobalContext) {\n const params: Record<string, ParameterObject> = {};\n for (const p of pathItemObject.parameters ?? 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