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i < n; i++) {\n if (i > 0)\n parts.push(\n pick([{ t: \"line\" }, { t: \"softline\" }, { t: \"hardline\" }]),\n );\n parts.push(next());\n }\n return { t: \"fill\", p: parts };\n }\n if (r < 0.68) return { t: \"indent\", c: next() };\n if (r < 0.74)\n return {\n t: \"align\",\n n: pick([\n 1,\n 2,\n 3,\n -1,\n \"root\",\n \"dedentToRoot\",\n \"> \",\n ]) as Json,\n c: next(),\n };\n if (r < 0.84) {\n let doc: Json = { t: \"ifBreak\", b: next(), f: next() };\n if (random() < 0.5) doc.id = Math.floor(random() * 4);\n return doc;\n }\n if (r < 0.88)\n return {\n t: \"indentIfBreak\",\n c: next(),\n id: Math.floor(random() * 4),\n neg: random() < 0.3,\n };\n if (r < 0.94) return { t: \"lineSuffix\", c: next() };\n return next();\n}\n\nfunction toPrettier(\n json: Json,\n ids: Map,\n defs: unknown[],\n): unknown {\n if (typeof json === \"string\") return json;\n if (Array.isArray(json))\n return json.map((part) => toPrettier(part, ids, defs));\n let to = (value: Json) => toPrettier(value, ids, defs);\n let id = (value: unknown) => {\n if (typeof value !== \"number\") return undefined;\n if (!ids.has(value)) ids.set(value, Symbol(String(value)));\n return ids.get(value);\n };\n switch (json.t) {\n case \"ref\":\n return defs[json.i as number];\n case \"group\":\n if (json.s)\n return b.conditionalGroup((json.s as Json[]).map(to) as never);\n return b.group(to(json.c as Json) as never, {\n shouldBreak: Boolean(json.b),\n id: id(json.id),\n });\n case \"fill\":\n return b.fill((json.p as Json[]).map(to) as never);\n case \"indent\":\n return b.indent(to(json.c as Json) as never);\n case \"align\": {\n let n = json.n;\n let contents = to(json.c as Json) as never;\n if (n === \"root\") return b.markAsRoot(contents);\n if (n === \"dedentToRoot\") return b.dedentToRoot(contents);\n return b.align(n as never, contents);\n }\n case \"ifBreak\":\n return b.ifBreak(\n to(json.b as Json) as never,\n to(json.f as Json) as never,\n { groupId: id(json.id) },\n );\n case \"indentIfBreak\":\n return b.indentIfBreak(to(json.c as Json) as never, {\n groupId: id(json.id)!,\n negate: Boolean(json.neg),\n });\n case \"lineSuffix\":\n return b.lineSuffix(to(json.c as Json) as never);\n case \"lsb\":\n return b.lineSuffixBoundary;\n case \"line\":\n return b.line;\n case \"softline\":\n return b.softline;\n case \"hardline\":\n return b.hardline;\n case \"literalline\":\n return b.literalline;\n case \"bp\":\n return b.breakParent;\n case \"trim\":\n return b.trim;\n }\n throw new Error(`unknown ${json.t}`);\n}\n\nlet cases = [];\nlet expected: string[] = [];\nfor (let i = 0; i < count; i++) {\n let defs: Json[] = [];\n let prettierDefs: unknown[] = [];\n let ids = new Map();\n let n = Math.floor(random() * 3);\n for (let d = 0; d < n; d++) {\n let def = generate(3, d);\n defs.push(def);\n prettierDefs.push(toPrettier(def, ids, prettierDefs));\n }\n let doc = generate(6, n);\n let width = pick([0, 4, 10, 20, 40, 80]);\n let tabWidth = pick([2, 4]);\n let useTabs = random() < 0.3;\n cases.push({ doc, defs, width, tabWidth, useTabs });\n try {\n let printed = printer.printDocToString(\n toPrettier(doc, ids, prettierDefs) as never,\n {\n printWidth: width,\n tabWidth,\n useTabs,\n } as never,\n );\n expected.push(printed.formatted);\n } catch (error) {\n expected.push(`!error ${(error as Error).message}`);\n }\n}\n\nlet root = new URL(\"../..\", import.meta.url).pathname;\nlet actual: string[] =\n await $`cargo run -q -p tidy --example doc < ${new Response(JSON.stringify(cases))}`\n .cwd(root)\n .env({ ...process.env, CARGO_TARGET_DIR: `${root}target` })\n .json();\n\nlet failed = 0;\nfor (let i = 0; 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