8 lines
2.9 KiB
Plaintext
8 lines
2.9 KiB
Plaintext
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{
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"version": 3,
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"sources": ["https://deno.land/x/fresh@1.4.2/src/runtime/deserializer.ts"],
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"sourcesContent": ["// Run `deno run -A npm:esbuild --minify src/runtime/deserializer.ts` to minify\n// this file. It is embedded into src/server/deserializer_code.ts.\n\nexport const KEY = \"_f\";\n\ninterface Signal<T> {\n peek(): T;\n value: T;\n}\n\nfunction b64decode(b64: string): Uint8Array {\n const binString = atob(b64);\n const size = binString.length;\n const bytes = new Uint8Array(size);\n for (let i = 0; i < size; i++) {\n bytes[i] = binString.charCodeAt(i);\n }\n return bytes;\n}\n\nexport function deserialize(\n str: string,\n signal?: <T>(a: T) => Signal<T>,\n): unknown {\n function reviver(this: unknown, _key: string, value: unknown): unknown {\n if (typeof value === \"object\" && value && KEY in value) {\n // deno-lint-ignore no-explicit-any\n const v: any = value;\n if (v[KEY] === \"s\") {\n return signal!(v.v);\n }\n if (v[KEY] === \"b\") {\n return BigInt(v.d);\n }\n if (v[KEY] === \"u8a\") {\n return b64decode(v.d);\n }\n if (v[KEY] === \"l\") {\n const val = v.v;\n val[KEY] = v.k;\n return val;\n }\n throw new Error(`Unknown key: ${v[KEY]}`);\n }\n return value;\n }\n\n const { v, r } = JSON.parse(str, reviver);\n const references = (r ?? []) as [string[], ...string[][]][];\n for (const [targetPath, ...refPaths] of references) {\n const target = targetPath.reduce((o, k) => k === null ? o : o[k], v);\n for (const refPath of refPaths) {\n if (refPath.length === 0) throw new Error(\"Invalid reference\");\n // set the reference to the target object\n const parent = refPath.slice(0, -1).reduce(\n (o, k) => k === null ? o : o[k],\n v,\n );\n parent[refPath[refPath.length - 1]!] = target;\n }\n }\n return v;\n}\n"],
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"names": ["v"]
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}
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