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32 lines
1.2 KiB
Rust
32 lines
1.2 KiB
Rust
//! Build script for the `quotesdb` crate.
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//!
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//! Reads `api/openapi.yaml`, parses it into a `serde_json::Value`, and writes
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//! compact JSON to `$OUT_DIR/openapi.json` at compile time.
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//!
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//! The API handler uses the output via:
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//! ```ignore
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//! const OPENAPI_JSON: &str = include_str!(concat!(env!("OUT_DIR"), "/openapi.json"));
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//! ```
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//!
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//! Using `serde_yaml` as a build-dependency only means it never enters the
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//! Workers binary or native binary — zero runtime cost. The conversion runs
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//! only when `api/openapi.yaml` changes, thanks to `cargo:rerun-if-changed`.
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use std::{env, fs, path::Path};
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fn main() {
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// Re-run this script whenever the OpenAPI spec changes.
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println!("cargo:rerun-if-changed=api/openapi.yaml");
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let yaml = fs::read_to_string("api/openapi.yaml").expect("failed to read api/openapi.yaml");
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let value: serde_json::Value =
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serde_yaml::from_str(&yaml).expect("failed to parse api/openapi.yaml");
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let json = serde_json::to_string(&value).expect("JSON serialisation failed");
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let out_dir = env::var("OUT_DIR").expect("OUT_DIR not set");
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let out_path = Path::new(&out_dir).join("openapi.json");
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fs::write(&out_path, json).expect("failed to write openapi.json");
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}
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