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0.1.3
Generate Gleam code from OpenAPI 3.x specifications
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src/oaspec_ffi.mjs
// JavaScript-target counterparts for the helpers exposed in
// oaspec_ffi.erl. Only functions actually called from cross-target
// Gleam modules need a JS implementation; the BEAM-only CLI helpers
// (find_executable, run_executable, is_stdout_tty, no_color_set) are
// not declared with a JS @external and therefore do not need a JS
// version here.
export function monotonic_ms() {
// performance.now() is monotonic (unaffected by system clock changes)
// and available in modern Node (>= 16) and all browsers. Fall back to
// Date.now() if performance is somehow unavailable; the elapsed-time
// semantics tolerate the slight loss of monotonicity for the brief
// intervals oaspec actually measures.
const ms =
typeof performance !== "undefined" &&
typeof performance.now === "function"
? performance.now()
: Date.now();
return Math.trunc(ms);
}
// Format an integer as a decimal string. Mirrors `erlang:integer_to_binary/1`
// for cross-target use in places where `gleam/int.to_string` is not in
// scope (e.g. inside diagnostic constructors).
export function integer_to_string(n) {
return String(n);
}
// Run a thunk and report (panicked, message) to the caller. Mirrors
// the BEAM implementation in `oaspec_ffi.erl`. Used by tests that
// exercise functions which intentionally panic on invalid input.
export function capture_panic(thunk) {
try {
thunk();
return [false, ""];
} catch (error) {
let message;
if (error && typeof error === "object" && error.message) {
message = error.message;
} else {
message = String(error);
}
return [true, message];
}
}