@jplorg/jpl
Version:
JPL interpreter
38 lines (37 loc) • 1.39 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _utils = require("./utils");
var _default = exports.default = {
/** { ifs: [{ if: [op], then: [op] }], else: [op] } */
op(runtime, input, params, scope, next) {
const iter = async from => {
// Call stack decoupling - This is necessary as some browsers (i.e. Safari) have very limited call stack sizes which result in stack overflow exceptions in certain situations.
await undefined;
scope.signal.checkHealth();
if (from >= (params.ifs?.length ?? 0)) {
return runtime.executeInstructions(params.else ?? [], [input], scope, output => next(output, scope));
}
const condition = params.ifs[from];
return runtime.executeInstructions(condition.if ?? [], [input], scope, result => {
if (runtime.truthy(result)) {
return runtime.executeInstructions(condition.then ?? [], [input], scope, output => next(output, scope));
}
return iter(from + 1);
});
};
return iter(0);
},
/** { ifs: [{ if: function, then: function }], else: function } */
map(runtime, params) {
return {
ifs: runtime.muxOne([params.ifs], entry => ({
if: (0, _utils.call)(entry.if),
then: (0, _utils.call)(entry.then)
})),
else: (0, _utils.call)(params.else)
};
}
};