const definitions = require("../src/definitions");
|
const flatMap = require("array.prototype.flatmap");
|
const { typeSignature, mapProps, iterateProps, unique } = require("./util");
|
|
const stdout = process.stdout;
|
|
function params(fields) {
|
return mapProps(fields)
|
.map(typeSignature)
|
.join(",");
|
}
|
|
function generate() {
|
stdout.write(`
|
// @flow
|
/* eslint no-unused-vars: off */
|
|
// THIS FILE IS AUTOGENERATED
|
// see scripts/generateTypeDefinitions.js
|
`);
|
|
// generate union types
|
const unionTypes = unique(
|
flatMap(mapProps(definitions).filter(d => d.unionType), d => d.unionType)
|
);
|
unionTypes.forEach(unionType => {
|
stdout.write(
|
`type ${unionType} = ` +
|
mapProps(definitions)
|
.filter(d => d.unionType && d.unionType.includes(unionType))
|
.map(d => d.name)
|
.join("|") +
|
";\n\n"
|
);
|
});
|
|
// generate the type definitions
|
iterateProps(definitions, typeDef => {
|
stdout.write(`type ${typeDef.name} = {
|
...BaseNode,
|
type: "${typeDef.name}",
|
${params(typeDef.fields)}
|
};\n\n`);
|
});
|
}
|
|
generate();
|
