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generate.js
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generate.js
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'use strict';
let sigs = require('./_rpc-signatures.json');
let names = Object.keys(sigs);
function sortNewSigs() {
names.sort();
/** @type {Object.<String, String>} */
let orderedSigs = {};
for (let name of names) {
orderedSigs[name] = sigs[name];
}
let sigsJson = JSON.stringify(orderedSigs, null, 2);
console.info(sigsJson);
}
if (false) {
sortNewSigs();
return;
}
function generateFunctions() {
for (let name of names) {
let typesStr = sigs[name];
let fnStr = generateFunction(name, typesStr);
console.info(fnStr);
console.info();
}
}
let rpcTypeMap = {
int: 'Number',
float: 'Number',
str: 'String',
bool: 'Boolean',
obj: 'Object.<String, any>',
int_str: 'Number|String',
};
function generateFunction(name, typesStr) {
let argTypes = typesStr.split(' ');
if (argTypes[0] === '') {
argTypes.shift();
}
let argStrs = [];
let docStrs = [];
docStrs.push(`/**`);
for (let i = 0; i < argTypes.length; i += 1) {
let argType = argTypes[i];
let typeName = rpcTypeMap[argType];
if (!typeName) {
console.error(argTypes);
throw new Error(`unknown type spec '${argType}'`);
}
let n = i + 1;
let argName = `${argType}${n}`;
// TODO give meaningful names to the RPC call arguments
argStrs.push(argName);
docStrs.push(` * @param {${typeName}} ${argName}`);
}
argStrs.push('...extras');
docStrs.push(` * @param {...any} extras`);
docStrs.push(` */`);
let argsStr = argStrs.join(', ');
let fnStrs = [
`rpc.${name} = async function (${argsStr}) {`,
` return await rpc._wrapRequest('${name}', '${typesStr}', ${argsStr});`,
`};`,
];
let lname = name.toLowerCase();
if (lname !== name) {
fnStrs.push(`rpc.${lname} = rpc.${name};`);
}
fnStrs = docStrs.concat(fnStrs);
let fnStr = fnStrs.join('\n');
return fnStr;
}
generateFunctions();