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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,201 @@ | ||
| import { execSync } from 'child_process'; | ||
| import { readFileSync, rmSync } from 'fs'; | ||
| import { Project, WriterFunction, Writers } from 'ts-morph'; | ||
|
|
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| const { objectType } = Writers; | ||
|
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| function getNitroNodeImageTag(): string { | ||
| const defaultNitroNodeTag = 'v2.2.5-a20a1c7'; | ||
| const argv = process.argv.slice(2); | ||
|
|
||
| if (argv.length < 2 || argv[0] !== '--nitro-node-tag') { | ||
| console.log( | ||
| `Using default nitro-node tag since none was provided. If you want to specify a tag, you can do "--nitro-node-tag v2.2.2-8f33fea".`, | ||
| ); | ||
| return defaultNitroNodeTag; | ||
| } | ||
|
|
||
| return argv[1]; | ||
| } | ||
|
|
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| const nitroNodeTag = getNitroNodeImageTag(); | ||
| const nitroNodeImage = `offchainlabs/nitro-node:${nitroNodeTag}`; | ||
| const nitroNodeHelpOutputFile = `${nitroNodeImage.replace('/', '-')}-help.txt`; | ||
|
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| console.log(`Using image "${nitroNodeImage}".`); | ||
|
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| function generateHeader() { | ||
| return [ | ||
| `// ---`, | ||
| `//`, | ||
| `// THIS FILE IS AUTOMATICALLY GENERATED AND SHOULD NOT BE EDITED MANUALLY`, | ||
| `//`, | ||
| `// IMAGE: ${nitroNodeImage}`, | ||
| `// TIMESTAMP: ${new Date().toISOString()}`, | ||
| `// `, | ||
| `// ---`, | ||
| ].join('\n'); | ||
| } | ||
|
|
||
| type CliOption = { | ||
| name: string; | ||
| type: string; | ||
| docs: string[]; | ||
| }; | ||
|
|
||
| function parseCliOptions(fileContents: string): CliOption[] { | ||
| const types: Record<string, string | undefined> = { | ||
| string: 'string', | ||
| strings: 'string[]', | ||
| stringArray: 'string[]', | ||
| int: 'number', | ||
| uint: 'number', | ||
| uint32: 'number', | ||
| float: 'number', | ||
| boolean: 'boolean', | ||
| duration: 'string', | ||
| }; | ||
|
|
||
| // split into lines | ||
| let lines = fileContents.split('\n'); | ||
| // trim whitespaces | ||
| lines = lines.map((line) => line.trim()); | ||
| // special case for flags with comments that span multiple lines | ||
| // todo: generalize this so it automatically detects and merges multi-line comments?? | ||
| lines = lines.map((line, lineIndex) => { | ||
| // this comment spans 3 lines | ||
| if (line.includes('max-fee-cap-formula')) { | ||
| return `${line} ${lines[lineIndex + 1]} ${lines[lineIndex + 2]}`; | ||
| } | ||
|
|
||
| return line; | ||
| }); | ||
| // only leave lines that start with "--", e.g. "--auth.addr string" but exclude "--help" and "--dev" | ||
|
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||
| lines = lines.filter( | ||
| (line) => line.startsWith('--') && !line.includes('--help') && !line.includes('--dev'), | ||
| ); | ||
| // sanitize the boolean types | ||
| lines = lines.map((line) => { | ||
| let split = line.split(' '); | ||
| // if the flag is just a boolean, then the type is omitted from the --help output, e.g. "--init.force" | ||
| // to make things simpler and consistent, we replace the empty string with boolean | ||
| if (split[1] === '') { | ||
| split[1] = 'boolean'; | ||
| } | ||
|
|
||
| return split.join(' '); | ||
| }); | ||
|
|
||
| return lines.map((line) => { | ||
| const [name, type] = line.split(' '); | ||
|
|
||
| // get the mapped type from go to typescript | ||
| const sanitizedType = types[type]; | ||
|
|
||
| // docs is everything after the param name and type (and one space in between) | ||
| const docsStart = name.length + 1 + type.length; | ||
| const docs = line.slice(docsStart).trim(); | ||
|
|
||
| if (typeof sanitizedType === 'undefined') { | ||
| throw new Error(`Unknown type: ${type}`); | ||
| } | ||
|
|
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| return { | ||
| // remove "--" from the name | ||
| name: name.replace('--', ''), | ||
| // map the go type to the typescript type | ||
| type: sanitizedType, | ||
| // copy the rest of the line as docs | ||
| docs: [docs], | ||
| }; | ||
| }); | ||
| } | ||
|
|
||
| type CliOptionNestedObject = { | ||
| [key: string]: CliOption | CliOptionNestedObject; | ||
| }; | ||
|
|
||
| function createCliOptionsNestedObject(options: CliOption[]): CliOptionNestedObject { | ||
| const result: CliOptionNestedObject = {}; | ||
|
|
||
| options.forEach((option) => { | ||
| let paths = option.name.split('.'); | ||
| let current: CliOptionNestedObject = result; | ||
|
|
||
| for (let i = 0; i < paths.length; i++) { | ||
| const path = paths[i]; | ||
| const pathIsFinal = i === paths.length - 1; | ||
|
|
||
| if (typeof current[path] === 'undefined') { | ||
| current[path] = pathIsFinal ? option : {}; | ||
| } | ||
|
|
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| current = current[path] as CliOptionNestedObject; | ||
| } | ||
| }); | ||
|
|
||
| return result; | ||
| } | ||
|
|
||
| function isCliOption(value: CliOption | CliOptionNestedObject): value is CliOption { | ||
| return 'type' in value; | ||
| } | ||
|
|
||
| function getDocs(value: CliOption | CliOptionNestedObject): string[] { | ||
| if (isCliOption(value)) { | ||
| return value.docs; | ||
| } | ||
|
|
||
| // docs only available for "primitive" properties, not objects | ||
| return []; | ||
| } | ||
|
|
||
| function getTypeRecursively(value: CliOption | CliOptionNestedObject): string | WriterFunction { | ||
| // if we reached the "primitive" property, we can just return its type | ||
| if (isCliOption(value)) { | ||
| return value.type; | ||
| } | ||
|
|
||
| // if not, recursively figure out the type for each of the object's properties | ||
| return objectType({ | ||
| properties: Object.entries(value).map(([currentKey, currentValue]) => ({ | ||
| name: `'${currentKey}'`, | ||
| type: getTypeRecursively(currentValue), | ||
| docs: getDocs(currentValue), | ||
| // make it optional | ||
| hasQuestionToken: true, | ||
| })), | ||
| }); | ||
| } | ||
|
|
||
| function main() { | ||
| // run --help on the nitro binary and save the output to a file | ||
| execSync(`docker run --rm ${nitroNodeImage} --help > ${nitroNodeHelpOutputFile} 2>&1`); | ||
|
|
||
| // read and parse the file | ||
| const content = readFileSync(nitroNodeHelpOutputFile, 'utf8'); | ||
| const cliOptions = parseCliOptions(content); | ||
| const cliOptionsNestedObject = createCliOptionsNestedObject(cliOptions); | ||
|
|
||
| // create the new source file | ||
| const sourceFile = new Project().createSourceFile('./src/types/NodeConfig.generated.ts', '', { | ||
| overwrite: true, | ||
| }); | ||
| // append header | ||
| sourceFile.insertText(0, generateHeader()); | ||
| // append NodeConfig type declaration | ||
| sourceFile.addTypeAlias({ | ||
| name: 'NodeConfig', | ||
| type: getTypeRecursively(cliOptionsNestedObject), | ||
| docs: ['Nitro node configuration options'], | ||
| isExported: true, | ||
| }); | ||
|
|
||
| // save file to disk | ||
| sourceFile.saveSync(); | ||
| // remove output file that we used for parsing | ||
| rmSync(nitroNodeHelpOutputFile); | ||
| } | ||
|
|
||
| main(); |
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