TypeScriptToLua/src/cli/information.ts at master · TypeScriptToLua/TypeScriptToLua

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import { optionDeclarations } from "./parse";

export const { version } = require("../../package.json");

export const versionString = `Version ${version}`;

const helpString = `

Syntax: tstl [options] [files...]

Examples: tstl path/to/file.ts [...]

tstl -p path/to/tsconfig.json

In addition to the options listed below you can also pass options

for the typescript compiler (For a list of options use tsc -h).

Some tsc options might have no effect.

`.trim();

export function getHelpString(): string {

let result = helpString + "\n\n";

result += "Options:\n";

for (const option of optionDeclarations) {

const aliasStrings = (option.aliases ?? []).map(a => "-" + a);

const optionString = [...aliasStrings, "--" + option.name].join("|");

const valuesHint = option.type === "enum" ? option.choices.join("|") : option.type;

const spacing = " ".repeat(Math.max(1, 45 - optionString.length - valuesHint.length));

result += `\n ${optionString} <${valuesHint}>${spacing}${option.description}\n`;

}

return result;

}