cmd-ts
Version:
> 💻 A type-driven command line argument parser, with awesome error reporting 🤤
83 lines • 2.57 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.parse = exports.dryRun = exports.runSafely = exports.run = void 0;
const tokenizer_1 = require("./newparser/tokenizer");
const parser_1 = require("./newparser/parser");
const errorBox_1 = require("./errorBox");
const Result_1 = require("./Result");
const effects_1 = require("./effects");
async function run(ap, strings) {
const result = await runSafely(ap, strings);
if ((0, Result_1.isErr)(result)) {
return result.error.run();
}
else {
return result.value;
}
}
exports.run = run;
/**
* Runs a command but does not apply any effect
*/
async function runSafely(ap, strings) {
const hotPath = [];
const nodes = parseCommon(ap, strings);
try {
const result = await ap.run({ nodes, visitedNodes: new Set(), hotPath });
if ((0, Result_1.isErr)(result)) {
throw new effects_1.Exit({
message: (0, errorBox_1.errorBox)(nodes, result.error.errors, hotPath),
exitCode: 1,
into: 'stderr',
});
}
else {
return (0, Result_1.ok)(result.value);
}
}
catch (e) {
if (e instanceof effects_1.Exit) {
return (0, Result_1.err)(e);
}
throw e;
}
}
exports.runSafely = runSafely;
/**
* Run a command but don't quit. Returns an `Result` instead.
*/
async function dryRun(ap, strings) {
const result = await runSafely(ap, strings);
if ((0, Result_1.isErr)(result)) {
return (0, Result_1.err)(result.error.dryRun());
}
else {
return result;
}
}
exports.dryRun = dryRun;
/**
* Parse the command as if to run it, but only return the parse result and don't run the command.
*/
function parse(ap, strings) {
const hotPath = [];
const nodes = parseCommon(ap, strings);
return ap.parse({ nodes, visitedNodes: new Set(), hotPath });
}
exports.parse = parse;
function parseCommon(ap, strings) {
const longFlagKeys = new Set();
const shortFlagKeys = new Set();
const longOptionKeys = new Set();
const shortOptionKeys = new Set();
const registerContext = {
forceFlagShortNames: shortFlagKeys,
forceFlagLongNames: longFlagKeys,
forceOptionShortNames: shortOptionKeys,
forceOptionLongNames: longOptionKeys,
};
ap.register(registerContext);
const tokens = (0, tokenizer_1.tokenize)(strings);
return (0, parser_1.parse)(tokens, registerContext);
}
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