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feat: add --path-only to not restructure #3

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feat: add --path-only to not restructure #3

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36 changes: 33 additions & 3 deletions restructure.js
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Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,9 @@ ModuleMap.save = async function (abspath, name) {

async function main() {
let rootname;
let dirs = process.argv.slice(2);
let args = process.argv.slice(2);
let pathsOnly = removeFlag(args, ["--paths-only"]);
let dirs = args;
if (!dirs.length) {
dirs.push("./");
}
Expand Down Expand Up @@ -81,7 +83,7 @@ async function main() {
let script = await Fs.readFile(pathname, "utf8");
let kb = (script.length / 1024).toFixed(2).padStart(5, " ");

let results = await parse(script, shortname, rootname);
let results = await parse(script, shortname, rootname, { pathsOnly });
if (
Object.keys(results.warnings).length ||
Object.keys(results.multiImporters).length
Expand Down Expand Up @@ -195,7 +197,31 @@ async function main() {
console.log();
}

async function parse(script, shortname, rootname) {
/**
* @param {Array<String>} arr
* @param {Array<String>} aliases
* @returns {String?}
*/
function removeFlag(arr, aliases) {
/** @type {String?} */
let arg = null;
aliases.forEach(function (item) {
let index = arr.indexOf(item);
if (-1 === index) {
return null;
}

if (arg) {
throw Error(`duplicate flag ${item}`);
}

arg = arr.splice(index, 1)[0];
});

return arg;
}

async function parse(script, shortname, rootname, opts) {
/*
* Example:
* let script = `
Expand Down Expand Up @@ -265,6 +291,10 @@ async function parse(script, shortname, rootname) {
let assignments;

if (destructured) {
if (opts?.pathsOnly) {
continue;
}

// '{ foo, bar, }' => [ "foo", "bar" ]
assignments = destructured[1]
.replace(/,/g, " ")
Expand Down