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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
// A utility to check if given JSM is already ESM-ified.
/* eslint-env node */
const fs = require("fs");
const _path = require("path");
const { esmifyExtension } = require(_path.resolve(__dirname, "./utils.js"));
let json_map;
if (process.env.ESMIFY_MAP_JSON) {
json_map = _path.resolve(process.env.ESMIFY_MAP_JSON);
} else {
json_map = _path.resolve(__dirname, "./map.json");
}
const uri_map = JSON.parse(fs.readFileSync(json_map));
const esm_uri_map = generateESMURIMap(uri_map);
function generateESMURIMap(jsm_map) {
const esm_map = {};
for (let [uri, jsms] of Object.entries(jsm_map)) {
if (typeof jsms === "string") {
jsms = [jsms];
}
esm_map[esmifyExtension(uri)] = jsms.map(esmifyExtension);
}
return esm_map;
}
function isESMifiedSlow(resourceURI) {
if (!(resourceURI in uri_map)) {
console.log(`WARNING: Unknown module: ${resourceURI}`);
return { result: false, jsms: [] };
}
let jsms = uri_map[resourceURI];
if (typeof jsms === "string") {
jsms = [jsms];
}
const prefix = "../../";
for (const jsm of jsms) {
if (fs.existsSync(prefix + jsm)) {
return { result: false, jsms };
}
const esm = esmifyExtension(jsm);
if (!fs.existsSync(prefix + esm)) {
return { result: false, jsms };
}
}
return { result: true, jsms };
}
const isESMified_memo = {};
function isESMified(resourceURI, files) {
if (!(resourceURI in isESMified_memo)) {
isESMified_memo[resourceURI] = isESMifiedSlow(resourceURI);
}
for (const jsm of isESMified_memo[resourceURI].jsms) {
files.push(esmifyExtension(jsm));
}
return isESMified_memo[resourceURI].result;
}
function getESMFiles(resourceURI) {
if (resourceURI in esm_uri_map) {
return esm_uri_map[resourceURI];
}
return [];
}
exports.isESMified = isESMified;
exports.getESMFiles = getESMFiles;
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