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'use strict';
require('@ungap/with-resolvers');
const fetch = (m => /* c8 ignore start */ m.__esModule ? m.default : m /* c8 ignore stop */)(require('@webreflection/fetch'));
const { absoluteURL, all, entries, importCSS, importJS, isArray, isCSS } = require('../utils.js');
const RUNNING_IN_WORKER = !globalThis.window;
exports.RUNNING_IN_WORKER = RUNNING_IN_WORKER;
// REQUIRES INTEGRATION TEST
/* c8 ignore start */
// This should be the only helper needed for all Emscripten based FS exports
const writeFile = ({ FS, PATH, PATH_FS }, path, buffer) => {
const absPath = PATH_FS.resolve(path);
const dirPath = PATH.dirname(absPath);
if (FS.mkdirTree) FS.mkdirTree(dirPath);
else mkdirTree(FS, dirPath);
return FS.writeFile(absPath, new Uint8Array(buffer), {
canOwn: true,
});
};
exports.writeFile = writeFile;
// This is instead a fallback for Lua or others
const writeFileShim = (FS, path, buffer) => {
mkdirTree(FS, dirname(path));
path = resolve(FS, path);
return FS.writeFile(path, new Uint8Array(buffer), { canOwn: true });
};
exports.writeFileShim = writeFileShim;
const dirname = (path) => {
const tree = path.split('/');
tree.pop();
return tree.join('/');
};
const mkdirTree = (FS, path) => {
const current = [];
for (const branch of path.split('/')) {
if (branch === '.' || branch === '..') continue;
current.push(branch);
if (branch) FS.mkdir(current.join('/'));
}
};
const resolve = (FS, path) => {
const tree = [];
for (const branch of path.split('/')) {
switch (branch) {
case '':
break;
case '.':
break;
case '..':
tree.pop();
break;
default:
tree.push(branch);
}
}
return [FS.cwd()].concat(tree).join('/').replace(/^\/+/, '/');
};
const calculateFetchPaths = (config_fetch) => {
for (const { files, to_file, from = '' } of config_fetch) {
if (files !== undefined && to_file !== undefined)
throw new Error(
'Cannot use \'to_file\' and \'files\' parameters together!',
);
if (files === undefined && to_file === undefined && from.endsWith('/'))
throw new Error(
`Couldn't determine the filename from the path ${from}, please supply 'to_file' parameter.`,
);
}
return config_fetch.flatMap(
({ from = '', to_folder = '.', to_file, files }) => {
if (isArray(files))
return files.map((file) => ({
url: joinPaths([from, file]),
path: joinPaths([to_folder, file]),
}));
const filename = to_file || from.slice(1 + from.lastIndexOf('/'));
return [{ url: from, path: joinPaths([to_folder, filename]) }];
},
);
};
const joinPaths = (parts) => {
const res = parts
.map((part) => part.trim().replace(/(^[/]*|[/]*$)/g, ''))
.filter((p) => p !== '' && p !== '.')
.join('/');
return parts[0].startsWith('/') ? `/${res}` : res;
};
const fetchBuffer = (config_fetch, url) =>
fetch(absoluteURL(url, base.get(config_fetch))).arrayBuffer();
const base = new WeakMap();
exports.base = base;
const fetchPaths = (module, interpreter, config_fetch) =>
all(
calculateFetchPaths(config_fetch).map(({ url, path }) =>
fetchBuffer(config_fetch, url)
.then((buffer) => module.writeFile(interpreter, path, buffer)),
),
);
exports.fetchPaths = fetchPaths;
const fillName = (source, dest) => dest.endsWith('/') ?
`${dest}${source.split('/').pop()}` : dest;
const parseTemplate = (src, map) => src.replace(
/\{.+?\}/g,
k => {
if (!map.has(k))
throw new SyntaxError(`Invalid template: ${k}`);
return map.get(k);
}
);
const calculateFilesPaths = files => {
const map = new Map;
const targets = new Set;
const sourceDest = [];
for (const [source, dest] of entries(files)) {
if (/^\{.+\}$/.test(source)) {
if (map.has(source))
throw new SyntaxError(`Duplicated template: ${source}`);
map.set(source, parseTemplate(dest, map));
}
else {
const url = parseTemplate(source, map);
const path = fillName(url, parseTemplate(dest || './', map));
if (targets.has(path))
throw new SyntaxError(`Duplicated destination: ${path}`);
targets.add(path);
sourceDest.push({ url, path });
}
}
return sourceDest;
};
const fetchFiles = (module, interpreter, config_files) =>
all(
calculateFilesPaths(config_files).map(({ url, path }) =>
fetchBuffer(config_files, url)
.then((buffer) => module.writeFile(
interpreter,
path,
buffer,
url,
)),
),
);
exports.fetchFiles = fetchFiles;
const fetchJSModules = ({ main, worker }) => {
const promises = [];
if (worker && RUNNING_IN_WORKER) {
for (let [source, name] of entries(worker)) {
source = absoluteURL(source, base.get(worker));
promises.push(importJS(source, name));
}
}
if (main && !RUNNING_IN_WORKER) {
for (let [source, name] of entries(main)) {
source = absoluteURL(source, base.get(main));
if (isCSS(source)) importCSS(source);
else promises.push(importJS(source, name));
}
}
return all(promises);
};
exports.fetchJSModules = fetchJSModules;
/* c8 ignore stop */
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