| 1 | import _ from 'underscore';
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| 2 |
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| 3 | import getFile from './get-file.js';
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| 4 |
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| 5 | const getFiles = async ({ env, files = {}, path }) => {
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| 6 | if (files[path]) return files;
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| 7 |
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| 8 | files[path] = true;
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| 9 | const file = await getFile({ env, path });
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| 10 |
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| 11 | files[path] = file;
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| 12 | await Promise.all(
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| 13 | _.map(file.requires, path => getFiles({ env, files, path }))
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| 14 | );
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| 15 |
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| 16 | return files;
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| 17 | };
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| 18 |
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| 19 | const walk = ({ files, path, visited = {} }) => {
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| 20 | const file = files[path];
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| 21 | if (visited[path]) return file;
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| 22 |
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| 23 | visited[path] = true;
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| 24 | const graph = _.map(file.requires, path => walk({ files, path, visited }));
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| 25 | return _.unique(_.flatten(graph));
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| 26 | };
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| 27 |
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| 28 | export default async ({ env, path }) =>
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| 29 | walk({ files: await getFiles({ env, path }), path });
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