| 1 | const { readdir } = require("../compat/fs");
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| 2 | const { init, walkSingleDir, readdirOpts } = require("./shared");
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| 3 |
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| 4 | function promise(dir, options) {
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| 5 | return new Promise((resolve, reject) => {
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| 6 | callback(dir, options, (err, output) => {
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| 7 | if (err) return reject(err);
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| 8 | resolve(output);
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| 9 | });
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| 10 | });
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| 11 | }
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| 12 |
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| 13 | function callback(dirPath, options, callback) {
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| 14 | const { state, callbackInvoker, dir } = init(dirPath, options, callback);
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| 15 | walk(state, dir, options.maxDepth, callbackInvoker);
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| 16 | }
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| 17 |
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| 18 | function walk(state, dir, currentDepth, callback) {
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| 19 | if (currentDepth < 0) {
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| 20 | --state.queue;
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| 21 | return;
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| 22 | }
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| 23 | readdir(dir, readdirOpts, function(error, dirents) {
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| 24 | if (error) {
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| 25 | --state.queue;
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| 26 | callback(error, state);
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| 27 | return;
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| 28 | }
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| 29 |
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| 30 | walkSingleDir(walk, state, dir, dirents, currentDepth, callback);
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| 31 | if (--state.queue < 0) callback(null, state);
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| 32 | });
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| 33 | }
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| 34 |
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| 35 | module.exports = { promise, callback };
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