| 1 | import { isAbsolute, join } from 'path';
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| 2 | import { cwd } from 'process';
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| 3 | import { get, set } from 'lodash';
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| 4 | import { pathExistsSync, readJSONSync, writeJSON } from 'fs-extra';
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| 5 | import DataLoader from 'dataloader';
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| 6 |
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| 7 | class FileCache {
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| 8 | constructor({ path }) {
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| 9 | this.absolutePath = isAbsolute(path) ? path : join(cwd(), path);
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| 10 | this.json = pathExistsSync(this.absolutePath) ? readJSONSync(this.absolutePath) : {};
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| 11 | this.writeDataLoader = new DataLoader(async (keys) => {
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| 12 | await writeJSON(this.absolutePath, this.json);
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| 13 | return keys;
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| 14 | });
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| 15 | }
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| 16 | async get(name) {
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| 17 | return get(this.json, name);
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| 18 | }
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| 19 | async set(name, value) {
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| 20 | set(this.json, name, value);
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| 21 | this.writeDataLoader.load({});
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| 22 | }
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| 23 | async delete(name) {
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| 24 | this.set(name, undefined);
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| 25 | }
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| 26 | }
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| 27 |
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| 28 | export default FileCache;
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| 29 |
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