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@@ -0,0 +1,49 @@
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+/* global __dirname */
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+/* eslint import/no-nodejs-modules:0 */
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+import fs from 'fs';
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+import path from 'path';
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+
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+const FIXTURES_ROOT = path.join(__dirname, '../../fixtures');
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+
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+type Options = {
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+ /**
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+ * Flatten all fixtures to together into a single object
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+ */
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+ flatten?: boolean;
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+};
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+
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+/**
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+ * Loads a directory of fixtures. Supports js and json fixtures.
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+ */
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+export function loadFixtures(dir: string, opts: Options = {}) {
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+ const from = path.join(FIXTURES_ROOT, dir);
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+ const files = fs.readdirSync(from);
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+
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+ const fixturesPairs = files.map(file => {
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+ const filePath = path.join(from, file);
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+
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+ if (/[jt]sx?$/.test(file)) {
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+ const module = require(filePath);
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+
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+ if (Object.keys(module).includes('default')) {
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+ throw new Error('Javascript fixtures cannot use default export');
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+ }
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+
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+ return [file, module] as const;
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+ }
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+
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+ if (/json$/.test(file)) {
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+ return [file, JSON.parse(fs.readFileSync(filePath).toString())] as const;
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+ }
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+
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+ throw new Error(`Invalid fixture type found: ${file}`);
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+ });
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+
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+ const fixtures = Object.fromEntries(fixturesPairs);
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+
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+ if (opts.flatten) {
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+ return Object.values(fixtures).reduce((acc, val) => ({...acc, ...val}), {});
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+ }
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+
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+ return fixtures;
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+}
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Evan Purkhiser