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dcherman/resolver.js

Created April 18, 2018 15:16
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  1. dcherman created this gist Apr 18, 2018.
    27 changes: 27 additions & 0 deletions resolver.js
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,27 @@
    const defaultResolver = require('jest-resolve/build/default_resolver').default;
    const ScriptTransformer = require('jest-runtime').ScriptTransformer;
    const fs = require('fs');

    const transform = ScriptTransformer.prototype.transform;

    Object.defineProperty(ScriptTransformer.prototype, 'transform', {
    enumerable: false,
    value(file, ...args) {
    if (!fs.existsSync(file)) {
    for (const ext of this._config.moduleFileExtensions) {
    const maybe = `${file}.${ext}`;

    if (fs.existsSync(maybe)) {
    file = maybe;
    break;
    }
    }
    }

    return transform.call(this, file, ...args);
    }
    });

    module.exports = (...args) => {
    return defaultResolver(...args);
    };