@lipemat/js-boilerplate/scripts/fix-pnp.js

Dependencies and scripts for a no config JavaScript app

#!/usr/bin/env node
/**
 * When using PNP loose mode, we get warnings for every module
 * we access, not strictly declared.
 *
 * No built-in way in Yarn to disable the warnings.
 * This script modifies to generate .pnp.js file to suppress
 * all loose module warnings unless the environmental variable
 * is set to display all warnings.
 *
 * @deprecated In favor of the `js-boilerplate-shared__fix-pnp` script.
 *
 * @example
 * ```json
 * {
 *      "scripts": {
 *           "postinstall": "lipemat-js-boilerplate fix-pnp"
 *      }
 *  }
 * ```
 */
import fs from 'fs';
const PNP_FILES = [
    './.pnp.js',
    './.pnp.cjs',
    './.pnp.mjs',
];
PNP_FILES.forEach(PNP_FILE => {
    if (fs.existsSync(PNP_FILE)) {
        fs.readFile(PNP_FILE, 'utf8', (readError, data) => {
            if (readError) {
                return console.error(readError);
            }
            const result = data.replace(/if \(reference != null\) {/, '// # Warnings suppressed via @lipemat/js-boilerplate/fix-pnp script. \n' +
                'if (! alwaysWarnOnFallback && reference != null) { \n' +
                'dependencyReference = reference; \n' +
                '} else if (alwaysWarnOnFallback && reference != null) {');
            fs.writeFile(PNP_FILE, result, 'utf8', writeError => {
                if (writeError) {
                    return console.error(writeError);
                }
                console.debug(`The ${PNP_FILE} file has been adjusted to no longer display warnings for loose modules.`);
            });
        });
    }
});
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