@strapi/strapi/dist/src/cli/utils/try-quick-outdir.mjs

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import fs from 'fs';
import path from 'path';

const DEFAULT_OUT_DIR = 'dist';
/**
 * Strip `//` and `/* *\/` comments from JSON-like text without loading `typescript`.
 */ const stripJsonComments = (input)=>{
    let result = '';
    let inString = false;
    let stringChar = '';
    let i = 0;
    while(i < input.length){
        const char = input[i];
        const next = input[i + 1];
        if (inString) {
            result += char;
            if (char === '\\') {
                result += input[i + 1] ?? '';
                i += 2;
            } else if (char === stringChar) {
                inString = false;
                i += 1;
            } else {
                i += 1;
            }
        } else if (char === '"' || char === "'") {
            inString = true;
            stringChar = char;
            result += char;
            i += 1;
        } else if (char === '/' && next === '/') {
            while(i < input.length && input[i] !== '\n'){
                i += 1;
            }
        } else if (char === '/' && next === '*') {
            i += 2;
            while(i < input.length && !(input[i] === '*' && input[i + 1] === '/')){
                i += 1;
            }
            i += 2;
        } else {
            result += char;
            i += 1;
        }
    }
    return result;
};
/**
 * Read `compilerOptions.outDir` from tsconfig.json without loading `typescript` or
 * `@strapi/typescript-utils`. Returns null when the file cannot be parsed or when
 * `extends` may define outDir (fall back to resolveOutDir).
 */ const tryQuickOutDir = (appDir, tsconfigPath)=>{
    let raw;
    try {
        const contents = fs.readFileSync(tsconfigPath, 'utf8');
        raw = JSON.parse(stripJsonComments(contents));
    } catch  {
        return null;
    }
    if (!raw || typeof raw !== 'object') {
        return null;
    }
    const config = raw;
    const localOutDir = config.compilerOptions?.outDir;
    if (config.extends && localOutDir === undefined) {
        return null;
    }
    return path.resolve(appDir, localOutDir ?? DEFAULT_OUT_DIR);
};

export { stripJsonComments, tryQuickOutDir };
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