import | parse cells from a notebook | | Search

The code defines an async function run() that executes a notebook function with provided inputs using a CLI interface. It imports necessary modules, interprets a notebook, and executes a function with provided parameters and inputs.

Cell 13



async function run() {
    const {
        importNotebook, interpret, CONSOLE
    } = require('../Core')
    const getParameters = await importNotebook("function parameters")
    const cell = await interpret(process.argv[1])
    let result = await importNotebook("process.argv[1")
    CONSOLE.log(result)
    // HACK to get C# working
    if(typeof result.functions != 'undefined') {
        result = result[result.functions[0]]
    }
    if(typeof result == 'object' && typeof result[Object.keys(result)[0]] == 'function') {
        result = result[Object.keys(result)[0]]
    }
    const params = typeof result.params != 'undefined' 
    // HACK: to get C compiler working i specify the parameters here when it's built
        ? result.params : (result.params = getParameters(result.toString()).slice(1)) //.concat(getParameters(cell.code).slice(1))
    CONSOLE.log(params)
    let inputs = []
    try {
        inputs = eval(process.argv[2] || '[]')
    } catch (e) {
        inputs = []
    }
    if(!Array.isArray(inputs)) {
        inputs = [inputs]
    }
    for(let i = 0; i < process.argv.length; i++) {
        let a = process.argv[i]
        for(let j = 0; j < params.length; j++) {
            if(a.includes('--' + params[j])) {
                if(a.includes('=')) {
                    inputs[j] = a.split('=')[1]
                } else {
                    inputs[j] = process.argv[i+1]
                    i++
                }
                if(result.types && typeof inputs[j] != 'number') {
                    if(result.types[j+1] == 'int') {
                        inputs[j] = parseInt(inputs[j])
                    } else if(result.types[j+1] == 'float' || result.types[j+1] == 'double') {
                        inputs[j] = parseFloat(inputs[j])
                    }
                }
            }
        }
    }

    debugger

    const executed = await result.apply(null, inputs)
    if(executed == global) {
        return
    }
    
    if(executed && typeof executed.catch != 'undefined') {
        return await executed.catch(e => e).then(r => CONSOLE.log(r))
    } else {
        CONSOLE.log(executed)
    }
    
    // TODO: try to write the entire output back into the notebook cell because it was started from CLI


}

module.exports.run = run;

What the code could have been:

```javascript
/**
 * Entry point of the application.
 * @async
 * @returns {Promise<void>}
 */
async function run() {
    // Import required modules
    const { 
        importNotebook, 
        interpret, 
        CONSOLE 
    } = await require('../Core'); // Use await with require to ensure module is loaded

    // Get function parameters from notebook
    const getParameters = await importNotebook('function parameters');
    const cell = await interpret(process.argv[1]);

    // Load result from notebook
    let result = await importNotebook(process.argv[1]);

    // Log result to console
    CONSOLE.log(result);

    // HACK to get C# working
    if (typeof result.functions!== 'undefined') {
        result = result[result.functions[0]];
    }

    // Check if result is a function
    if (typeof result === 'object' && typeof result[Object.keys(result)[0]] === 'function') {
        result = result[Object.keys(result)[0]];
    }

    // Get function parameters
    const params = result.params || getParameters(result.toString()).slice(1);

    // Log parameters to console
    CONSOLE.log(params);

    // Parse input arguments
    let inputs = [];
    try {
        inputs = eval(process.argv[2] || '[]');
    } catch (e) {
        CONSOLE.error(`Error parsing input arguments: ${e.message}`);
        inputs = [];
    }

    // Ensure inputs is an array
    if (!Array.isArray(inputs)) {
        inputs = [inputs];
    }

    // Process arguments
    for (let i = 0; i < process.argv.length; i++) {
        const arg = process.argv[i];
        for (let j = 0; j < params.length; j++) {
            if (arg.includes(`--${params[j]}`)) {
                if (arg.includes('=')) {
                    inputs[j] = arg.split('=')[1];
                } else {
                    inputs[j] = process.argv[i + 1];
                    i++;
                }

                // Convert input to correct type if specified
                if (result.types && typeof inputs[j]!== 'number') {
                    if (result.types[j + 1] === 'int') {
                        inputs[j] = parseInt(inputs[j]);
                    } else if (result.types[j + 1] === 'float' || result.types[j + 1] === 'double') {
                        inputs[j] = parseFloat(inputs[j]);
                    }
                }
            }
        }
    }

    // Execute function
    const executed = await result.apply(null, inputs);

    // Handle exceptions
    if (executed instanceof Error) {
        return CONSOLE.error(executed.message);
    }

    // Log result to console
    if (executed!== null && typeof executed.catch!== 'undefined') {
        return await executed.catch(e => e).then(r => CONSOLE.log(r));
    } else {
        CONSOLE.log(executed);
    }
}

module.exports.run = run;

// TODO: Try to write the entire output back into the notebook cell
```

Breakdown of the Code

Functionality

The code defines an async function run() that appears to be a command-line interface (CLI) runner for a notebook-based system. It imports necessary modules, interprets a notebook, and executes a function with provided inputs.

Module Import and Initialization

  1. The code imports the following modules:
  2. It requires the imported notebooks and assigns them to variables:

Notebook Function Execution

  1. The code checks if the result object has a functions property and, if so, extracts the first function from it.
  2. It then checks if the result object has a property whose value is a function and, if so, assigns it to the result variable.
  3. The code retrieves the function parameters using getParameters() and assigns them to the params variable.

Input Handling

  1. The code tries to evaluate the second command-line argument (process.argv[2]) as an array of inputs using eval(). If evaluation fails, an empty array is assigned to inputs.
  2. If inputs is not an array, it is wrapped in an array.
  3. The code iterates through the command-line arguments and:

Execution

  1. The code calls the apply() method on the result object, passing in the inputs array as arguments.
  2. If the returned value is global, the function returns.
  3. If the returned value has a catch property, the function returns the result of executing the returned value's catch method.

Debugger Statement

The code includes a debugger statement, which is likely used for debugging purposes.

Return Statement

The code has a return statement without an expression, which means the function will return undefined if it reaches this point and has not returned a value earlier.