Randell Dawson 90f6d23639
feat(learn): Create tool to delete an existing project step in project-based curriculum (#39786)
* feat: created tool to delete step

* docs: update README.md with delete-step instructions

Co-authored-by: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>
2020-10-03 11:54:19 +02:00

42 lines
1.1 KiB
JavaScript

const {
reorderSteps,
createStepFile,
getExistingStepNums,
getProjectPath,
getArgValues
} = require('./utils');
const anyStepExists = (steps, stepsToFind) =>
stepsToFind.some(num => steps.includes(num));
const projectPath = getProjectPath();
const args = getArgValues(process.argv);
let { num, start } = args;
if (!start) {
throw `No steps created. start arg val must be specified.`;
}
if (!num) {
throw `No steps created. num arg val must be specified.`;
}
num = parseInt(num, 10);
const stepStart = parseInt(start, 10);
if (num < 1 || num > 20) {
throw `No steps created. arg 'num' must be between 1 and 20 inclusive`;
}
const maxStepNum = stepStart + num - 1;
const existingSteps = getExistingStepNums(projectPath);
if (anyStepExists(existingSteps, [start, maxStepNum])) {
throw `Step not created. At least one of the steps specified between ${start} and ${maxStepNum} already exists.`;
}
for (let stepNum = stepStart; stepNum <= maxStepNum; stepNum++) {
createStepFile({ stepNum, projectPath });
}
console.log(`Sucessfully added ${num} steps`);
reorderSteps();