[Solved] Why does this code fail?cy.readFile('config.json').then((data) => { data.setting = true})cy.log(data.setting) | Cypress

Cypress - File Operations

Why does this code fail?

cy.readFile('config.json').then((data) => {
  data.setting = true
})
cy.log(data.setting)

Acy.log cannot log boolean values

BMissing await keyword before cy.readFile

Cconfig.json cannot be modified in tests

Ddata is not defined outside the .then() callback

Step-by-Step Solution

Solution:

Step 1: Recognize scope of variables in promises
data exists only inside the .then() callback function.
Step 2: Understand why cy.log fails
Outside .then(), data is undefined, causing error.
Final Answer:
data is not defined outside the .then() callback -> Option D
Quick Check:
Variables inside .then() are scoped locally [OK]

Quick Trick: Use variables only inside .then() or assign externally [OK]

Common Mistakes:

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Why does this code fail?