Drop Selected Tasks

script

// Get the selected range and full text
const selectionStart = editor.getSelectedRange()[0];
const selectionLength = editor.getSelectedRange()[1];
const selectionEnd = selectionStart + selectionLength;
const fullText = editor.getText();

// Calculate the start position of the selection, ensuring it starts at the beginning of a line
let startOfSelection = fullText.lastIndexOf("\n", selectionStart - 1) + 1;
if (startOfSelection === 0) {
    startOfSelection = 0; // If no newline is found, start from the beginning
}

// Calculate the end position of the selection, ensuring it ends at the end of a line
let endOfSelection = fullText.indexOf("\n", selectionEnd);
if (endOfSelection === -1) {
    endOfSelection = fullText.length; // If no newline is found, end at the last character
}

// Get the text from the start to the end of the lines
const textToWrap = fullText.substring(startOfSelection, endOfSelection);

// Split the text into lines
const lines = textToWrap.split("\n");

// Wrap each line's content in strikethrough markdown
const updatedLines = lines.map(line => {
    // Match lines that start with "- [ ] "
    if (line.startsWith("- [ ] ")) {
        return line.replace(/^- \[ \] (.*)/, "- [ ] ~~$1~~");
    }
    // Return the line unchanged if it does not match
    return line;
});

// Join the updated lines back into a single string
const updatedSelection = updatedLines.join("\n");

// Replace the selected text with the updated text
editor.setTextInRange(startOfSelection, endOfSelection - startOfSelection, updatedSelection);

// Calculate the new end position of the selection
const newEndOfSelection = startOfSelection + updatedSelection.length;

// Set the new selection range
editor.setSelectedRange(startOfSelection, updatedSelection.length);