obsidian-excalidraw-plugin/ea-scripts/Fixed spacing.md

/*

Download this file and save to your Obsidian Vault including the first line, or open it in "Raw" and copy the entire contents to Obsidian.

The script arranges the selected elements horizontally with a fixed spacing.

When we create an architecture diagram or mind map, we often need to arrange a large number of elements in a fixed spacing. Fixed spacing and Fixed vertical Distance scripts can save us a lot of time.

*/
const spacing = parseInt (await utils.inputPrompt("spacing?","number","8"));
if(isNaN(spacing)) {
  return;
}
const elements=ea.getViewSelectedElements();
const topGroups = ea.getMaximumGroups(elements);
const groups = topGroups.sort((lha,rha) => lha[0].x - rha[0].x);

for(var i=0; i<groups.length; i++) {
    if(i > 0) {
        const preGroup = groups[i-1];
        const curGroup = groups[i];

        const preRight = Math.max(...preGroup.map(el => el.x + el.width));
        const curLeft = Math.min(...curGroup.map(el => el.x));
        const distance = curLeft -  preRight - spacing;

        for(const curEl of curGroup) {
            curEl.x = curEl.x - distance;
        }
    }
}
ea.copyViewElementsToEAforEditing(elements);
ea.addElementsToView();