text: // This module adds the options.resize.restrictEdges setting which sets min and
  // max for the top, left, bottom and right edges of the target being resized.
  //
  // interact(target).resize({
  //   edges: { top: true, left: true },
  //   restrictEdges: {
  //     inner: { top: 200, left: 200, right: 400, bottom: 400 },
  //     outer: { top:   0, left:   0, right: 600, bottom: 600 },
  //   },
  // });
  
  import extend from '@interactjs/utils/extend';
  import rectUtils from '@interactjs/utils/rect';
  import restrict from './restrict';
  
  const { getRestrictionRect } = restrict;
  const noInner = { top: +Infinity, left: +Infinity, bottom: -Infinity, right: -Infinity };
  const noOuter = { top: -Infinity, left: -Infinity, bottom: +Infinity, right: +Infinity };
  
  function start ({ interaction, status }) {
    const { options } = status;
    const startOffset = interaction.modifiers.startOffset;
    let offset;
  
    if (options) {
      const offsetRect = getRestrictionRect(options.offset, interaction, interaction.coords.start.page);
  
      offset = rectUtils.rectToXY(offsetRect);
    }
  
    offset = offset || { x: 0, y: 0 };
  
    status.offset = {
      top:    offset.y + startOffset.top,
      left:   offset.x + startOffset.left,
      bottom: offset.y - startOffset.bottom,
      right:  offset.x - startOffset.right,
    };
  }
  
  function set ({ coords, interaction, status }) {
    const { offset, options } = status;
    const edges = interaction.prepared.linkedEdges || interaction.prepared.edges;
  
    if (!edges) {
      return;
    }
  
    const page = extend({}, coords);
    const inner = getRestrictionRect(options.inner, interaction, page) || {};
    const outer = getRestrictionRect(options.outer, interaction, page) || {};
  
    fixRect(inner, noInner);
    fixRect(outer, noOuter);
  
    if (edges.top) {
      coords.y = Math.min(Math.max(outer.top    + offset.top,    page.y), inner.top    + offset.top);
    }
    else if (edges.bottom) {
      coords.y = Math.max(Math.min(outer.bottom + offset.bottom, page.y), inner.bottom + offset.bottom);
    }
    if (edges.left) {
      coords.x = Math.min(Math.max(outer.left   + offset.left,   page.x), inner.left   + offset.left);
    }
    else if (edges.right) {
      coords.x = Math.max(Math.min(outer.right  + offset.right,  page.x), inner.right  + offset.right);
    }
  }
  
  function fixRect (rect, defaults) {
    for (const edge of ['top', 'left', 'bottom', 'right']) {
      if (!(edge in rect)) {
        rect[edge] = defaults[edge];
      }
    }
  
    return rect;
  }
  
  const restrictEdges = {
    noInner,
    noOuter,
    getRestrictionRect,
    start,
    set,
    defaults: {
      inner: null,
      outer: null,
      offset: null,
    },
  };
  
  export default restrictEdges;
  