source: trip-planner-front/node_modules/stylus/lib/functions/opposite-position.js@ fa375fe

Last change on this file since fa375fe was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

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1var utils = require('../utils')
2 , nodes = require('../nodes');
3
4/**
5 * Return the opposites of the given `positions`.
6 *
7 * Examples:
8 *
9 * opposite-position(top left)
10 * // => bottom right
11 *
12 * @param {Expression} positions
13 * @return {Expression}
14 * @api public
15 */
16
17(module.exports = function oppositePosition(positions){
18 var expr = [];
19 utils.unwrap(positions).nodes.forEach(function(pos, i){
20 utils.assertString(pos, 'position ' + i);
21 pos = (function(){ switch (pos.string) {
22 case 'top': return 'bottom';
23 case 'bottom': return 'top';
24 case 'left': return 'right';
25 case 'right': return 'left';
26 case 'center': return 'center';
27 default: throw new Error('invalid position ' + pos);
28 }})();
29 expr.push(new nodes.Literal(pos));
30 });
31 return expr;
32}).raw = true;
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