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64 lines
3.1 KiB
JavaScript
64 lines
3.1 KiB
JavaScript
export var modifiers = {
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offset: {
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order: 200,
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enabled: true,
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fn: function(data, _ref) {
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var offset = _ref.offset;
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var placement = data.placement, _data$offsets = data.offsets, popper = _data$offsets.popper, reference = _data$offsets.reference;
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var basePlacement = placement.split('-')[0];
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var offsets = void 0;
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if (isNumeric(+offset)) offsets = [
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+offset,
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0
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];
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else {
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var offsets1;
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var useHeight;
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var fragments;
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var divider;
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var splitRegex;
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var ops;
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offsets1 = [
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0,
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0
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], useHeight = -1 !== [
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'right',
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'left'
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].indexOf(basePlacement), divider = (fragments = offset.split(/(\+|\-)/).map(function(frag) {
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return frag.trim();
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})).indexOf(find(fragments, function(frag) {
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return -1 !== frag.search(/,|\s/);
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})), fragments[divider] && -1 === fragments[divider].indexOf(',') && console.warn('Offsets separated by white space(s) are deprecated, use a comma (,) instead.'), splitRegex = /\s*,\s*|\s+/, (ops = (-1 !== divider ? [
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fragments.slice(0, divider).concat([
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fragments[divider].split(splitRegex)[0]
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]),
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[
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fragments[divider].split(splitRegex)[1]
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].concat(fragments.slice(divider + 1))
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] : [
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fragments
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]).map(function(op, index) {
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var measurement = (1 === index ? !useHeight : useHeight) ? 'height' : 'width';
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var mergeWithPrevious = false;
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return op.reduce(function(a, b) {
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if ('' === a[a.length - 1] && -1 !== [
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'+',
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'-'
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].indexOf(b)) return a[a.length - 1] = b, mergeWithPrevious = true, a;
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if (mergeWithPrevious) return a[a.length - 1] += b, mergeWithPrevious = false, a;
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return a.concat(b);
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}, []).map(function(str) {
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return toValue(str, measurement, popper, reference);
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});
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})).forEach(function(op, index) {
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op.forEach(function(frag, index2) {
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isNumeric(frag) && (offsets1[index] += frag * ('-' === op[index2 - 1] ? -1 : 1));
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});
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}), offsets = offsets1;
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}
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return 'left' === basePlacement ? (popper.top += offsets[0], popper.left -= offsets[1]) : 'right' === basePlacement ? (popper.top += offsets[0], popper.left += offsets[1]) : 'top' === basePlacement ? (popper.left += offsets[0], popper.top -= offsets[1]) : 'bottom' === basePlacement && (popper.left += offsets[0], popper.top += offsets[1]), data.popper = popper, data;
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},
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offset: 0
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}
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};
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