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47 lines
1.9 KiB
47 lines
1.9 KiB
import getVariation from "./getVariation.js";
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import { variationPlacements, basePlacements, placements as allPlacements } from "../enums.js";
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import detectOverflow from "./detectOverflow.js";
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import getBasePlacement from "./getBasePlacement.js";
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export default function computeAutoPlacement(state, options) {
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if (options === void 0) {
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options = {};
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}
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var _options = options,
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placement = _options.placement,
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boundary = _options.boundary,
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rootBoundary = _options.rootBoundary,
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padding = _options.padding,
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flipVariations = _options.flipVariations,
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_options$allowedAutoP = _options.allowedAutoPlacements,
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allowedAutoPlacements = _options$allowedAutoP === void 0 ? allPlacements : _options$allowedAutoP;
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var variation = getVariation(placement);
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var placements = variation ? flipVariations ? variationPlacements : variationPlacements.filter(function (placement) {
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return getVariation(placement) === variation;
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}) : basePlacements;
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var allowedPlacements = placements.filter(function (placement) {
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return allowedAutoPlacements.indexOf(placement) >= 0;
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});
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if (allowedPlacements.length === 0) {
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allowedPlacements = placements;
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if (false) {
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console.error(['Popper: The `allowedAutoPlacements` option did not allow any', 'placements. Ensure the `placement` option matches the variation', 'of the allowed placements.', 'For example, "auto" cannot be used to allow "bottom-start".', 'Use "auto-start" instead.'].join(' '));
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}
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} // $FlowFixMe[incompatible-type]: Flow seems to have problems with two array unions...
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var overflows = allowedPlacements.reduce(function (acc, placement) {
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acc[placement] = detectOverflow(state, {
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placement: placement,
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boundary: boundary,
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rootBoundary: rootBoundary,
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padding: padding
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})[getBasePlacement(placement)];
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return acc;
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}, {});
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return Object.keys(overflows).sort(function (a, b) {
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return overflows[a] - overflows[b];
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});
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}
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