259 lines
9.9 KiB
JavaScript
259 lines
9.9 KiB
JavaScript
import getCompositeRect from "./dom-utils/getCompositeRect.js";
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import getLayoutRect from "./dom-utils/getLayoutRect.js";
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import listScrollParents from "./dom-utils/listScrollParents.js";
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import getOffsetParent from "./dom-utils/getOffsetParent.js";
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import getComputedStyle from "./dom-utils/getComputedStyle.js";
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import orderModifiers from "./utils/orderModifiers.js";
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import debounce from "./utils/debounce.js";
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import validateModifiers from "./utils/validateModifiers.js";
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import uniqueBy from "./utils/uniqueBy.js";
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import getBasePlacement from "./utils/getBasePlacement.js";
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import mergeByName from "./utils/mergeByName.js";
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import detectOverflow from "./utils/detectOverflow.js";
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import { isElement } from "./dom-utils/instanceOf.js";
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import { auto } from "./enums.js";
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var INVALID_ELEMENT_ERROR = 'Popper: Invalid reference or popper argument provided. They must be either a DOM element or virtual element.';
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var INFINITE_LOOP_ERROR = 'Popper: An infinite loop in the modifiers cycle has been detected! The cycle has been interrupted to prevent a browser crash.';
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var DEFAULT_OPTIONS = {
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placement: 'bottom',
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modifiers: [],
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strategy: 'absolute'
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};
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function areValidElements() {
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for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
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args[_key] = arguments[_key];
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}
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return !args.some(function (element) {
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return !(element && typeof element.getBoundingClientRect === 'function');
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});
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}
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export function popperGenerator(generatorOptions) {
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if (generatorOptions === void 0) {
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generatorOptions = {};
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}
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var _generatorOptions = generatorOptions,
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_generatorOptions$def = _generatorOptions.defaultModifiers,
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defaultModifiers = _generatorOptions$def === void 0 ? [] : _generatorOptions$def,
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_generatorOptions$def2 = _generatorOptions.defaultOptions,
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defaultOptions = _generatorOptions$def2 === void 0 ? DEFAULT_OPTIONS : _generatorOptions$def2;
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return function createPopper(reference, popper, options) {
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if (options === void 0) {
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options = defaultOptions;
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}
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var state = {
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placement: 'bottom',
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orderedModifiers: [],
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options: Object.assign({}, DEFAULT_OPTIONS, defaultOptions),
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modifiersData: {},
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elements: {
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reference: reference,
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popper: popper
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},
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attributes: {},
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styles: {}
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};
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var effectCleanupFns = [];
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var isDestroyed = false;
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var instance = {
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state: state,
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setOptions: function setOptions(setOptionsAction) {
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var options = typeof setOptionsAction === 'function' ? setOptionsAction(state.options) : setOptionsAction;
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cleanupModifierEffects();
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state.options = Object.assign({}, defaultOptions, state.options, options);
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state.scrollParents = {
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reference: isElement(reference) ? listScrollParents(reference) : reference.contextElement ? listScrollParents(reference.contextElement) : [],
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popper: listScrollParents(popper)
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}; // Orders the modifiers based on their dependencies and `phase`
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// properties
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var orderedModifiers = orderModifiers(mergeByName([].concat(defaultModifiers, state.options.modifiers))); // Strip out disabled modifiers
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state.orderedModifiers = orderedModifiers.filter(function (m) {
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return m.enabled;
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}); // Validate the provided modifiers so that the consumer will get warned
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// if one of the modifiers is invalid for any reason
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if (process.env.NODE_ENV !== "production") {
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var modifiers = uniqueBy([].concat(orderedModifiers, state.options.modifiers), function (_ref) {
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var name = _ref.name;
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return name;
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});
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validateModifiers(modifiers);
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if (getBasePlacement(state.options.placement) === auto) {
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var flipModifier = state.orderedModifiers.find(function (_ref2) {
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var name = _ref2.name;
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return name === 'flip';
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});
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if (!flipModifier) {
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console.error(['Popper: "auto" placements require the "flip" modifier be', 'present and enabled to work.'].join(' '));
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}
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}
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var _getComputedStyle = getComputedStyle(popper),
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marginTop = _getComputedStyle.marginTop,
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marginRight = _getComputedStyle.marginRight,
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marginBottom = _getComputedStyle.marginBottom,
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marginLeft = _getComputedStyle.marginLeft; // We no longer take into account `margins` on the popper, and it can
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// cause bugs with positioning, so we'll warn the consumer
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if ([marginTop, marginRight, marginBottom, marginLeft].some(function (margin) {
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return parseFloat(margin);
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})) {
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console.warn(['Popper: CSS "margin" styles cannot be used to apply padding', 'between the popper and its reference element or boundary.', 'To replicate margin, use the `offset` modifier, as well as', 'the `padding` option in the `preventOverflow` and `flip`', 'modifiers.'].join(' '));
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}
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}
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runModifierEffects();
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return instance.update();
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},
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// Sync update – it will always be executed, even if not necessary. This
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// is useful for low frequency updates where sync behavior simplifies the
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// logic.
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// For high frequency updates (e.g. `resize` and `scroll` events), always
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// prefer the async Popper#update method
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forceUpdate: function forceUpdate() {
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if (isDestroyed) {
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return;
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}
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var _state$elements = state.elements,
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reference = _state$elements.reference,
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popper = _state$elements.popper; // Don't proceed if `reference` or `popper` are not valid elements
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// anymore
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if (!areValidElements(reference, popper)) {
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if (process.env.NODE_ENV !== "production") {
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console.error(INVALID_ELEMENT_ERROR);
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}
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return;
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} // Store the reference and popper rects to be read by modifiers
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state.rects = {
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reference: getCompositeRect(reference, getOffsetParent(popper), state.options.strategy === 'fixed'),
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popper: getLayoutRect(popper)
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}; // Modifiers have the ability to reset the current update cycle. The
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// most common use case for this is the `flip` modifier changing the
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// placement, which then needs to re-run all the modifiers, because the
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// logic was previously ran for the previous placement and is therefore
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// stale/incorrect
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state.reset = false;
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state.placement = state.options.placement; // On each update cycle, the `modifiersData` property for each modifier
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// is filled with the initial data specified by the modifier. This means
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// it doesn't persist and is fresh on each update.
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// To ensure persistent data, use `${name}#persistent`
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state.orderedModifiers.forEach(function (modifier) {
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return state.modifiersData[modifier.name] = Object.assign({}, modifier.data);
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});
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var __debug_loops__ = 0;
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for (var index = 0; index < state.orderedModifiers.length; index++) {
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if (process.env.NODE_ENV !== "production") {
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__debug_loops__ += 1;
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if (__debug_loops__ > 100) {
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console.error(INFINITE_LOOP_ERROR);
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break;
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}
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}
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if (state.reset === true) {
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state.reset = false;
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index = -1;
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continue;
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}
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var _state$orderedModifie = state.orderedModifiers[index],
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fn = _state$orderedModifie.fn,
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_state$orderedModifie2 = _state$orderedModifie.options,
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_options = _state$orderedModifie2 === void 0 ? {} : _state$orderedModifie2,
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name = _state$orderedModifie.name;
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if (typeof fn === 'function') {
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state = fn({
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state: state,
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options: _options,
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name: name,
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instance: instance
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}) || state;
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}
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}
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},
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// Async and optimistically optimized update – it will not be executed if
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// not necessary (debounced to run at most once-per-tick)
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update: debounce(function () {
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return new Promise(function (resolve) {
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instance.forceUpdate();
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resolve(state);
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});
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}),
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destroy: function destroy() {
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cleanupModifierEffects();
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isDestroyed = true;
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}
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};
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if (!areValidElements(reference, popper)) {
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if (process.env.NODE_ENV !== "production") {
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console.error(INVALID_ELEMENT_ERROR);
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}
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return instance;
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}
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instance.setOptions(options).then(function (state) {
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if (!isDestroyed && options.onFirstUpdate) {
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options.onFirstUpdate(state);
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}
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}); // Modifiers have the ability to execute arbitrary code before the first
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// update cycle runs. They will be executed in the same order as the update
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// cycle. This is useful when a modifier adds some persistent data that
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// other modifiers need to use, but the modifier is run after the dependent
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// one.
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function runModifierEffects() {
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state.orderedModifiers.forEach(function (_ref3) {
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var name = _ref3.name,
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_ref3$options = _ref3.options,
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options = _ref3$options === void 0 ? {} : _ref3$options,
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effect = _ref3.effect;
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if (typeof effect === 'function') {
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var cleanupFn = effect({
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state: state,
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name: name,
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instance: instance,
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options: options
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});
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var noopFn = function noopFn() {};
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effectCleanupFns.push(cleanupFn || noopFn);
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}
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});
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}
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function cleanupModifierEffects() {
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effectCleanupFns.forEach(function (fn) {
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return fn();
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});
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effectCleanupFns = [];
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}
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return instance;
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};
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}
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export var createPopper = /*#__PURE__*/popperGenerator(); // eslint-disable-next-line import/no-unused-modules
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export { detectOverflow }; |