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- import { setUIValue, clearInitialValue, getUIValue } from '../document/UI.js';
- import { isElementType } from '../utils/misc/isElementType.js';
- import '../utils/dataTransfer/Clipboard.js';
- import { isValidDateOrTimeValue, buildTimeValue } from '../utils/edit/timeValue.js';
- import { supportsMaxLength, getMaxLength } from '../utils/edit/maxLength.js';
- import { getNextCursorPosition } from '../utils/focus/cursor.js';
- import { commitValueAfterInput } from '../document/trackValue.js';
- import { getInputRange } from './selection/getInputRange.js';
- import { setSelection } from './selection/setSelection.js';
- function isDateOrTime(element) {
- return isElementType(element, 'input') && [
- 'date',
- 'time'
- ].includes(element.type);
- }
- function input(instance, element, data, inputType = 'insertText') {
- const inputRange = getInputRange(element);
- /* istanbul ignore if */ if (!inputRange) {
- return;
- }
- // There is no `beforeinput` event on `date` and `time` input
- if (!isDateOrTime(element)) {
- const unprevented = instance.dispatchUIEvent(element, 'beforeinput', {
- inputType,
- data
- });
- if (!unprevented) {
- return;
- }
- }
- if ('startContainer' in inputRange) {
- editContenteditable(instance, element, inputRange, data, inputType);
- } else {
- editInputElement(instance, element, inputRange, data, inputType);
- }
- }
- function editContenteditable(instance, element, inputRange, data, inputType) {
- let del = false;
- if (!inputRange.collapsed) {
- del = true;
- inputRange.deleteContents();
- } else if ([
- 'deleteContentBackward',
- 'deleteContentForward'
- ].includes(inputType)) {
- const nextPosition = getNextCursorPosition(inputRange.startContainer, inputRange.startOffset, inputType === 'deleteContentBackward' ? -1 : 1, inputType);
- if (nextPosition) {
- del = true;
- const delRange = inputRange.cloneRange();
- if (delRange.comparePoint(nextPosition.node, nextPosition.offset) < 0) {
- delRange.setStart(nextPosition.node, nextPosition.offset);
- } else {
- delRange.setEnd(nextPosition.node, nextPosition.offset);
- }
- delRange.deleteContents();
- }
- }
- if (data) {
- if (inputRange.endContainer.nodeType === 3) {
- const offset = inputRange.endOffset;
- inputRange.endContainer.insertData(offset, data);
- inputRange.setStart(inputRange.endContainer, offset + data.length);
- inputRange.setEnd(inputRange.endContainer, offset + data.length);
- } else {
- const text = element.ownerDocument.createTextNode(data);
- inputRange.insertNode(text);
- inputRange.setStart(text, data.length);
- inputRange.setEnd(text, data.length);
- }
- }
- if (del || data) {
- instance.dispatchUIEvent(element, 'input', {
- inputType
- });
- }
- }
- function editInputElement(instance, element, inputRange, data, inputType) {
- let dataToInsert = data;
- if (supportsMaxLength(element)) {
- const maxLength = getMaxLength(element);
- if (maxLength !== undefined && data.length > 0) {
- const spaceUntilMaxLength = maxLength - element.value.length;
- if (spaceUntilMaxLength > 0) {
- dataToInsert = data.substring(0, spaceUntilMaxLength);
- } else {
- return;
- }
- }
- }
- const { newValue, newOffset, oldValue } = calculateNewValue(dataToInsert, element, inputRange, inputType);
- if (newValue === oldValue && newOffset === inputRange.startOffset && newOffset === inputRange.endOffset) {
- return;
- }
- if (isElementType(element, 'input', {
- type: 'number'
- }) && !isValidNumberInput(newValue)) {
- return;
- }
- setUIValue(element, newValue);
- setSelection({
- focusNode: element,
- anchorOffset: newOffset,
- focusOffset: newOffset
- });
- if (isDateOrTime(element)) {
- if (isValidDateOrTimeValue(element, newValue)) {
- commitInput(instance, element, newOffset, {});
- instance.dispatchUIEvent(element, 'change');
- clearInitialValue(element);
- }
- } else {
- commitInput(instance, element, newOffset, {
- data,
- inputType
- });
- }
- }
- function calculateNewValue(inputData, node, { startOffset, endOffset }, inputType) {
- const value = getUIValue(node);
- const prologEnd = Math.max(0, startOffset === endOffset && inputType === 'deleteContentBackward' ? startOffset - 1 : startOffset);
- const prolog = value.substring(0, prologEnd);
- const epilogStart = Math.min(value.length, startOffset === endOffset && inputType === 'deleteContentForward' ? startOffset + 1 : endOffset);
- const epilog = value.substring(epilogStart, value.length);
- let newValue = `${prolog}${inputData}${epilog}`;
- let newOffset = prologEnd + inputData.length;
- if (isElementType(node, 'input', {
- type: 'time'
- })) {
- const builtValue = buildTimeValue(newValue);
- if (builtValue !== '' && isValidDateOrTimeValue(node, builtValue)) {
- newValue = builtValue;
- newOffset = builtValue.length;
- }
- }
- return {
- oldValue: value,
- newValue,
- newOffset
- };
- }
- function commitInput(instance, element, newOffset, inputInit) {
- instance.dispatchUIEvent(element, 'input', inputInit);
- commitValueAfterInput(element, newOffset);
- }
- function isValidNumberInput(value) {
- var _value_match, _value_match1;
- // the browser allows some invalid input but not others
- // it allows up to two '-' at any place before any 'e' or one directly following 'e'
- // it allows one '.' at any place before e
- const valueParts = value.split('e', 2);
- return !(/[^\d.\-e]/.test(value) || Number((_value_match = value.match(/-/g)) === null || _value_match === undefined ? undefined : _value_match.length) > 2 || Number((_value_match1 = value.match(/\./g)) === null || _value_match1 === undefined ? undefined : _value_match1.length) > 1 || valueParts[1] && !/^-?\d*$/.test(valueParts[1]));
- }
- export { input };
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