paste.js
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"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.paste = paste;
var _dom = require("@testing-library/dom");
var _utils = require("./utils");
function paste(element, text, init, {
initialSelectionStart,
initialSelectionEnd
} = {}) {
if (element.disabled) return;
if (typeof element.value === 'undefined') {
throw new TypeError(`the current element is of type ${element.tagName} and doesn't have a valid value`);
}
(0, _utils.eventWrapper)(() => element.focus()); // by default, a new element has it's selection start and end at 0
// but most of the time when people call "paste", they expect it to paste
// at the end of the current input value. So, if the selection start
// and end are both the default of 0, then we'll go ahead and change
// them to the length of the current value.
// the only time it would make sense to pass the initialSelectionStart or
// initialSelectionEnd is if you have an input with a value and want to
// explicitely start typing with the cursor at 0. Not super common.
if (element.selectionStart === 0 && element.selectionEnd === 0) {
(0, _utils.setSelectionRangeIfNecessary)(element, initialSelectionStart != null ? initialSelectionStart : element.value.length, initialSelectionEnd != null ? initialSelectionEnd : element.value.length);
}
_dom.fireEvent.paste(element, init);
if (!element.readOnly) {
const {
newValue,
newSelectionStart
} = (0, _utils.calculateNewValue)(text, element);
_dom.fireEvent.input(element, {
inputType: 'insertFromPaste',
target: {
value: newValue
}
});
(0, _utils.setSelectionRangeIfNecessary)(element, {
newSelectionStart,
newSelectionEnd: newSelectionStart
});
}
}