133 lines
3.7 KiB
JavaScript
133 lines
3.7 KiB
JavaScript
((global) => {
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const debounceTimeoutDuration = 1000;
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const invalidInputClass = 'gl-field-error-outline';
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const successInputClass = 'gl-field-success-outline';
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const unavailableMessageSelector = '.username .validation-error';
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const successMessageSelector = '.username .validation-success';
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const pendingMessageSelector = '.username .validation-pending';
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const invalidMessageSelector = '.username .gl-field-error';
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class UsernameValidator {
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constructor() {
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this.inputElement = $('#new_user_username');
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this.inputDomElement = this.inputElement.get(0);
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this.state = {
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available: false,
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valid: false,
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pending: false,
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empty: true
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};
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const debounceTimeout = _.debounce((username) => {
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this.validateUsername(username);
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}, debounceTimeoutDuration);
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this.inputElement.on('keyup.username_check', () => {
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const username = this.inputElement.val();
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this.state.valid = this.inputDomElement.validity.valid;
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this.state.empty = !username.length;
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if (this.state.valid) {
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return debounceTimeout(username);
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}
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this.renderState();
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});
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// Override generic field validation
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this.inputElement.on('invalid', this.interceptInvalid.bind(this));
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}
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renderState() {
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// Clear all state
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this.clearFieldValidationState();
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if (this.state.valid && this.state.available) {
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return this.setSuccessState();
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}
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if (this.state.empty) {
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return this.clearFieldValidationState();
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}
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if (this.state.pending) {
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return this.setPendingState();
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}
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if (!this.state.available) {
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return this.setUnavailableState();
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}
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if (!this.state.valid) {
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return this.setInvalidState();
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}
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}
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interceptInvalid(event) {
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event.preventDefault();
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event.stopPropagation();
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}
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validateUsername(username) {
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if (this.state.valid) {
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this.state.pending = true;
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this.state.available = false;
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this.renderState();
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return $.ajax({
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type: 'GET',
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url: `/users/${username}/exists`,
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dataType: 'json',
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success: (res) => this.setAvailabilityState(res.exists)
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});
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}
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}
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setAvailabilityState(usernameTaken) {
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if (usernameTaken) {
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this.state.valid = false;
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this.state.available = false;
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} else {
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this.state.available = true;
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}
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this.state.pending = false;
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this.renderState();
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}
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clearFieldValidationState() {
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this.inputElement.siblings('p').hide();
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this.inputElement.removeClass(invalidInputClass)
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.removeClass(successInputClass);
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}
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setUnavailableState() {
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const $usernameUnavailableMessage = this.inputElement.siblings(unavailableMessageSelector);
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this.inputElement.addClass(invalidInputClass).removeClass(successInputClass);
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$usernameUnavailableMessage.show();
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}
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setSuccessState() {
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const $usernameSuccessMessage = this.inputElement.siblings(successMessageSelector);
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this.inputElement.addClass(successInputClass).removeClass(invalidInputClass);
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$usernameSuccessMessage.show();
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}
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setPendingState() {
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const $usernamePendingMessage = $(pendingMessageSelector);
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if (this.state.pending) {
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$usernamePendingMessage.show();
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} else {
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$usernamePendingMessage.hide();
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}
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}
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setInvalidState() {
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const $inputErrorMessage = $(invalidMessageSelector);
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this.inputElement.addClass(invalidInputClass).removeClass(successInputClass);
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$inputErrorMessage.show();
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}
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}
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global.UsernameValidator = UsernameValidator;
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})(window);
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