79 lines
2.1 KiB
TypeScript
79 lines
2.1 KiB
TypeScript
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/**
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* For the full copyright and license information, please view the
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* docs/licenses/LICENSE.txt file that was distributed with this source code.
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*/
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const {$} = window;
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/**
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* Toggle Postcode input requirement on country selection
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*
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* Usage:
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*
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* <!-- Country select options must have need_postcode attribute when needed -->
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* <select name="id_country" id="id_country" states-url="path/to/states/api">
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* ...
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* <option value="6" need_postcode="1">Spain</value>
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* ...
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* </select>
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*
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* In JS:
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*
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* new CountryPostcodeRequiredToggler('#id_country', '#id_country_postcode', 'label[for="id_country_postcode"]');
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*/
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export default class CountryPostcodeRequiredToggler {
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$countryPostcodeInput: JQuery;
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$countryPostcodeInputLabel: JQuery;
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$countryInput: JQuery;
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countryInputSelectedSelector: string;
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countryPostcodeInputLabelDangerSelector: string;
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constructor(
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countryInputSelector: string,
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countryPostcodeInput: string,
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countryPostcodeInputLabel: string,
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) {
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this.$countryPostcodeInput = $(countryPostcodeInput);
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this.$countryPostcodeInputLabel = $(countryPostcodeInputLabel);
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this.$countryInput = $(countryInputSelector);
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this.countryInputSelectedSelector = `${countryInputSelector}>option:selected`;
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this.countryPostcodeInputLabelDangerSelector = `${countryPostcodeInputLabel}>span.text-danger`;
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// If field is required regardless of the country
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// keep it required
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if (this.$countryPostcodeInput.attr('required')) {
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return;
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}
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this.$countryInput.on('change', () => this.toggle());
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// toggle on page load
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this.toggle();
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}
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/**
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* Toggles Postcode input required
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*
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* @private
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*/
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private toggle(): void {
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$(this.countryPostcodeInputLabelDangerSelector).remove();
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this.$countryPostcodeInput.prop('required', false);
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if (
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parseInt(
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<string>$(this.countryInputSelectedSelector).attr('need_postcode'),
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10,
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) === 1
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) {
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this.$countryPostcodeInput.prop('required', true);
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this.$countryPostcodeInputLabel.prepend(
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$('<span class="text-danger">*</span>'),
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);
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}
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}
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}
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