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Add compatibility with Select2 4.1
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- Uses Bootstrap's `custom-select` implementation for uniformity
- Use SVG background image for clear button
- Add some lints to improve code readability

Ref: https://getbootstrap.com/docs/4.6/components/forms/#select-menu

Close: #49
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@tagliala
tagliala committed Mar 2, 2021
1 parent f80e235 commit 79d4f47
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Showing 6 changed files with 162 additions and 235 deletions.
9 changes: 8 additions & 1 deletion .stylelintrc
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Expand Up @@ -3,6 +3,13 @@
"stylelint-config-twbs-bootstrap/scss"
],
"rules": {
"selector-class-pattern": "^[a-z][a-z0-9\\-_]*[a-z0-9]$"
"block-closing-brace-empty-line-before": "never",
"declaration-no-important": null,
"rule-empty-line-before": ["always", {
"except": ["first-nested"],
"ignore": ["after-comment"]
}],
"selector-class-pattern": "^[a-z][a-z0-9\\-_]*[a-z0-9]$",
"selector-no-qualifying-type": null
}
}
128 changes: 57 additions & 71 deletions dist/select2-bootstrap4.css
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Expand Up @@ -18,13 +18,20 @@

.select2-container--bootstrap4 .select2-selection {
width: 100%;
min-height: calc(1.5em + 0.75rem + 2px);
padding: 0.375rem 1.75rem 0.375rem 0.75rem;
font-size: 1rem;
font-weight: 400;
line-height: 1.5;
color: #495057;
vertical-align: middle;
background-color: #fff;
border: 1px solid #ced4da;
border-radius: 0.25rem;
-webkit-transition: border-color 0.15s ease-in-out, -webkit-box-shadow 0.15s ease-in-out;
transition: border-color 0.15s ease-in-out, -webkit-box-shadow 0.15s ease-in-out;
transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out, -webkit-box-shadow 0.15s ease-in-out; }
-webkit-transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, -webkit-box-shadow 0.15s ease-in-out;
transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, -webkit-box-shadow 0.15s ease-in-out;
transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out, -webkit-box-shadow 0.15s ease-in-out; }
@media (prefers-reduced-motion: reduce) {
.select2-container--bootstrap4 .select2-selection {
-webkit-transition: none;
Expand All @@ -35,11 +42,6 @@
-webkit-box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25); }

.select2-container--bootstrap4.select2-container--focus.select2-container--open .select2-selection {
border-bottom: none;
border-bottom-right-radius: 0;
border-bottom-left-radius: 0; }

.select2-container--bootstrap4.select2-container--open.select2-container--above .select2-selection {
border-top-left-radius: 0;
border-top-right-radius: 0; }
Expand All @@ -66,18 +68,13 @@ select.is-valid ~ .select2-container--bootstrap4 .select2-selection,
form.was-validated select:valid ~ .select2-container--bootstrap4 .select2-selection {
border-color: #28a745; }

.select2-container--bootstrap4 .select2-search {
width: 100%; }

.select2-container--bootstrap4 .select2-dropdown {
border-color: #ced4da;
border-radius: 0; }
.select2-container--bootstrap4 .select2-dropdown.select2-dropdown--below {
border-top: none;
border-bottom-right-radius: 0.25rem;
border-bottom-left-radius: 0.25rem; }
.select2-container--bootstrap4 .select2-dropdown.select2-dropdown--above {
border-top: 1px solid #ced4da;
border-top-left-radius: 0.25rem;
border-top-right-radius: 0.25rem; }
.select2-container--bootstrap4 .select2-dropdown .select2-results__option[aria-selected="true"] {
Expand Down Expand Up @@ -108,42 +105,26 @@ form.was-validated select:valid ~ .select2-container--bootstrap4 .select2-select

.select2-container--bootstrap4 .select2-selection__clear {
float: right;
width: .9em;
height: .9em;
padding-left: .15em;
margin-top: .7em;
margin-right: .3em;
line-height: .75em;
color: #f8f9fa;
background-color: #c8c8c8;
width: 1em;
height: 1em;
padding: 0;
margin: 0.25em 0 0;
font-weight: 700;
line-height: 0.75em;
color: #495057;
background: #e6e6e6 url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 16 16'%3e%3cpath fill='%23495057' d='M1 12l4-4-4-4 3-3 4 4 4-4 3 3-4 4 4 4-3 3-4-4-4 4z'/%3e%3c/svg%3e") center no-repeat !important;
border-radius: 100%; }
.select2-container--bootstrap4 .select2-selection__clear span {
display: none; }
.select2-container--bootstrap4 .select2-selection__clear:hover {
background-color: #afafaf; }
background-color: #d9d9d9 !important; }

.select2-container--bootstrap4 .select2-selection--single {
height: calc(1.5em + 0.75rem + 2px) !important; }
background: #fff url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='4' height='5' viewBox='0 0 4 5'%3e%3cpath fill='%23343a40' d='M2 0L0 2h4zm0 5L0 3h4z'/%3e%3c/svg%3e") right 0.75rem center/8px 10px no-repeat; }
.select2-container--bootstrap4 .select2-selection--single .select2-selection__placeholder {
line-height: calc(1.5em + 0.75rem);
color: #6c757d; }
.select2-container--bootstrap4 .select2-selection--single .select2-selection__arrow {
position: absolute;
top: 50%;
right: 3px;
width: 20px; }
.select2-container--bootstrap4 .select2-selection--single .select2-selection__arrow b {
position: absolute;
top: 60%;
left: 50%;
width: 0;
height: 0;
margin-top: -2px;
margin-left: -4px;
border-color: #343a40 transparent transparent transparent;
border-style: solid;
border-width: 5px 4px 0; }
.select2-container--bootstrap4 .select2-selection--single .select2-selection__rendered {
padding-left: 0.75rem;
line-height: calc(1.5em + 0.75rem);
padding: 0;
color: #495057; }

.select2-search--dropdown .select2-search__field {
Expand All @@ -155,44 +136,49 @@ form.was-validated select:valid ~ .select2-container--bootstrap4 .select2-select
color: #6c757d; }

.select2-container--bootstrap4 .select2-selection--multiple {
min-height: calc(1.5em + 0.75rem + 2px) !important; }
padding: 0 0.75rem; }
.select2-container--bootstrap4 .select2-selection--multiple .select2-selection__rendered {
-webkit-box-sizing: border-box;
box-sizing: border-box;
width: 100%;
padding: 0 0.375rem;
margin: 0;
list-style: none; }
margin: 0; }
.select2-container--bootstrap4 .select2-selection--multiple .select2-search--inline {
display: inline-block; }
.select2-container--bootstrap4 .select2-selection--multiple .select2-selection__choice {
float: left;
padding: 0;
padding-right: 0.75rem;
margin-top: calc(0.375rem - 2px);
margin-right: 0.375rem;
color: #495057;
position: relative;
display: inline-block;
padding: 0 5px 0 21px;
margin: 0.375rem 0.375rem 0.375rem 0;
color: #fff;
vertical-align: top;
cursor: pointer;
border: 1px solid #bdc6d0;
background-color: #6c757d;
border-radius: 0.2rem; }
.select2-container--bootstrap4 .select2-selection--multiple .select2-selection__choice__display {
padding: 0 5px; }
.select2-container--bootstrap4 .select2-selection--multiple .select2-search__field {
height: calc(1.5em + 0.75rem);
padding-top: 0.375rem;
margin: 0;
line-height: 1.5;
color: #495057; }
.select2-container--bootstrap4 .select2-selection--multiple .select2-selection__choice + .select2-search {
width: 0; }
.select2-container--bootstrap4 .select2-selection--multiple .select2-selection__choice__remove {
float: left;
padding-right: 3px;
padding-left: 3px;
margin-right: 1px;
margin-left: 3px;
position: absolute;
top: 0;
left: 0;
padding: 0 5px;
margin: 0;
font-weight: 700;
color: #bdc6d0; }
color: rgba(255, 255, 255, 0.75);
cursor: pointer;
background: none;
border: none;
border-right: 1px solid #a1a8ae; }
.select2-container--bootstrap4 .select2-selection--multiple .select2-selection__choice__remove:hover {
color: #343a40; }
color: rgba(255, 255, 255, 0.85); }
.select2-container--bootstrap4 .select2-selection--multiple.select2-selection--clearable {
padding-right: 32px; }
.select2-container--bootstrap4 .select2-selection--multiple .select2-selection__clear {
position: absolute !important;
top: 0;
right: .7em;
float: none;
margin-right: 0; }
position: absolute;
top: 0.375rem;
right: 0.75rem; }

.select2-container--bootstrap4.select2-container--disabled .select2-selection--multiple .select2-selection__choice {
padding: 0 5px;
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57 changes: 0 additions & 57 deletions docs/index.html
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Expand Up @@ -23,18 +23,6 @@ <h3>Example of <a href="https://github.com/ttskch/select2-bootstrap4-theme" targ
<hr>

<form>
<div class="form-group">
<label>Reference select</label>
<select class="custom-select">
<option value="" hidden="hidden">Choose one thing</option>
<option>1</option>
<option>2</option>
<option>3</option>
<option>4</option>
<option>5</option>
</select>
</div>

<div class="form-group">
<label>Example of select</label>
<select data-placeholder="Choose one thing" data-allow-clear="1">
Expand All @@ -47,16 +35,6 @@ <h3>Example of <a href="https://github.com/ttskch/select2-bootstrap4-theme" targ
</select>
</div>

<div class="form-group">
<label>Example of select (pre-selected)</label>
<select data-placeholder="Choose one thing" data-allow-clear="1">
<option></option>
<option selected="selected">1</option>
<option>2</option>
<option>3</option>
</select>
</div>

<div class="form-group">
<label>Example of multiple select</label>
<select multiple data-placeholder="Choose anything" data-allow-clear="1">
Expand All @@ -83,41 +61,6 @@ <h3>Example of <a href="https://github.com/ttskch/select2-bootstrap4-theme" targ
</select>
</div>

<div class="form-group">
<label>Example of multiple select (pre-selected)</label>
<select multiple data-placeholder="Choose anything" data-allow-clear="1">
<option selected="selected">Tommy Yount</option>
<option>Hye Panter</option>
<option>Vi Yohe</option>
</select>
</div>

<div class="form-group">
<label>Example of multiple select (many pre-selected)</label>
<select multiple data-placeholder="Choose anything" data-allow-clear="1">
<option selected="selected">Tommy Yount</option>
<option selected="selected">Hye Panter</option>
<option selected="selected">Vi Yohe</option>
<option selected="selected">Keva Bandy</option>
<option selected="selected">Hannelore Corning</option>
<option selected="selected">Delorse Whitcher</option>
<option selected="selected">Katharyn Marrinan</option>
<option selected="selected">Jeannine Tope</option>
<option selected="selected">Jamila Braggs</option>
<option selected="selected">Eden Cunniff</option>
<option selected="selected">Suzy Schoen</option>
<option selected="selected">Elza Mccook</option>
<option selected="selected">Liana Goris</option>
<option selected="selected">Pauletta Schlabach</option>
<option selected="selected">Synthia Dupuis</option>
<option selected="selected">Scarlett Kestler</option>
<option selected="selected">Magdalen Mele</option>
<option selected="selected">Susanna Schenk</option>
<option selected="selected">Else Stupka</option>
<option selected="selected">Pennie Khang</option>
</select>
</div>

<div class="form-group">
<label>Example of disabled select</label>
<select disabled data-placeholder="Cannot choose" data-allow-clear="1">
Expand Down
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