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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
- Use the same Browserlist configuration as Bootstrap 4.6

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

Close: ttskch#49, ttskch#60, ttskch#61, ttskch#19
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@tagliala
tagliala committed Mar 14, 2021
1 parent 34f5878 commit 41917f4
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Showing 7 changed files with 244 additions and 252 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
}
}
189 changes: 87 additions & 102 deletions dist/select2-bootstrap4.css
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Original file line number Diff line number Diff line change
Expand Up @@ -4,9 +4,8 @@
outline: 0; }

.input-group .select2-container--bootstrap4 {
-webkit-box-flex: 1;
-ms-flex-positive: 1;
flex-grow: 1; }
-ms-flex-positive: 1;
flex-grow: 1; }

.input-group-prepend ~ .select2-container--bootstrap4 .select2-selection {
border-top-left-radius: 0;
Expand All @@ -18,27 +17,25 @@

.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-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
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; }
transition: background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out; }
@media (prefers-reduced-motion: reduce) {
.select2-container--bootstrap4 .select2-selection {
-webkit-transition: none;
transition: none; } }

.select2-container--bootstrap4.select2-container--focus .select2-selection {
border-color: #80bdff;
-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; }
box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25); }

.select2-container--bootstrap4.select2-container--open.select2-container--above .select2-selection {
border-top-left-radius: 0;
Expand All @@ -48,15 +45,12 @@
border-bottom-right-radius: 0;
border-bottom-left-radius: 0; }

.select2-container--bootstrap4.select2-container--disabled .select2-selection, .select2-container--bootstrap4.select2-container--disabled.select2-container--focus .select2-selection {
.select2-container--bootstrap4.select2-container--disabled .select2-selection,
.select2-container--bootstrap4.select2-container--disabled .select2-search__field {
cursor: not-allowed;
background-color: #e9ecef;
border-color: #ced4da;
-webkit-box-shadow: none;
box-shadow: none; }

.select2-container--bootstrap4.select2-container--disabled .select2-search__field, .select2-container--bootstrap4.select2-container--disabled.select2-container--focus .select2-search__field {
background-color: transparent; }
box-shadow: none; }

select.is-invalid ~ .select2-container--bootstrap4 .select2-selection,
form.was-validated select:invalid ~ .select2-container--bootstrap4 .select2-selection {
Expand All @@ -66,136 +60,127 @@ 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"] {
color: #212529;
background-color: #f2f2f2; }

.select2-container--bootstrap4 .select2-results__option--highlighted,
.select2-container--bootstrap4 .select2-results__option--highlighted.select2-results__option[aria-selected="true"] {
color: #fff;
background-color: #007bff; }

.select2-container--bootstrap4 .select2-results__option[role="group"] {
padding: 0; }
.select2-container--bootstrap4 .select2-results__option[role="group"] .select2-results__options--nested .select2-results__option {
padding-left: 1em; }

.select2-container--bootstrap4 .select2-results__option {
padding: 0.375rem 0.75rem; }
.select2-container--bootstrap4 .select2-results__option--selected {
color: #212529;
background-color: #e9ecef; }
.select2-container--bootstrap4 .select2-results__option--disabled {
color: #6c757d; }
.select2-container--bootstrap4 .select2-results__option--highlighted {
color: #fff;
background-color: #007bff; }
.select2-container--bootstrap4 .select2-results__option--group {
padding: 0; }
.select2-container--bootstrap4 .select2-results__option--group .select2-results__options--nested .select2-results__option {
padding-left: 0.75rem; }

.select2-container--bootstrap4 .select2-results > .select2-results__options {
max-height: 15em;
overflow-y: auto; }

.select2-container--bootstrap4 .select2-results__group {
display: list-item;
padding: 6px;
padding: 0.375rem 0.375rem;
color: #6c757d; }

.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-results__message {
color: #6c757d; }

.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 {
.select2-container--bootstrap4 .select2-search--dropdown .select2-search__field {
padding: 0.375rem 0.75rem;
color: #495057;
border: 1px solid #ced4da;
border-radius: 0.25rem; }

.select2-results__message {
color: #6c757d; }
.select2-container--bootstrap4 .select2-search--dropdown .select2-search__field:focus {
color: #495057;
background-color: #fff;
border-color: #80bdff;
outline: 0;
box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25); }

.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;
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
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;
padding-left: 5px;
cursor: not-allowed; }
.select2-container--bootstrap4.select2-container--disabled .select2-selection--multiple .select2-selection__choice .select2-selection__choice__remove {
display: none; }
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