carbon-custom-elements
Version:
A Carbon Design System variant that's as easy to use as native HTML elements, with no framework tax, no framework silo.
483 lines (408 loc) • 23.5 kB
JavaScript
let _ = t => t,
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function _decorate(decorators, factory, superClass, mixins) { var api = _getDecoratorsApi(); if (mixins) { for (var i = 0; i < mixins.length; i++) { api = mixins[i](api); } } var r = factory(function initialize(O) { api.initializeInstanceElements(O, decorated.elements); }, superClass); var decorated = api.decorateClass(_coalesceClassElements(r.d.map(_createElementDescriptor)), decorators); api.initializeClassElements(r.F, decorated.elements); return api.runClassFinishers(r.F, decorated.finishers); }
function _getDecoratorsApi() { _getDecoratorsApi = function () { return api; }; var api = { elementsDefinitionOrder: [["method"], ["field"]], initializeInstanceElements: function (O, elements) { ["method", "field"].forEach(function (kind) { elements.forEach(function (element) { if (element.kind === kind && element.placement === "own") { this.defineClassElement(O, element); } }, this); }, this); }, initializeClassElements: function (F, elements) { var proto = F.prototype; ["method", "field"].forEach(function (kind) { elements.forEach(function (element) { var placement = element.placement; if (element.kind === kind && (placement === "static" || placement === "prototype")) { var receiver = placement === "static" ? F : proto; this.defineClassElement(receiver, element); } }, this); }, this); }, defineClassElement: function (receiver, element) { var descriptor = element.descriptor; if (element.kind === "field") { var initializer = element.initializer; descriptor = { enumerable: descriptor.enumerable, writable: descriptor.writable, configurable: descriptor.configurable, value: initializer === void 0 ? void 0 : initializer.call(receiver) }; } Object.defineProperty(receiver, element.key, descriptor); }, decorateClass: function (elements, decorators) { var newElements = []; var finishers = []; var placements = { static: [], prototype: [], own: [] }; elements.forEach(function (element) { this.addElementPlacement(element, placements); }, this); elements.forEach(function (element) { if (!_hasDecorators(element)) return newElements.push(element); var elementFinishersExtras = this.decorateElement(element, placements); newElements.push(elementFinishersExtras.element); newElements.push.apply(newElements, elementFinishersExtras.extras); finishers.push.apply(finishers, elementFinishersExtras.finishers); }, this); if (!decorators) { return { elements: newElements, finishers: finishers }; } var result = this.decorateConstructor(newElements, decorators); finishers.push.apply(finishers, result.finishers); result.finishers = finishers; return result; }, addElementPlacement: function (element, placements, silent) { var keys = placements[element.placement]; if (!silent && keys.indexOf(element.key) !== -1) { throw new TypeError("Duplicated element (" + element.key + ")"); } keys.push(element.key); }, decorateElement: function (element, placements) { var extras = []; var finishers = []; for (var decorators = element.decorators, i = decorators.length - 1; i >= 0; i--) { var keys = placements[element.placement]; keys.splice(keys.indexOf(element.key), 1); var elementObject = this.fromElementDescriptor(element); var elementFinisherExtras = this.toElementFinisherExtras((0, decorators[i])(elementObject) || elementObject); element = elementFinisherExtras.element; this.addElementPlacement(element, placements); if (elementFinisherExtras.finisher) { finishers.push(elementFinisherExtras.finisher); } var newExtras = elementFinisherExtras.extras; if (newExtras) { for (var j = 0; j < newExtras.length; j++) { this.addElementPlacement(newExtras[j], placements); } extras.push.apply(extras, newExtras); } } return { element: element, finishers: finishers, extras: extras }; }, decorateConstructor: function (elements, decorators) { var finishers = []; for (var i = decorators.length - 1; i >= 0; i--) { var obj = this.fromClassDescriptor(elements); var elementsAndFinisher = this.toClassDescriptor((0, decorators[i])(obj) || obj); if (elementsAndFinisher.finisher !== undefined) { finishers.push(elementsAndFinisher.finisher); } if (elementsAndFinisher.elements !== undefined) { elements = elementsAndFinisher.elements; for (var j = 0; j < elements.length - 1; j++) { for (var k = j + 1; k < elements.length; k++) { if (elements[j].key === elements[k].key && elements[j].placement === elements[k].placement) { throw new TypeError("Duplicated element (" + elements[j].key + ")"); } } } } } return { elements: elements, finishers: finishers }; }, fromElementDescriptor: function (element) { var obj = { kind: element.kind, key: element.key, placement: element.placement, descriptor: element.descriptor }; var desc = { value: "Descriptor", configurable: true }; Object.defineProperty(obj, Symbol.toStringTag, desc); if (element.kind === "field") obj.initializer = element.initializer; return obj; }, toElementDescriptors: function (elementObjects) { if (elementObjects === undefined) return; return _toArray(elementObjects).map(function (elementObject) { var element = this.toElementDescriptor(elementObject); this.disallowProperty(elementObject, "finisher", "An element descriptor"); this.disallowProperty(elementObject, "extras", "An element descriptor"); return element; }, this); }, toElementDescriptor: function (elementObject) { var kind = String(elementObject.kind); if (kind !== "method" && kind !== "field") { throw new TypeError('An element descriptor\'s .kind property must be either "method" or' + ' "field", but a decorator created an element descriptor with' + ' .kind "' + kind + '"'); } var key = _toPropertyKey(elementObject.key); var placement = String(elementObject.placement); if (placement !== "static" && placement !== "prototype" && placement !== "own") { throw new TypeError('An element descriptor\'s .placement property must be one of "static",' + ' "prototype" or "own", but a decorator created an element descriptor' + ' with .placement "' + placement + '"'); } var descriptor = elementObject.descriptor; this.disallowProperty(elementObject, "elements", "An element descriptor"); var element = { kind: kind, key: key, placement: placement, descriptor: Object.assign({}, descriptor) }; if (kind !== "field") { this.disallowProperty(elementObject, "initializer", "A method descriptor"); } else { this.disallowProperty(descriptor, "get", "The property descriptor of a field descriptor"); this.disallowProperty(descriptor, "set", "The property descriptor of a field descriptor"); this.disallowProperty(descriptor, "value", "The property descriptor of a field descriptor"); element.initializer = elementObject.initializer; } return element; }, toElementFinisherExtras: function (elementObject) { var element = this.toElementDescriptor(elementObject); var finisher = _optionalCallableProperty(elementObject, "finisher"); var extras = this.toElementDescriptors(elementObject.extras); return { element: element, finisher: finisher, extras: extras }; }, fromClassDescriptor: function (elements) { var obj = { kind: "class", elements: elements.map(this.fromElementDescriptor, this) }; var desc = { value: "Descriptor", configurable: true }; Object.defineProperty(obj, Symbol.toStringTag, desc); return obj; }, toClassDescriptor: function (obj) { var kind = String(obj.kind); if (kind !== "class") { throw new TypeError('A class descriptor\'s .kind property must be "class", but a decorator' + ' created a class descriptor with .kind "' + kind + '"'); } this.disallowProperty(obj, "key", "A class descriptor"); this.disallowProperty(obj, "placement", "A class descriptor"); this.disallowProperty(obj, "descriptor", "A class descriptor"); this.disallowProperty(obj, "initializer", "A class descriptor"); this.disallowProperty(obj, "extras", "A class descriptor"); var finisher = _optionalCallableProperty(obj, "finisher"); var elements = this.toElementDescriptors(obj.elements); return { elements: elements, finisher: finisher }; }, runClassFinishers: function (constructor, finishers) { for (var i = 0; i < finishers.length; i++) { var newConstructor = (0, finishers[i])(constructor); if (newConstructor !== undefined) { if (typeof newConstructor !== "function") { throw new TypeError("Finishers must return a constructor."); } constructor = newConstructor; } } return constructor; }, disallowProperty: function (obj, name, objectType) { if (obj[name] !== undefined) { throw new TypeError(objectType + " can't have a ." + name + " property."); } } }; return api; }
function _createElementDescriptor(def) { var key = _toPropertyKey(def.key); var descriptor; if (def.kind === "method") { descriptor = { value: def.value, writable: true, configurable: true, enumerable: false }; } else if (def.kind === "get") { descriptor = { get: def.value, configurable: true, enumerable: false }; } else if (def.kind === "set") { descriptor = { set: def.value, configurable: true, enumerable: false }; } else if (def.kind === "field") { descriptor = { configurable: true, writable: true, enumerable: true }; } var element = { kind: def.kind === "field" ? "field" : "method", key: key, placement: def.static ? "static" : def.kind === "field" ? "own" : "prototype", descriptor: descriptor }; if (def.decorators) element.decorators = def.decorators; if (def.kind === "field") element.initializer = def.value; return element; }
function _coalesceGetterSetter(element, other) { if (element.descriptor.get !== undefined) { other.descriptor.get = element.descriptor.get; } else { other.descriptor.set = element.descriptor.set; } }
function _coalesceClassElements(elements) { var newElements = []; var isSameElement = function isSameElement(other) { return other.kind === "method" && other.key === element.key && other.placement === element.placement; }; for (var i = 0; i < elements.length; i++) { var element = elements[i]; var other; if (element.kind === "method" && (other = newElements.find(isSameElement))) { if (_isDataDescriptor(element.descriptor) || _isDataDescriptor(other.descriptor)) { if (_hasDecorators(element) || _hasDecorators(other)) { throw new ReferenceError("Duplicated methods (" + element.key + ") can't be decorated."); } other.descriptor = element.descriptor; } else { if (_hasDecorators(element)) { if (_hasDecorators(other)) { throw new ReferenceError("Decorators can't be placed on different accessors with for " + "the same property (" + element.key + ")."); } other.decorators = element.decorators; } _coalesceGetterSetter(element, other); } } else { newElements.push(element); } } return newElements; }
function _hasDecorators(element) { return element.decorators && element.decorators.length; }
function _isDataDescriptor(desc) { return desc !== undefined && !(desc.value === undefined && desc.writable === undefined); }
function _optionalCallableProperty(obj, name) { var value = obj[name]; if (value !== undefined && typeof value !== "function") { throw new TypeError("Expected '" + name + "' to be a function"); } return value; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return typeof key === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (typeof input !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (typeof res !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
function _toArray(arr) { return _arrayWithHoles(arr) || _iterableToArray(arr) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }
function _iterableToArray(iter) { if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter); }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
/**
* @license
*
* Copyright IBM Corp. 2019, 2020
*
* This source code is licensed under the Apache-2.0 license found in the
* LICENSE file in the root directory of this source tree.
*/
import { classMap } from 'lit-html/directives/class-map';
import { html, property, query, customElement, LitElement } from 'lit-element';
import ChevronDown16 from "../../icons/chevron--down/16";
import settings from 'carbon-components/es/globals/js/settings';
import { FORM_ELEMENT_COLOR_SCHEME } from '../../globals/shared-enums';
import FocusMixin from '../../globals/mixins/focus';
import { _createHandleFeedbackTooltip as createHandleCopyButtonFeedbackTooltip, _renderButton as renderCopyButton } from '../copy-button/copy-button';
import styles from "./code-snippet.css.js";
export { FORM_ELEMENT_COLOR_SCHEME as CODE_SNIPPET_COLOR_SCHEME } from '../../globals/shared-enums';
const {
prefix
} = settings;
/**
* Code snippet types.
*/
export let CODE_SNIPPET_TYPE;
/**
* @param values The values to render.
* @param values.children The child nodes.
* @param values.handleClick The handler for the `click` event on the button.
* @returns The template result for the expando.
*/
(function (CODE_SNIPPET_TYPE) {
CODE_SNIPPET_TYPE["SINGLE"] = "single";
CODE_SNIPPET_TYPE["INLINE"] = "inline";
CODE_SNIPPET_TYPE["MULTI"] = "multi";
})(CODE_SNIPPET_TYPE || (CODE_SNIPPET_TYPE = {}));
const renderExpando = ({
children,
handleClick
}) => html(_t || (_t = _`
<button
type="button"
class="${0}--btn ${0}--btn--ghost ${0}--btn--sm ${0}--snippet-btn--expand"
@click="${0}"
>
<span id="button-text" class="${0}--snippet-btn--text">
${0}
</span>
${0}
</button>
`), prefix, prefix, prefix, prefix, handleClick, prefix, children, ChevronDown16({
'aria-labeledby': 'button-text',
class: `${prefix}--icon-chevron--down ${prefix}--snippet__icon`,
role: 'img'
}));
/**
* @param values The values to render.
* @param values.assistiveText The assistive text to announce that the node is for code snippet.
* @param [values.expanded] `true` to show the expanded state (for multi-line variant).
* @param values.children The child nodes.
* @returns The template result for the code snippet.
*/
const renderCode = ({
assistiveText,
expanded,
children
}) => {
const classes = classMap({
[`${prefix}--snippet-container`]: true,
[`${prefix}-ce--snippet-container--expanded`]: Boolean(expanded)
}); // Ensures no extra whitespace text node
// prettier-ignore
return html(_t2 || (_t2 = _`
<div role="textbox" tabindex="0" class="${0}" aria-label="${0}"><code><pre>${0}</pre></code></div>
`), classes, assistiveText, children);
};
/**
* Basic code snippet.
* @element bx-code-snippet
*/
let BXCodeSnippet = _decorate([customElement(`${prefix}-code-snippet`)], function (_initialize, _FocusMixin) {
class BXCodeSnippet extends _FocusMixin {
constructor(...args) {
super(...args);
_initialize(this);
}
}
return {
F: BXCodeSnippet,
d: [{
kind: "field",
key: "_expanded",
value() {
return false;
}
}, {
kind: "field",
key: "_showCopyButtonFeedback",
value() {
return false;
}
}, {
kind: "field",
key: "_showExpando",
value() {
return false;
}
}, {
kind: "method",
key: "_handleClickCopyButton",
value:
/**
* `true` to expand multi-line variant of code snippet.
*/
/**
* `true` to show the feedback tooltip.
*/
/**
* `true` to show the expando.
*/
/**
* Handles `click` event on the copy button.
*/
function _handleClickCopyButton() {
const {
ownerDocument: doc
} = this;
const selection = doc.defaultView.getSelection();
selection.removeAllRanges();
const code = doc.createElement('code');
code.className = `${prefix}--visually-hidden`;
const pre = doc.createElement('pre');
pre.textContent = this.textContent;
code.appendChild(pre); // Using `<code>` in shadow DOM seems to lose the LFs in some browsers
doc.body.appendChild(code);
const range = doc.createRange();
range.selectNodeContents(code);
selection.addRange(range);
doc.execCommand('copy');
this._handleCopyButtonFeedbackTooltip(this.copyButtonFeedbackTimeout);
doc.body.removeChild(code);
selection.removeAllRanges();
}
/**
* Handles showing/hiding the feedback tooltip.
*/
}, {
kind: "field",
key: "_handleCopyButtonFeedbackTooltip",
value() {
return createHandleCopyButtonFeedbackTooltip(({
showFeedback: _showFeedback = false
}) => {
this._showCopyButtonFeedback = _showFeedback;
this.requestUpdate();
});
}
}, {
kind: "method",
key: "_handleClickExpando",
value:
/**
* Handles `click` event on the expando.
*/
function _handleClickExpando() {
this._expanded = !this._expanded;
this.requestUpdate();
}
/**
* Handles change in slot content to determine if the content
*/
}, {
kind: "method",
key: "_handleSlotChange",
value: function _handleSlotChange() {
const {
type,
_preNode: preNode
} = this;
if (type === CODE_SNIPPET_TYPE.MULTI) {
if (preNode.getBoundingClientRect().height > 255) {
this._showExpando = true;
this.requestUpdate();
}
}
}
/**
* The `<pre>` element in the shadow DOM.
*/
}, {
kind: "field",
decorators: [query('pre')],
key: "_preNode",
value: void 0
}, {
kind: "field",
decorators: [property({
attribute: 'code-assistive-text'
})],
key: "codeAssistiveText",
value() {
return 'code-snippet';
}
}, {
kind: "field",
decorators: [property({
attribute: 'collapse-button-text'
})],
key: "collapseButtonText",
value() {
return 'Show less';
}
}, {
kind: "field",
decorators: [property({
attribute: 'color-scheme',
reflect: true
})],
key: "colorScheme",
value() {
return FORM_ELEMENT_COLOR_SCHEME.REGULAR;
}
}, {
kind: "field",
decorators: [property({
attribute: 'copy-button-assistive-text'
})],
key: "copyButtonAssistiveText",
value() {
return 'Copy to clipboard';
}
}, {
kind: "field",
decorators: [property({
attribute: 'copy-button-feedback-text'
})],
key: "copyButtonFeedbackText",
value() {
return 'Copied!';
}
}, {
kind: "field",
decorators: [property({
type: Number,
attribute: 'copy-button-feedback-timeout'
})],
key: "copyButtonFeedbackTimeout",
value() {
return 2000;
}
}, {
kind: "field",
decorators: [property({
attribute: 'expand-button-text'
})],
key: "expandButtonText",
value() {
return 'Show more';
}
}, {
kind: "field",
decorators: [property({
reflect: true
})],
key: "type",
value() {
return CODE_SNIPPET_TYPE.SINGLE;
}
}, {
kind: "method",
key: "createRenderRoot",
value:
/**
* An assistive text for screen reader to advice a DOM node is for code snippet.
*/
/**
* The context content for the collapse button.
*/
/**
* The color scheme.
*/
/**
* An assistive text for screen reader to announce, telling that the button copies the content to the clipboard.
*/
/**
* The feedback text for the copy button.
*/
/**
* The number in milliseconds to determine how long the tooltip for the copy button should remain.
*/
/**
* The context content for the expand button.
*/
/**
* The type of code snippet.
*/
function createRenderRoot() {
return this.attachShadow({
mode: 'open',
delegatesFocus: true
});
}
}, {
kind: "method",
key: "render",
value: function render() {
const {
codeAssistiveText,
collapseButtonText,
copyButtonAssistiveText,
copyButtonFeedbackText,
expandButtonText,
type,
_expanded: expanded,
_showCopyButtonFeedback: showCopyButtonFeedback,
_showExpando: showExpando,
_handleClickCopyButton: handleClickCopyButton,
_handleClickExpando: handleClickExpando,
_handleSlotChange: handleSlotChange
} = this;
if (type === CODE_SNIPPET_TYPE.SINGLE) {
// Ensures no extra whitespace text node
// prettier-ignore
return html(_t3 || (_t3 = _`
${0}
${0}
`), renderCode({
assistiveText: codeAssistiveText,
expanded,
children: html(_t4 || (_t4 = _`<slot @slotchange="${0}"></slot>`), handleSlotChange)
}), renderCopyButton({
assistiveText: copyButtonAssistiveText,
feedbackText: copyButtonFeedbackText,
showFeedback: showCopyButtonFeedback,
handleClickButton: handleClickCopyButton,
className: `${prefix}--snippet-button`
}));
}
if (type === CODE_SNIPPET_TYPE.MULTI) {
// Ensures no extra whitespace text node
// prettier-ignore
return html(_t5 || (_t5 = _`
${0}
${0}
${0}
`), renderCode({
assistiveText: codeAssistiveText,
expanded,
children: html(_t6 || (_t6 = _`<slot @slotchange="${0}"></slot>`), handleSlotChange)
}), renderCopyButton({
assistiveText: copyButtonAssistiveText,
feedbackText: copyButtonFeedbackText,
showFeedback: showCopyButtonFeedback,
handleClickButton: handleClickCopyButton,
className: `${prefix}--snippet-button`
}), !showExpando ? undefined : renderExpando({
children: expanded ? html(_t7 || (_t7 = _`<slot name="collapse-button-text">${0}</slot>`), collapseButtonText) : html(_t8 || (_t8 = _`<slot name="expand-button-text">${0}</slot>`), expandButtonText),
handleClick: handleClickExpando
}));
} // Ensures no extra whitespace text node
// prettier-ignore
return html(_t9 || (_t9 = _`
${0}
`), renderCopyButton({
assistiveText: copyButtonAssistiveText,
feedbackText: copyButtonFeedbackText,
showFeedback: showCopyButtonFeedback,
handleClickButton: handleClickCopyButton,
className: `${prefix}--snippet ${prefix}--snippet--inline`,
children: html(_t10 || (_t10 = _`<code aria-label="${0}"><slot></slot></code>`), codeAssistiveText)
}));
}
}, {
kind: "field",
static: true,
key: "styles",
value() {
return styles;
}
}]
};
}, FocusMixin(LitElement));
export default BXCodeSnippet;
//# sourceMappingURL=code-snippet.js.map