lit-analyzer
Version:
CLI that type checks bindings in lit-html templates
56 lines (55 loc) • 2.5 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.completionsForHtmlAttrValues = void 0;
var ts_simple_type_1 = require("ts-simple-type");
var html_node_attr_assignment_types_js_1 = require("../../../types/html-node/html-node-attr-assignment-types.js");
var html_node_attr_types_js_1 = require("../../../types/html-node/html-node-attr-types.js");
function completionsForHtmlAttrValues(htmlNodeAttr, location, _a) {
var htmlStore = _a.htmlStore;
// There is not point in showing completions for event listener bindings
if (htmlNodeAttr.kind === html_node_attr_types_js_1.HtmlNodeAttrKind.EVENT_LISTENER)
return [];
// Don't show completions inside assignments with expressions
if (htmlNodeAttr.assignment && htmlNodeAttr.assignment.kind === html_node_attr_assignment_types_js_1.HtmlNodeAttrAssignmentKind.EXPRESSION)
return [];
var htmlTagMember = htmlStore.getHtmlAttrTarget(htmlNodeAttr);
if (htmlTagMember == null)
return [];
// Special case for handling slot attr as we need to look at its parent
if (htmlNodeAttr.name === "slot") {
var parentHtmlTag = htmlNodeAttr.htmlNode.parent && htmlStore.getHtmlTag(htmlNodeAttr.htmlNode.parent);
if (parentHtmlTag != null && parentHtmlTag.slots.length > 0) {
return parentHtmlTag.slots.map(function (slot) {
return ({
name: slot.name || " ",
insert: slot.name || "",
documentation: function () { return slot.description; },
kind: "enumElement"
});
});
}
}
var options = getOptionsFromType(htmlTagMember.getType());
return options.map(function (option) {
return ({
name: option,
insert: option,
kind: "enumElement"
});
});
}
exports.completionsForHtmlAttrValues = completionsForHtmlAttrValues;
function getOptionsFromType(type) {
switch (type.kind) {
case "UNION":
return type.types.filter(ts_simple_type_1.isSimpleTypeLiteral).map(function (t) { return t.value.toString(); });
case "ENUM":
return type.types
.map(function (m) { return m.type; })
.filter(ts_simple_type_1.isSimpleTypeLiteral)
.map(function (t) { return t.value.toString(); });
case "ALIAS":
return getOptionsFromType(type.target);
}
return [];
}