web: add utils for grouping
Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>
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@ -7,6 +7,7 @@ import { Form } from "../../elements/forms/Form";
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import { until } from "lit-html/directives/until";
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import { ifDefined } from "lit-html/directives/if-defined";
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import "../../elements/forms/HorizontalFormElement";
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import { groupBy } from "../../utils";
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@customElement("ak-stage-binding-form")
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export class StageBindingForm extends Form<FlowStageBinding> {
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@ -39,16 +40,8 @@ export class StageBindingForm extends Form<FlowStageBinding> {
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};
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groupStages(stages: Stage[]): TemplateResult {
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const m = new Map<string, Stage[]>();
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stages.forEach(p => {
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if (!m.has(p.verboseName || "")) {
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m.set(p.verboseName || "", []);
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}
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const tProviders = m.get(p.verboseName || "") || [];
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tProviders.push(p);
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});
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return html`
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${Array.from(m).map(([group, stages]) => {
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${groupBy<Stage>(stages, (s => s.verboseName || "")).map(([group, stages]) => {
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return html`<optgroup label=${group}>
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${stages.map(stage => {
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const selected = (this.fsb?.stage === stage.pk);
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@ -56,3 +56,16 @@ export function camelToSnake(key: string): string {
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const result = key.replace(/([A-Z])/g, " $1");
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return result.split(" ").join("_").toLowerCase();
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}
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export function groupBy<T>(objects: T[], callback: (obj: T) => string): Array<[string, T[]]> {
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const m = new Map<string, T[]>();
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objects.forEach(obj => {
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const group = callback(obj);
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if (!m.has(group)) {
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m.set(group, []);
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}
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const tProviders = m.get(group) || [];
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tProviders.push(obj);
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});
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return Array.from(m);
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}
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