40 lines
1 KiB
TypeScript
40 lines
1 KiB
TypeScript
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import type { Metadata } from "../types/metadata-interface";
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import type { AbsoluteTemplateString } from "../types/metadata-types";
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function resolveTitleTemplate(
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template: string | null | undefined,
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title: string,
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) {
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return template ? template.replace(/%s/g, title) : title;
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}
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export function resolveTitle(
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title: Metadata["title"],
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stashedTemplate: string | null | undefined,
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): AbsoluteTemplateString {
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let resolved;
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const template = typeof title !== "string" && title && "template" in title
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? title.template
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: null;
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if (typeof title === "string") {
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resolved = resolveTitleTemplate(stashedTemplate, title);
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} else if (title) {
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if ("default" in title) {
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resolved = resolveTitleTemplate(stashedTemplate, title.default);
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}
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if ("absolute" in title && title.absolute) {
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resolved = title.absolute;
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}
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}
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if (title && typeof title !== "string") {
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return {
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template,
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absolute: resolved || "",
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};
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} else {
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return { absolute: resolved || title || "", template };
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}
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}
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