Function matchesProjectProperty

src/utils/projectFilterUtils.ts:48–99

(
	frontmatter: Record<string, unknown> | undefined | null,
	filter: ProjectPropertyFilter
)

}

export function matchesProjectProperty(
	frontmatter: Record<string, unknown> | undefined | null,
	filter: ProjectPropertyFilter
): boolean {
	if (!filter.enabled) {
		return true;
	}

	if (!frontmatter || typeof frontmatter !== "object") {
		return false;
	}

	if (!(filter.key in frontmatter)) {
		return false;
	}

	const actualValue = (frontmatter)[filter.key];

	const expectedValues = normalizePropertyValues(filter.value);
	if (expectedValues.length === 0) {
		return actualValue !== undefined && actualValue !== null;
	}

	const normalizedExpectedValues = new Set(
		expectedValues.map((expectedValue) => expectedValue.toLowerCase())
	);

	const matchesValue = (value: unknown): boolean => {
		if (value === null || value === undefined) {
			return false;
		}
		if (Array.isArray(value)) {
			return value.some((item) => matchesValue(item));
		}
		if (typeof value === "string") {
			return normalizedExpectedValues.has(value.trim().toLowerCase());
		}
		if (typeof value === "number" || typeof value === "boolean") {
			return normalizedExpectedValues.has(String(value).toLowerCase());
		}
		if (typeof value === "object") {
			try {
				return normalizedExpectedValues.has(JSON.stringify(value).toLowerCase());
			} catch {
				return false;
			}
		}
		return normalizedExpectedValues.has(stringifyUnknown(value).toLowerCase());
	};

	return matchesValue(actualValue);
}