Function collectDataFromFrontmatterKey

src/collecting.ts:583–671

(
    fileCache: CachedMetadata,
    query: Query,
    renderInfo: RenderInfo,
    dataMap: DataMap,
    xValueMap: XValueMap
)

// In form 'key: value', target used to identify 'frontmatter key'
export function collectDataFromFrontmatterKey(
    fileCache: CachedMetadata,
    query: Query,
    renderInfo: RenderInfo,
    dataMap: DataMap,
    xValueMap: XValueMap
): boolean {
    // console.log("collectDataFromFrontmatterKey");

    let frontMatter = fileCache.frontmatter;
    if (frontMatter) {
        // console.log(frontMatter);
        // console.log(query.getTarget());
        let deepValue = helper.deepValue(frontMatter, query.getTarget());
        // console.log(deepValue);
        if (deepValue) {
            let retParse = helper.parseFloatFromAny(
                deepValue,
                renderInfo.textValueMap
            );
            // console.log(retParse);
            if (retParse.value === null) {
                // Try parsing as a boolean: true means 1, false means 0.
                if (deepValue === "true" || deepValue === "false") {
                    retParse.type = ValueType.Number;
                    retParse.value = deepValue === "true" ? 1 : 0;
                }
            }
            if (retParse.value !== null) {
                if (retParse.type === ValueType.Time) {
                    query.valueType = ValueType.Time;
                }
                query.addNumTargets();
                let xValue = xValueMap.get(renderInfo.xDataset[query.getId()]);
                addToDataMap(dataMap, xValue, query, retParse.value);
                return true;
            }
        } else if (
            query.getParentTarget() &&
            helper.deepValue(frontMatter, query.getParentTarget())
        ) {
            // console.log("multiple values");
            // console.log(query.getTarget());
            // console.log(query.getParentTarget());
            // console.log(query.getSubId());
            // console.log(
            //     frontMatter[query.getParentTarget()]
            // );
            let toParse = helper.deepValue(
                frontMatter,
                query.getParentTarget()
            );
            let splitted = null;
            if (Array.isArray(toParse)) {
                splitted = toParse.map((p) => {
                    return p.toString();
                });
            } else if (typeof toParse === "string") {