Method initData

src/data/SeriesData.ts:527–563

* Initialize from data * @param data source or data or data store. * @param nameList The name of a datum is used on data diff and * default label/tooltip. * A name can be specified in encode.itemName, * or dataItem.name (only for series option data),

(
        data: Source | OptionSourceData | DataStore | DataProvider,
        nameList?: string[],
        dimValueGetter?: DimValueGetter
    )

     *        or provided in nameList from outside.
     */
    initData(
        data: Source | OptionSourceData | DataStore | DataProvider,
        nameList?: string[],
        dimValueGetter?: DimValueGetter
    ): void {
        let store: DataStore;
        if (data instanceof DataStore) {
            store = data;
        }

        if (!store) {
            const dimensions = this.dimensions;
            const provider = (isSourceInstance(data) || zrUtil.isArrayLike(data))
                ? new DefaultDataProvider(data as Source | OptionSourceData, dimensions.length)
                : data as DataProvider;
            store = new DataStore();
            const dimensionInfos: DataStoreDimensionDefine[] = map(dimensions, dimName => ({
                type: this._dimInfos[dimName].type,
                property: dimName
            }));
            store.initData(provider, dimensionInfos, dimValueGetter);
        }

        this._store = store;

        // Reset
        this._nameList = (nameList || []).slice();
        this._idList = [];
        this._nameRepeatCount = {};

        this._doInit(0, store.count());

        // Cache summary info for fast visit. See "dimensionHelper".
        // Needs to be initialized after store is prepared.
        this._dimSummary = summarizeDimensions(this, this._schema);
        this.userOutput = this._dimSummary.userOutput;
    }

    /**
     * Caution: Can be only called on raw data (before `this._indices` created).