Method constructor

src/data/helper/dataProvider.ts:107–137

(sourceParam: Source | OptionSourceData, dimSize?: number)

    constructor(sourceParam: Source | OptionSourceData, dimSize?: number) {
        // let source: Source;
        const source: Source = !isSourceInstance(sourceParam)
            ? createSourceFromSeriesDataOption(sourceParam as OptionSourceData)
            : sourceParam as Source;

        // declare source is Source;
        this._source = source;
        const data = this._data = source.data;
        const sourceFormat = source.sourceFormat;
        const seriesLayoutBy = source.seriesLayoutBy;

        // Typed array. TODO IE10+?
        if (sourceFormat === SOURCE_FORMAT_TYPED_ARRAY) {
            if (__DEV__) {
                if (dimSize == null) {
                    throw new Error('Typed array data must specify dimension size');
                }
            }
            this._offset = 0;
            this._dimSize = dimSize;
            this._data = data;
        }

        if (__DEV__) {
            const validator = rawSourceDataValidatorMap[getMethodMapKey(sourceFormat, seriesLayoutBy)];
            validator && validator(data, source.dimensionsDefine);
        }

        mountMethods(this, data, source);
    }

    getSource(): Source {
        return this._source;