@antv/g2plot/esm/components/label/parser.js

G2 Plot, a market of plots built with the Grammar of Graphics'

import { __assign, __rest, __spreadArrays } from "tslib";
import * as _ from '@antv/util';
import { combineFormatter, getNoopFormatter, getPrecisionFormatter, getSuffixFormatter } from '../../util/formatter';
var LabelParser = /** @class */ (function () {
    function LabelParser(cfg) {
        this.config = {};
        var plot = cfg.plot, rest = __rest(cfg, ["plot"]);
        this.plot = plot;
        this.originConfig = rest;
        this.init(cfg);
    }
    LabelParser.prototype.getConfig = function () {
        return this.config;
    };
    LabelParser.prototype.init = function (cfg) {
        var _this = this;
        _.assign(this.config, cfg);
        this.config.callback = function (val) {
            var restArgs = [];
            for (var _i = 1; _i < arguments.length; _i++) {
                restArgs[_i - 1] = arguments[_i];
            }
            return _this.parseCallBack.apply(_this, __spreadArrays([val], restArgs));
        };
    };
    LabelParser.prototype.parseCallBack = function (val) {
        var restArgs = [];
        for (var _i = 1; _i < arguments.length; _i++) {
            restArgs[_i - 1] = arguments[_i];
        }
        var labelProps = this.originConfig;
        var theme = this.plot.getPlotTheme();
        var config = __assign({}, labelProps);
        this.parseOffset(labelProps, config);
        if (labelProps.position) {
            if (_.isFunction(labelProps.position)) {
                config.position = labelProps.position(val);
            }
            else {
                config.position = labelProps.position;
            }
        }
        this.parseFormatter.apply(this, __spreadArrays([config, val], restArgs));
        if (labelProps.style) {
            if (_.isFunction(labelProps.style)) {
                config.textStyle = labelProps.style(val);
            }
            else {
                config.textStyle = labelProps.style;
            }
        }
        config.textStyle = _.deepMix({}, _.get(theme, 'label.style'), config.textStyle);
        if (labelProps.autoRotate) {
            config.autoRotate = labelProps.autoRotate;
        }
        return config;
    };
    LabelParser.prototype.parseOffset = function (props, config) {
        var mapper = ['offset', 'offsetX', 'offsetY'];
        var count = 0;
        _.each(mapper, function (m) {
            if (_.has(props, m)) {
                config[m] = props[m];
                count++;
            }
        });
        // 如用户没有设置offset，而label position又为middle时，则默认设置offset为0
        if (count === 0 && _.get(props, 'position') === 'middle') {
            config.offset = 0;
        }
    };
    LabelParser.prototype.parseFormatter = function (config) {
        var values = [];
        for (var _i = 1; _i < arguments.length; _i++) {
            values[_i - 1] = arguments[_i];
        }
        var labelProps = this.originConfig;
        config.formatter = combineFormatter(getNoopFormatter(), getPrecisionFormatter(labelProps.precision), getSuffixFormatter(labelProps.suffix));
        if (labelProps.formatter) {
            config.formatter = combineFormatter(config.formatter, labelProps.formatter);
        }
    };
    return LabelParser;
}());
export default LabelParser;
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