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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | 1x 1x 1x 1x 1x 1x 1x 2x 2x 1x 2x 2x 2x 1x 2x 2x 2x 2x | import * as Viz from "viz.js";
import * as _ from "lodash";
import {
IRequestHandler,
IDotResponse,
ArgdownPluginError,
IArgdownResponse,
IArgdownPlugin,
IArgdownRequest
} from "@argdown/core";
export interface IDotToSvgSettings {}
export interface IDotToSvgRequest {
dotToSvg?: IDotToSvgSettings;
}
export interface ISvgResponse extends IArgdownResponse {
svg?: string;
}
export class DotToSvgExportPlugin implements IArgdownPlugin {
name = "DotToSvgExportPlugin";
defaults: IDotToSvgSettings;
constructor(config?: IDotToSvgSettings) {
this.defaults = _.defaultsDeep({}, config, {});
}
prepare: IRequestHandler = (request: IArgdownRequest) => {
const settings = this.getSettings(request);
_.defaultsDeep(settings, this.defaults);
};
getSettings = (request: IArgdownRequest): IDotToSvgSettings => {
const r = <IDotToSvgRequest>request;
r.dotToSvg = r.dotToSvg || {};
return r.dotToSvg;
};
run: IRequestHandler = (_request, response) => {
const dotResponse = <IDotResponse>response;
Iif (!dotResponse.dot) {
throw new ArgdownPluginError(this.name, "Missing dot field in response.");
}
(<ISvgResponse>response).svg = Viz(dotResponse.dot);
return response;
};
}
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