add initial marp implementation with sample content and build configuration

node_modules/mathjax-full/ts/output/svg/FontData.ts

@@ -0,0 +1,106 @@
+/*************************************************************
+ *
+ *  Copyright (c) 2017-2022 The MathJax Consortium
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+/**
+ * @fileoverview  Implements the SVGFontData class for font data in SVG output.
+ *
+ * @author dpvc@mathjax.org (Davide Cervone)
+ */
+
+import {CharMap, CharOptions, CharData, VariantData, DelimiterData, FontData} from '../common/FontData.js';
+export * from '../common/FontData.js';
+
+export type CharStringMap = {[name: number]: string};
+
+/**
+ * Add the extra data needed for CharOptions in SVG
+ */
+export interface SVGCharOptions extends CharOptions {
+  c?: string;                   // the character value (overrides default value)
+  p?: string;                   // svg path
+}
+
+/**
+ * Shorthands for SVG char maps and char data
+ */
+export type SVGCharMap = CharMap<SVGCharOptions>;
+export type SVGCharData = CharData<SVGCharOptions>;
+
+/**
+ * The extra data needed for a Variant in SVG output
+ */
+export interface SVGVariantData extends VariantData<SVGCharOptions> {
+  cacheID: string;
+}
+
+/**
+ * the extra data neede for a Delimiter in SVG output
+ */
+export interface SVGDelimiterData extends DelimiterData {
+}
+
+
+/****************************************************************************/
+
+/**
+ * The SVG FontData class
+ */
+export class SVGFontData extends FontData<SVGCharOptions, SVGVariantData, SVGDelimiterData> {
+
+  /**
+   * @override
+   */
+  public static OPTIONS = {
+    ...FontData.OPTIONS,
+    dynamicPrefix: './output/svg/fonts'
+  };
+
+  /**
+   * @override
+   */
+  public static JAX = 'SVG';
+
+  /**
+   * @override
+   */
+  public static charOptions(font: SVGCharMap, n: number) {
+    return super.charOptions(font, n) as SVGCharOptions;
+  }
+
+}
+
+export type SVGFontDataClass = typeof SVGFontData;
+
+/****************************************************************************/
+
+/**
+ * @param {CharMap} font        The font to augment
+ * @param {CharStringMap} paths     The path data to use for each character
+ * @param {CharStringMap} content   The string to use for remapped characters
+ * @return {SVGCharMap}            The augmented font
+ */
+export function AddPaths(font: SVGCharMap, paths: CharStringMap, content: CharStringMap): SVGCharMap {
+  for (const c of Object.keys(paths)) {
+    const n = parseInt(c);
+    SVGFontData.charOptions(font, n).p = paths[n];
+  }
+  for (const c of Object.keys(content)) {
+    const n = parseInt(c);
+    SVGFontData.charOptions(font, n).c = content[n];
+  }
+  return font;
+}