103 lines
2.7 KiB
JavaScript
103 lines
2.7 KiB
JavaScript
const { Generator } = require('jison');
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const fs = require('fs');
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const { dependencies } = require('../package.json');
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/** @typedef {import('esbuild').BuildOptions} Options */
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/**
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* @param {Options} override
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* @returns {Options}
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*/
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const buildOptions = (override = {}) => {
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return {
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bundle: true,
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minify: true,
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keepNames: true,
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banner: { js: '"use strict";' },
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globalName: 'mermaid',
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platform: 'browser',
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tsconfig: 'tsconfig.json',
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resolveExtensions: ['.ts', '.js', '.json', '.jison'],
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external: ['require', 'fs', 'path'],
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outdir: 'dist',
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plugins: [jisonPlugin],
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sourcemap: 'external',
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...override,
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};
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};
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const getEntryPoints = (extension) => {
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return {
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[`mermaid${extension}`]: 'src/mermaid.ts',
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[`diagramAPI${extension}`]: 'src/diagram-api/diagramAPI.ts',
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};
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};
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exports.getEntryPoints = getEntryPoints;
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/**
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* Build options for mermaid.esm.* build.
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*
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* For ESM browser use.
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*
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* @param {Options} override - Override options.
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* @returns {Options} ESBuild build options.
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*/
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exports.esmBuild = (override = { minify: true }) => {
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return buildOptions({
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format: 'esm',
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entryPoints: getEntryPoints(`.esm${override.minify ? '.min' : ''}`),
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outExtension: { '.js': '.mjs' },
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...override,
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});
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};
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/**
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* Build options for mermaid.core.* build.
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*
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* This build does not bundle `./node_modules/`, as it is designed to be used with
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* Webpack/ESBuild/Vite to use mermaid inside an app/website.
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*
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* @param {Options} override - Override options.
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* @returns {Options} ESBuild build options.
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*/
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exports.esmCoreBuild = (override) => {
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return buildOptions({
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format: 'esm',
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entryPoints: getEntryPoints(`.core`),
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outExtension: { '.js': '.mjs' },
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external: ['require', 'fs', 'path', ...Object.keys(dependencies)],
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platform: 'neutral',
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...override,
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});
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};
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/**
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* Build options for mermaid.js build.
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*
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* For IIFE browser use (where ESM is not yet supported).
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*
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* @param {Options} override - Override options.
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* @returns {Options} ESBuild build options.
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*/
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exports.iifeBuild = (override = { minify: true }) => {
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return buildOptions({
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entryPoints: getEntryPoints(override.minify ? '.min' : ''),
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format: 'iife',
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...override,
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});
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};
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const jisonPlugin = {
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name: 'jison',
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setup(build) {
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build.onLoad({ filter: /\.jison$/ }, async (args) => {
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// Load the file from the file system
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const source = await fs.promises.readFile(args.path, 'utf8');
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const contents = new Generator(source, { 'token-stack': true }).generate({
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moduleMain: '() => {}', // disable moduleMain (default one requires Node.JS modules)
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});
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return { contents, warnings: [] };
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});
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},
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};
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