mermaid/.esbuild/util.cjs

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2022-09-01 10:08:02 +02:00
/** @typedef {import('esbuild').BuildOptions} Options */
/**
* @param {Options} override
* @returns {Options}
*/
const buildOptions = (override = {}) => {
return {
bundle: true,
minify: true,
keepNames: true,
globalName: 'mermaid',
platform: 'browser',
resolveExtensions: ['.js', '.json', '.jison'],
external: ['require', 'fs', 'path'],
entryPoints: ['src/mermaid.js'],
outfile: 'dist/mermaid.min.js',
plugins: [jisonPlugin],
sourcemap: 'external',
...override,
};
};
exports.esmBuild = ({ minify = true } = {}) => {
return buildOptions({
format: 'esm',
outfile: `dist/mermaid.esm${minify ? '.min' : ''}.mjs`,
minify,
});
};
exports.umdBuild = ({ minify = true } = {}) => {
return buildOptions({ outfile: `dist/mermaid${minify ? '.min' : ''}.js`, minify });
};
const jisonPlugin = {
name: 'jison',
setup(build) {
const { Generator } = require('jison');
let fs = require('fs');
build.onLoad({ filter: /\.jison$/ }, async (args) => {
// Load the file from the file system
let source = await fs.promises.readFile(args.path, 'utf8');
try {
let contents = new Generator(source, {}).generate();
return { contents, warnings: [] };
} catch (e) {
return { errors: [] };
}
});
},
};