mirror of https://github.com/zulip/zulip.git
71 lines
2.4 KiB
JavaScript
71 lines
2.4 KiB
JavaScript
#!/usr/bin/env node
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/*
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The MIT License (MIT)
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Copyright (c) 2015 Khan Academy
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This software also uses portions of the underscore.js project, which is
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MIT licensed with the following copyright:
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Copyright (c) 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative
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Reporters & Editors
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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// Simple CLI for KaTeX.
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// Reads TeX from stdin, outputs HTML to stdout.
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let katex;
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try {
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// Attempt to import KaTeX from the production bundle
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katex = require("/home/zulip/prod-static/min/katex.js");
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} catch (ex) {
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// Import KaTeX from node_modules (development environment) otherwise
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katex = require("katex/dist/katex.js");
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}
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let input = "";
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// Skip the first two args, which are just "node" and "cli.js"
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const args = process.argv.slice(2);
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if (args.indexOf("--help") !== -1) {
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console.log(process.argv[0] + " " + process.argv[1] +
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" [ --help ]" +
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" [ --display-mode ]");
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console.log("\n" +
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"Options:");
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console.log(" --help Display this help message");
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console.log(" --display-mode Render in display mode (not inline mode)");
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process.exit();
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}
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process.stdin.on("data", function(chunk) {
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input += chunk.toString();
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});
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process.stdin.on("end", function() {
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var options = { displayMode: args.indexOf("--display-mode") !== -1 };
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var output = katex.renderToString(input, options);
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console.log(output);
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});
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