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852af0e3c5
This implementation never worked, for two reasons: (1) The logic for getting the path to the katex package had invalid syntax in the version of Node we use. (2) The KaTeX package bundled by webpack doesn't seem to be importable from Node at all.
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("../../node_modules/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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