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jslint_wrapper_codemirror.js
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// The Unlicense
//
// This is free and unencumbered software released into the public domain.
//
// Anyone is free to copy, modify, publish, use, compile, sell, or
// distribute this software, either in source code form or as a compiled
// binary, for any purpose, commercial or non-commercial, and by any
// means.
//
// In jurisdictions that recognize copyright laws, the author or authors
// of this software dedicate any and all copyright interest in the
// software to the public domain. We make this dedication for the benefit
// of the public at large and to the detriment of our heirs and
// successors. We intend this dedication to be an overt act of
// relinquishment in perpetuity of all present and future rights to this
// software under copyright law.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
// For more information, please refer to <https://unlicense.org/>
// This wrapper will integrate JSLint with CodeMirror's lint.js addon.
// Requires CodeMirror and JSLint.
//
// Example usage:
/*
<!DOCTYPE html>
<link rel="stylesheet" href="https://codemirror.net/lib/codemirror.css">
<link rel="stylesheet" href="https://codemirror.net/addon/lint/lint.css">
<script defer src="https://codemirror.net/lib/codemirror.js"></script>
<script defer
src="https://codemirror.net/mode/javascript/javascript.js"></script>
<script defer src="https://codemirror.net/addon/lint/lint.js"></script>
<script type="module" src="./jslint.mjs?window_jslint=1"></script>
<script defer src="./jslint_wrapper_codemirror.js"></script>
<textarea id="editor1">console.log('hello world');</textarea>
<script type=module>
window.addEventListener("load", function () {
window.CodeMirror.fromTextArea(document.getElementById(
"editor1"
), {
gutters: ["CodeMirror-lint-markers"],
indentUnit: 4,
lineNumbers: true,
lint: {lintOnChange: true},
mode: "javascript"
});
});
</script>
</html>
*/
/*jslint browser, devel*/
/*global CodeMirror define exports jslint module require*/
/*property
Pos, amd, column, error, from, globals, jslint, line, map, message,
mode_stop, registerHelper, result, severity, signal, source, to, warnings
*/
(function (mod) {
"use strict";
// CommonJS
if (typeof exports === "object" && typeof module === "object") {
mod(require("../../lib/codemirror"));
// AMD
} else if (typeof define === "function" && define.amd) {
define(["../../lib/codemirror"], mod);
// Plain browser env
} else {
mod(CodeMirror);
}
}(function (CodeMirror) {
"use strict";
if (!window.jslint) {
console.error(
"Error: window.jslint not defined,"
+ " CodeMirror JavaScript linting cannot run."
);
return [];
}
CodeMirror.registerHelper("lint", "javascript", function (
source,
options,
editor
) {
let result;
// Emit <options> before linter is run, so it can be modified
// before passing to jslint.
//
// Example usage:
// editor.on("lintJslintBefore", function (options) {
// options.browser = true;
// options.node = true;
// options.globals = ["caches", "indexedDb"];
// });
options.source = source;
CodeMirror.signal(editor, "lintJslintBefore", options);
// Run jslint.
result = jslint.jslint(source, options, options.globals);
// Emit <result> after linter is run, so it can be used to generate reports.
//
// Example usage:
// editor.on("lintJslintAfter", function (options) {
// divReport.innerHTML = jslint.jslint_report(options.result);
// });
options.result = result;
CodeMirror.signal(editor, "lintJslintAfter", options);
// Return warnings.
return result.warnings.map(function ({
column,
line,
message,
mode_stop
}) {
return {
from: CodeMirror.Pos(line - 1, column - 1), //jslint-ignore-line
message,
severity: (
mode_stop
? "error"
: "warning"
),
to: CodeMirror.Pos(line - 1, column) //jslint-ignore-line
};
});
});
}));