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doctrine (doctrine) is JSDoc parser.

It is now used by content assist system of Eclipse Orion (detail). And used as JSDoc validator in ESLint.

Doctrine can be used in a web browser with using browserify. or in a Node.js application via the package manager:

npm install doctrine

simple example:

doctrine.parse(
    [
        "/**",
        " * This function comment is parsed by doctrine",
        " * @param {{ok:String}} userName",
        "*/"
    ].join('\n'), { unwrap: true });

and gets following information

{
    "description": "This function comment is parsed by doctrine",
    "tags": [
        {
            "title": "param",
            "description": null,
            "type": {
                "type": "RecordType",
                "fields": [
                    {
                        "type": "FieldType",
                        "key": "ok",
                        "value": {
                            "type": "NameExpression",
                            "name": "String"
                        }
                    }
                ]
            },
            "name": "userName"
        }
    ]
}

see demo page more detail.

We can pass options to doctrine.parse(comment, options).

{
    unwrap: boolean,          // default: false
    tags: [ string ] | null,  // default: null
    recoverable: boolean,     // default: false
    sloppy: boolean,          // default: false
    lineNumbers: boolean      // default: false
}

When unwrap is true, doctrine attempt to unwrap comment specific string from a provided comment text. (removes /**, */ and *) For example, unwrap transforms

/**
 * @param use
 */

to

@param use

If a provided comment has these comment specific strings, you need to specify this unwrap option to true.

When tags array is specified, doctrine only produce tags that is specified in this array. For example, if you specify [ 'param' ], doctrine only produces param tags. If null is specified, doctrine produces all tags that doctrine can recognize.

When recoverable is true, doctrine becomes recoverable - When failing to parse jsdoc comment, doctrine recovers its state and attempt to continue parsing.

When sloppy is true,

@param String [foo]

's [foo] is interpreted as a optional parameter, not interpreted as a name of this @param.

When lineNumbers is true, parsed tags will include a lineNumber property indicating the line (relative to the start of the comment block) where each tag is located in the source. So, given the following comment:

/**
 * @param {String} foo
 * @return {number}
 */

The @param tag will have lineNumber: 1, and the @return tag will have lineNumber: 2.

Copyright (C) 2012 Yusuke Suzuki (twitter: @Constellation) and other contributors.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

• Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

• Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

some of functions is derived from esprima

Copyright (C) 2012, 2011 Ariya Hidayat (twitter: @ariyahidayat) and other contributors.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

• Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

• Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

some of extensions is derived from closure-compiler

Apache License Version 2.0, January 2004 http://www.apache.org/licenses/