Action

Replace URLs by MD links

Posted by @seishonagon, Last update 18 days ago

Detects all URLs in a draft and replaces them with a title markdown link if the title exists. (Pages like google.com don’t seem to have a title)
Uses a regex pattern already used by @complexpoint in a similar fashion.
Uses @sylumer ‘s very wide ranging TADPole library

Steps

  • includeAction

    name
    TAD
  • script

    // regex pattern to parse URL's
    // Regular Expression for URL validation
    //
    // Author: Diego Perini
    // Updated: 2010/12/05
    // License: MIT
    //
    // Copyright (c) 2010-2013 Diego Perini (http://www.iport.it)
    //
    // Permission is hereby granted, free of charge, to any person
    // obtaining a copy of this software and associated documentation
    // files (the "Software"), to deal in the Software without
    // restriction, including without limitation the rights to use,
    // copy, modify, merge, publish, distribute, sublicense, and/or sell
    // copies of the Software, and to permit persons to whom the
    // Software is furnished to do so, subject to the following
    // conditions:
    //
    // The above copyright notice and this permission notice shall be
    // included in all copies or substantial portions of the Software.
    //
    // 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 OR COPYRIGHT
    // HOLDERS 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.
    var pattern = new RegExp(
        // protocol identifier
        "(?:(?:https?|ftp)://)" +
        // user:pass authentication
        "(?:\\S+(?::\\S*)?@)?" +
        "(?:" +
        // IP address exclusion
        // private & local networks
        "(?!(?:10|127)(?:\\.\\d{1,3}){3})" +
        "(?!(?:169\\.254|192\\.168)(?:\\.\\d{1,3}){2})" +
        "(?!172\\.(?:1[6-9]|2\\d|3[0-1])(?:\\.\\d{1,3}){2})" +
        // IP address dotted notation octets
        // excludes loopback network 0.0.0.0
        // excludes reserved space >= 224.0.0.0
        // excludes network & broacast addresses
        // (first & last IP address of each class)
        "(?:[1-9]\\d?|1\\d\\d|2[01]\\d|22[0-3])" +
        "(?:\\.(?:1?\\d{1,2}|2[0-4]\\d|25[0-5])){2}" +
        "(?:\\.(?:[1-9]\\d?|1\\d\\d|2[0-4]\\d|25[0-4]))" +
        "|" +
        // host name
        "(?:(?:[a-z\\u00a1-\\uffff0-9]-*)*[a-z\\u00a1-\\uffff0-9]+)" +
        // domain name
        "(?:\\.(?:[a-z\\u00a1-\\uffff0-9]-*)*[a-z\\u00a1-\\uffff0-9]+)*" +
        // TLD identifier
        "(?:\\.(?:[a-z\\u00a1-\\uffff]{2,}))" +
        // TLD may end with dot
        "\\.?" +
        ")" +
        // port number
        "(?::\\d{2,5})?" +
        // resource path
        "(?:[/?#]\\S*)?", "ig")
  • script

    // matches is an array of strings containing all urls
    const matches = draft.content.match(pattern)
    
    
    // iterate and replace
    for (var i = 0; i < matches.length; i++) {
    let h = HTTP.create();
    let m = matches[i]
    try {
    let mdL = h.TA_mdTitleLinkFromURL(m)
    draft.content = draft.content.replace(m,mdL)
    draft.update();
    } catch (e){
    mdL = "[" + m + "](" + m + ")"
    draft.content = draft.content.replace(m,mdL)
    draft.update()
    }
    }
    
    draft.update();

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