fortissimo-html/dist/copy-script.js

Fortissimo HTML - Flexible, Forgiving, Formatting HTML Parser

"use strict";
/* This file is meant to be stringified and used as ES5-compatible JavaScript. */
Object.defineProperty(exports, "__esModule", { value: true });
exports.addCopyListener = exports.getCopyScript = exports.copyScriptAsIIFE = void 0;
// tslint:disable prefer-const
// tslint:disable no-var-keyword
const wsReplacements = {
    '·': ' ',
    '↵\n': '\n',
    '↧\f': '\f',
    '␍\r': '\r',
    '␍↵\r\n': '\r\n',
    '•': '\xA0'
};
exports.copyScriptAsIIFE = `(function() {
var wsReplacements = ${JSON.stringify(wsReplacements)};

${restoreWhitespaceStrict.toString()}

${restoreWhitespace.toString()}

(${addCopyListener.toString()})();
})();
`.replace(/cov_\w+\.\w(\[\d+\])+\+\+[;,]/g, ''); // Remove code-coverage changes that might get embedded in the code.
function getCopyScript(prefix = 'fh-') {
    return exports.copyScriptAsIIFE.replace("'fh-'", "'" + prefix + "'");
}
exports.getCopyScript = getCopyScript;
function restoreWhitespaceStrict(s) {
    return s.replace(/[^ \n\r\t\f\xA0]/g, function (ch) { return ch === '·' ? ' ' : ch === '•' ? '\xA0' : ''; });
}
function restoreWhitespace(s) {
    return s.replace(/·|↵\n|↧\f|␍\r|␍↵\r\n|•|↵|↧|␍|�/g, function (ws) {
        return wsReplacements[ws] || '';
    });
}
function addCopyListener(prefix) {
    prefix = prefix || 'fh-';
    var doc = document.querySelector('.' + prefix + 'html');
    if (!doc)
        return;
    doc.addEventListener('copy', function (event) {
        var selection = document.getSelection();
        var newSelection;
        var copied = false;
        if (selection.anchorNode && selection.getRangeAt) {
            try {
                var nodes = selection.getRangeAt(0).cloneContents().childNodes;
                var parts = [];
                /* nodes isn't a "real" array - no forEach! */
                for (var i = 0; i < nodes.length; ++i) {
                    var node = nodes[i];
                    if (node.classList && (node.classList.contains(prefix + 'invalid') ||
                        node.classList.contains(prefix + 'whitespace')))
                        parts.push(restoreWhitespaceStrict(node.innerText));
                    else if (node.localName === 'span')
                        parts.push(node.innerText);
                    else
                        parts.push(node.nodeValue);
                }
                newSelection = parts.join('');
                copied = true;
            }
            catch (err) { }
        }
        if (!copied)
            newSelection = restoreWhitespace(selection.toString());
        event.clipboardData.setData('text/plain', newSelection);
        event.preventDefault();
    });
}
exports.addCopyListener = addCopyListener;
//# sourceMappingURL=copy-script.js.map