@atlaskit/editor-core/dist/es2015/plugins/text-formatting/transform-to-code.js

A package contains Atlassian editor core functionality

import { ReplaceStep } from '../../prosemirror';
import { createSliceWithContent } from '../../utils';
export function transformToCodeAction(state, from, to) {
    var replaceSteps = [];
    var tr = state.tr;
    // Traverse through all the nodes within the range and replace them with their plaintext counterpart
    state.doc.nodesBetween(from, to, function (node, nodePos) {
        var cur = nodePos;
        var end = cur + node.nodeSize;
        if (node.type === state.schema.nodes.mention) {
            var content = node.attrs.text;
            replaceSteps.push(new ReplaceStep(cur, end, createSliceWithContent(content, state), false));
        }
    });
    // Step from the end so that we don't have to recalculate the positions
    for (var i = replaceSteps.length - 1; i >= 0; i--) {
        tr.step(replaceSteps[i]);
    }
    var updatedTo = state.apply(tr).selection.to;
    var codeMark = state.schema.marks.code.create();
    tr.addMark(from, updatedTo, codeMark).setStoredMarks([codeMark]);
    return tr;
}
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