Method extendSelection

typings/codemirror/codemirror.d.ts:519–519

Similar to setSelection , but will, if shift is held or the extending flag is set, move the head of the selection while leaving the anchor at its current place. pos2 is optional , and can be passed to ensure a region (for example a word or paragraph) will end up selected (in

(from: CodeMirror.Position, to?: CodeMirror.Position)

        pos2 is optional , and can be passed to ensure a region (for example a word or paragraph) will end up selected
        (in addition to whatever lies between that region and the current anchor). */
        extendSelection(from: CodeMirror.Position, to?: CodeMirror.Position): void;

        /** Sets or clears the 'extending' flag , which acts similar to the shift key,
        in that it will cause cursor movement and calls to extendSelection to leave the selection anchor in place. */