Optional ReadonlyallOptional ReadonlyboldOptional ReadonlyboldOptional ReadonlyborderOptional ReadonlycharacterOptional ReadonlycolorThe text's color: a hex color such as "FF0000", "auto", or a color of the document's theme such as { theme: "accent1" }
Optional ReadonlydoubleOptional ReadonlyeastWord's East Asian typography for the run's text: two lines in one, which sets it in two half-size lines within one line, optionally in brackets, and horizontal in vertical, which sets it across the line in text that runs down the page
Optional ReadonlyeffectOptional ReadonlyembossOptional ReadonlyemphasisOptional ReadonlyfitSqueezes or spreads the run's text so that it takes up the width given, as Word's Fit Text does. Runs next to each
other with the same group are fitted to it together.
Optional ReadonlyfontThe font: a font name, a font for each character set, or one of the fonts of the document's theme, such as
{ theme: "body" }
Optional ReadonlyhighlightOptional ReadonlyhighlightOptional ReadonlyimprintOptional ReadonlyitalicsOptional ReadonlyitalicsOptional ReadonlykernOptional ReadonlylanguageOptional ReadonlymathOptional ReadonlynoOptional ReadonlypositionOptional ReadonlyrevisionOptional ReadonlyrightOptional ReadonlyscaleOptional ReadonlyshadingOptional ReadonlysizeOptional ReadonlysizeOptional ReadonlysmallOptional ReadonlysnapOptional ReadonlyspecKeeps a hidden paragraph mark hidden even when hidden text is shown, so its paragraph always runs on into the next one,
as Word's style separator does. It is meant for a paragraph's mark, with vanish:
new Paragraph({ run: { vanish: true, specVanish: true } }). Without vanish, Word doesn't hide the mark.
Optional ReadonlystrikeOptional ReadonlysubOptional ReadonlysuperOptional ReadonlyunderlineOptional ReadonlyvanishHides the text. false shows text that the run's style hides.
Run style properties options.
These properties define the formatting that can be applied to a run of text, including font, size, bold, italic, underline, color, and other character formatting.
Reference: http://officeopenxml.com/WPtextFormatting.php