88 lines
2.0 KiB
TypeScript
88 lines
2.0 KiB
TypeScript
import { toggleMark } from "prosemirror-commands";
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import {
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MarkSpec,
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MarkType,
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Node as ProsemirrorNode,
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Mark as ProsemirrorMark,
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} from "prosemirror-model";
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import moveLeft from "../commands/moveLeft";
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import moveRight from "../commands/moveRight";
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import markInputRule from "../lib/markInputRule";
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import { MarkdownSerializerState } from "../lib/markdown/serializer";
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import Mark from "./Mark";
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function backticksFor(node: ProsemirrorNode, side: -1 | 1) {
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const ticks = /`+/g;
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let match: RegExpMatchArray | null;
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let len = 0;
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if (node.isText) {
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while ((match = ticks.exec(node.text || ""))) {
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len = Math.max(len, match[0].length);
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}
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}
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let result = len > 0 && side > 0 ? " `" : "`";
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for (let i = 0; i < len; i++) {
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result += "`";
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}
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if (len > 0 && side < 0) {
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result += " ";
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}
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return result;
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}
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export default class Code extends Mark {
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get name() {
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return "code_inline";
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}
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get schema(): MarkSpec {
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return {
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excludes: "_",
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parseDOM: [{ tag: "code.inline", preserveWhitespace: true }],
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toDOM: () => ["code", { class: "inline", spellCheck: "false" }],
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};
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}
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inputRules({ type }: { type: MarkType }) {
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return [markInputRule(/(?:^|[^`])(`([^`]+)`)$/, type)];
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}
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keys({ type }: { type: MarkType }) {
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// Note: This key binding only works on non-Mac platforms
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// https://github.com/ProseMirror/prosemirror/issues/515
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return {
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"Mod`": toggleMark(type),
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ArrowLeft: moveLeft(),
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ArrowRight: moveRight(),
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};
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}
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toMarkdown() {
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return {
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open(
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_state: MarkdownSerializerState,
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_mark: ProsemirrorMark,
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parent: ProsemirrorNode,
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index: number
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) {
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return backticksFor(parent.child(index), -1);
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},
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close(
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_state: MarkdownSerializerState,
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_mark: ProsemirrorMark,
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parent: ProsemirrorNode,
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index: number
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) {
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return backticksFor(parent.child(index - 1), 1);
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},
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escape: false,
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};
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}
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parseMarkdown() {
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return { mark: "code_inline" };
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}
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}
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