mirror of
https://github.com/CharaChorder/DeviceManager.git
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842 lines
30 KiB
JavaScript
842 lines
30 KiB
JavaScript
import { Schema, Mark } from 'prosemirror-model';
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import MarkdownIt from 'markdown-it';
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/**
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Document schema for the data model used by CommonMark.
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*/
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const schema = new Schema({
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nodes: {
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doc: {
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content: "block+"
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},
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paragraph: {
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content: "inline*",
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group: "block",
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parseDOM: [{ tag: "p" }],
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toDOM() { return ["p", 0]; }
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},
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blockquote: {
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content: "block+",
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group: "block",
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parseDOM: [{ tag: "blockquote" }],
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toDOM() { return ["blockquote", 0]; }
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},
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horizontal_rule: {
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group: "block",
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parseDOM: [{ tag: "hr" }],
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toDOM() { return ["div", ["hr"]]; }
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},
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heading: {
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attrs: { level: { default: 1 } },
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content: "(text | image)*",
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group: "block",
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defining: true,
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parseDOM: [{ tag: "h1", attrs: { level: 1 } },
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{ tag: "h2", attrs: { level: 2 } },
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{ tag: "h3", attrs: { level: 3 } },
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{ tag: "h4", attrs: { level: 4 } },
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{ tag: "h5", attrs: { level: 5 } },
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{ tag: "h6", attrs: { level: 6 } }],
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toDOM(node) { return ["h" + node.attrs.level, 0]; }
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},
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code_block: {
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content: "text*",
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group: "block",
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code: true,
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defining: true,
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marks: "",
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attrs: { params: { default: "" } },
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parseDOM: [{ tag: "pre", preserveWhitespace: "full", getAttrs: node => ({ params: node.getAttribute("data-params") || "" }) }],
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toDOM(node) { return ["pre", node.attrs.params ? { "data-params": node.attrs.params } : {}, ["code", 0]]; }
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},
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ordered_list: {
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content: "list_item+",
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group: "block",
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attrs: { order: { default: 1 }, tight: { default: false } },
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parseDOM: [{ tag: "ol", getAttrs(dom) {
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return { order: dom.hasAttribute("start") ? +dom.getAttribute("start") : 1,
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tight: dom.hasAttribute("data-tight") };
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} }],
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toDOM(node) {
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return ["ol", { start: node.attrs.order == 1 ? null : node.attrs.order,
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"data-tight": node.attrs.tight ? "true" : null }, 0];
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}
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},
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bullet_list: {
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content: "list_item+",
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group: "block",
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attrs: { tight: { default: false } },
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parseDOM: [{ tag: "ul", getAttrs: dom => ({ tight: dom.hasAttribute("data-tight") }) }],
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toDOM(node) { return ["ul", { "data-tight": node.attrs.tight ? "true" : null }, 0]; }
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},
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list_item: {
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content: "block+",
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defining: true,
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parseDOM: [{ tag: "li" }],
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toDOM() { return ["li", 0]; }
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},
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text: {
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group: "inline"
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},
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image: {
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inline: true,
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attrs: {
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src: {},
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alt: { default: null },
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title: { default: null }
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},
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group: "inline",
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draggable: true,
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parseDOM: [{ tag: "img[src]", getAttrs(dom) {
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return {
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src: dom.getAttribute("src"),
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title: dom.getAttribute("title"),
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alt: dom.getAttribute("alt")
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};
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} }],
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toDOM(node) { return ["img", node.attrs]; }
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},
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hard_break: {
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inline: true,
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group: "inline",
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selectable: false,
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parseDOM: [{ tag: "br" }],
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toDOM() { return ["br"]; }
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}
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},
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marks: {
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em: {
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parseDOM: [
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{ tag: "i" }, { tag: "em" },
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{ style: "font-style=italic" },
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{ style: "font-style=normal", clearMark: m => m.type.name == "em" }
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],
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toDOM() { return ["em"]; }
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},
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strong: {
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parseDOM: [
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{ tag: "strong" },
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{ tag: "b", getAttrs: (node) => node.style.fontWeight != "normal" && null },
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{ style: "font-weight=400", clearMark: m => m.type.name == "strong" },
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{ style: "font-weight", getAttrs: (value) => /^(bold(er)?|[5-9]\d{2,})$/.test(value) && null }
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],
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toDOM() { return ["strong"]; }
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},
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link: {
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attrs: {
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href: {},
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title: { default: null }
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},
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inclusive: false,
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parseDOM: [{ tag: "a[href]", getAttrs(dom) {
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return { href: dom.getAttribute("href"), title: dom.getAttribute("title") };
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} }],
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toDOM(node) { return ["a", node.attrs]; }
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},
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code: {
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parseDOM: [{ tag: "code" }],
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toDOM() { return ["code"]; }
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}
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}
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});
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// @ts-ignore
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function maybeMerge(a, b) {
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if (a.isText && b.isText && Mark.sameSet(a.marks, b.marks))
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return a.withText(a.text + b.text);
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}
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// Object used to track the context of a running parse.
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class MarkdownParseState {
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constructor(schema, tokenHandlers) {
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this.schema = schema;
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this.tokenHandlers = tokenHandlers;
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this.stack = [{ type: schema.topNodeType, attrs: null, content: [], marks: Mark.none }];
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}
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top() {
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return this.stack[this.stack.length - 1];
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}
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push(elt) {
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if (this.stack.length)
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this.top().content.push(elt);
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}
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// Adds the given text to the current position in the document,
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// using the current marks as styling.
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addText(text) {
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if (!text)
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return;
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let top = this.top(), nodes = top.content, last = nodes[nodes.length - 1];
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let node = this.schema.text(text, top.marks), merged;
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if (last && (merged = maybeMerge(last, node)))
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nodes[nodes.length - 1] = merged;
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else
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nodes.push(node);
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}
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// Adds the given mark to the set of active marks.
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openMark(mark) {
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let top = this.top();
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top.marks = mark.addToSet(top.marks);
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}
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// Removes the given mark from the set of active marks.
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closeMark(mark) {
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let top = this.top();
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top.marks = mark.removeFromSet(top.marks);
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}
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parseTokens(toks) {
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for (let i = 0; i < toks.length; i++) {
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let tok = toks[i];
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let handler = this.tokenHandlers[tok.type];
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if (!handler)
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throw new Error("Token type `" + tok.type + "` not supported by Markdown parser");
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handler(this, tok, toks, i);
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}
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}
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// Add a node at the current position.
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addNode(type, attrs, content) {
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let top = this.top();
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let node = type.createAndFill(attrs, content, top ? top.marks : []);
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if (!node)
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return null;
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this.push(node);
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return node;
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}
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// Wrap subsequent content in a node of the given type.
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openNode(type, attrs) {
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this.stack.push({ type: type, attrs: attrs, content: [], marks: Mark.none });
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}
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// Close and return the node that is currently on top of the stack.
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closeNode() {
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let info = this.stack.pop();
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return this.addNode(info.type, info.attrs, info.content);
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}
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}
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function attrs(spec, token, tokens, i) {
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if (spec.getAttrs)
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return spec.getAttrs(token, tokens, i);
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// For backwards compatibility when `attrs` is a Function
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else if (spec.attrs instanceof Function)
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return spec.attrs(token);
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else
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return spec.attrs;
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}
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// Code content is represented as a single token with a `content`
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// property in Markdown-it.
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function noCloseToken(spec, type) {
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return spec.noCloseToken || type == "code_inline" || type == "code_block" || type == "fence";
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}
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function withoutTrailingNewline(str) {
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return str[str.length - 1] == "\n" ? str.slice(0, str.length - 1) : str;
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}
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function noOp() { }
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function tokenHandlers(schema, tokens) {
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let handlers = Object.create(null);
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for (let type in tokens) {
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let spec = tokens[type];
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if (spec.block) {
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let nodeType = schema.nodeType(spec.block);
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if (noCloseToken(spec, type)) {
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handlers[type] = (state, tok, tokens, i) => {
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state.openNode(nodeType, attrs(spec, tok, tokens, i));
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state.addText(withoutTrailingNewline(tok.content));
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state.closeNode();
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};
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}
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else {
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handlers[type + "_open"] = (state, tok, tokens, i) => state.openNode(nodeType, attrs(spec, tok, tokens, i));
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handlers[type + "_close"] = state => state.closeNode();
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}
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}
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else if (spec.node) {
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let nodeType = schema.nodeType(spec.node);
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handlers[type] = (state, tok, tokens, i) => state.addNode(nodeType, attrs(spec, tok, tokens, i));
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}
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else if (spec.mark) {
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let markType = schema.marks[spec.mark];
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if (noCloseToken(spec, type)) {
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handlers[type] = (state, tok, tokens, i) => {
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state.openMark(markType.create(attrs(spec, tok, tokens, i)));
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state.addText(withoutTrailingNewline(tok.content));
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state.closeMark(markType);
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};
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}
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else {
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handlers[type + "_open"] = (state, tok, tokens, i) => state.openMark(markType.create(attrs(spec, tok, tokens, i)));
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handlers[type + "_close"] = state => state.closeMark(markType);
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}
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}
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else if (spec.ignore) {
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if (noCloseToken(spec, type)) {
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handlers[type] = noOp;
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}
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else {
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handlers[type + "_open"] = noOp;
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handlers[type + "_close"] = noOp;
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}
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}
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else {
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throw new RangeError("Unrecognized parsing spec " + JSON.stringify(spec));
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}
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}
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handlers.text = (state, tok) => state.addText(tok.content);
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handlers.inline = (state, tok) => state.parseTokens(tok.children);
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handlers.softbreak = handlers.softbreak || (state => state.addText(" "));
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return handlers;
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}
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/**
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A configuration of a Markdown parser. Such a parser uses
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[markdown-it](https://github.com/markdown-it/markdown-it) to
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tokenize a file, and then runs the custom rules it is given over
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the tokens to create a ProseMirror document tree.
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*/
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class MarkdownParser {
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/**
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Create a parser with the given configuration. You can configure
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the markdown-it parser to parse the dialect you want, and provide
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a description of the ProseMirror entities those tokens map to in
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the `tokens` object, which maps token names to descriptions of
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what to do with them. Such a description is an object, and may
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have the following properties:
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*/
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constructor(
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/**
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The parser's document schema.
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*/
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schema,
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/**
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This parser's markdown-it tokenizer.
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*/
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tokenizer,
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/**
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The value of the `tokens` object used to construct this
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parser. Can be useful to copy and modify to base other parsers
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on.
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*/
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tokens) {
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this.schema = schema;
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this.tokenizer = tokenizer;
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this.tokens = tokens;
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this.tokenHandlers = tokenHandlers(schema, tokens);
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}
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/**
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Parse a string as [CommonMark](http://commonmark.org/) markup,
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and create a ProseMirror document as prescribed by this parser's
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rules.
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The second argument, when given, is passed through to the
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[Markdown
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parser](https://markdown-it.github.io/markdown-it/#MarkdownIt.parse).
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*/
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parse(text, markdownEnv = {}) {
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let state = new MarkdownParseState(this.schema, this.tokenHandlers), doc;
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state.parseTokens(this.tokenizer.parse(text, markdownEnv));
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do {
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doc = state.closeNode();
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} while (state.stack.length);
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return doc || this.schema.topNodeType.createAndFill();
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}
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}
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function listIsTight(tokens, i) {
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while (++i < tokens.length)
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if (tokens[i].type != "list_item_open")
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return tokens[i].hidden;
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return false;
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}
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/**
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A parser parsing unextended [CommonMark](http://commonmark.org/),
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without inline HTML, and producing a document in the basic schema.
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*/
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const defaultMarkdownParser = new MarkdownParser(schema, MarkdownIt("commonmark", { html: false }), {
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blockquote: { block: "blockquote" },
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paragraph: { block: "paragraph" },
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list_item: { block: "list_item" },
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bullet_list: { block: "bullet_list", getAttrs: (_, tokens, i) => ({ tight: listIsTight(tokens, i) }) },
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ordered_list: { block: "ordered_list", getAttrs: (tok, tokens, i) => ({
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order: +tok.attrGet("start") || 1,
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tight: listIsTight(tokens, i)
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}) },
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heading: { block: "heading", getAttrs: tok => ({ level: +tok.tag.slice(1) }) },
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code_block: { block: "code_block", noCloseToken: true },
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fence: { block: "code_block", getAttrs: tok => ({ params: tok.info || "" }), noCloseToken: true },
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hr: { node: "horizontal_rule" },
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image: { node: "image", getAttrs: tok => ({
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src: tok.attrGet("src"),
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title: tok.attrGet("title") || null,
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alt: tok.children[0] && tok.children[0].content || null
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}) },
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hardbreak: { node: "hard_break" },
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em: { mark: "em" },
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strong: { mark: "strong" },
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link: { mark: "link", getAttrs: tok => ({
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href: tok.attrGet("href"),
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title: tok.attrGet("title") || null
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}) },
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code_inline: { mark: "code", noCloseToken: true }
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});
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/**
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A specification for serializing a ProseMirror document as
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Markdown/CommonMark text.
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*/
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class MarkdownSerializer {
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/**
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Construct a serializer with the given configuration. The `nodes`
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object should map node names in a given schema to function that
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take a serializer state and such a node, and serialize the node.
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*/
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constructor(
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/**
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The node serializer functions for this serializer.
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*/
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nodes,
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/**
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The mark serializer info.
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*/
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marks, options = {}) {
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this.nodes = nodes;
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this.marks = marks;
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this.options = options;
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}
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/**
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Serialize the content of the given node to
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[CommonMark](http://commonmark.org/).
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*/
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serialize(content, options = {}) {
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options = Object.assign({}, this.options, options);
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let state = new MarkdownSerializerState(this.nodes, this.marks, options);
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state.renderContent(content);
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return state.out;
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}
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}
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/**
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A serializer for the [basic schema](https://prosemirror.net/docs/ref/#schema).
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*/
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const defaultMarkdownSerializer = new MarkdownSerializer({
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blockquote(state, node) {
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state.wrapBlock("> ", null, node, () => state.renderContent(node));
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},
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code_block(state, node) {
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// Make sure the front matter fences are longer than any dash sequence within it
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const backticks = node.textContent.match(/`{3,}/gm);
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const fence = backticks ? (backticks.sort().slice(-1)[0] + "`") : "```";
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state.write(fence + (node.attrs.params || "") + "\n");
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state.text(node.textContent, false);
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// Add a newline to the current content before adding closing marker
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state.write("\n");
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state.write(fence);
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state.closeBlock(node);
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},
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heading(state, node) {
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state.write(state.repeat("#", node.attrs.level) + " ");
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state.renderInline(node);
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state.closeBlock(node);
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},
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horizontal_rule(state, node) {
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state.write(node.attrs.markup || "---");
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state.closeBlock(node);
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},
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bullet_list(state, node) {
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state.renderList(node, " ", () => (node.attrs.bullet || "*") + " ");
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},
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ordered_list(state, node) {
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let start = node.attrs.order || 1;
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let maxW = String(start + node.childCount - 1).length;
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let space = state.repeat(" ", maxW + 2);
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state.renderList(node, space, i => {
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let nStr = String(start + i);
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return state.repeat(" ", maxW - nStr.length) + nStr + ". ";
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});
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},
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list_item(state, node) {
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state.renderContent(node);
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},
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paragraph(state, node) {
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state.renderInline(node);
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state.closeBlock(node);
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},
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image(state, node) {
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state.write("![" + state.esc(node.attrs.alt || "") + "](" + node.attrs.src.replace(/[\(\)]/g, "\\$&") +
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(node.attrs.title ? ' "' + node.attrs.title.replace(/"/g, '\\"') + '"' : "") + ")");
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},
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hard_break(state, node, parent, index) {
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for (let i = index + 1; i < parent.childCount; i++)
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if (parent.child(i).type != node.type) {
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state.write("\\\n");
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return;
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}
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},
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text(state, node) {
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state.text(node.text, !state.inAutolink);
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}
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}, {
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em: { open: "*", close: "*", mixable: true, expelEnclosingWhitespace: true },
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strong: { open: "**", close: "**", mixable: true, expelEnclosingWhitespace: true },
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link: {
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open(state, mark, parent, index) {
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state.inAutolink = isPlainURL(mark, parent, index);
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return state.inAutolink ? "<" : "[";
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},
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close(state, mark, parent, index) {
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let { inAutolink } = state;
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state.inAutolink = undefined;
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return inAutolink ? ">"
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: "](" + mark.attrs.href.replace(/[\(\)"]/g, "\\$&") + (mark.attrs.title ? ` "${mark.attrs.title.replace(/"/g, '\\"')}"` : "") + ")";
|
|
},
|
|
mixable: true
|
|
},
|
|
code: { open(_state, _mark, parent, index) { return backticksFor(parent.child(index), -1); },
|
|
close(_state, _mark, parent, index) { return backticksFor(parent.child(index - 1), 1); },
|
|
escape: false }
|
|
});
|
|
function backticksFor(node, side) {
|
|
let ticks = /`+/g, m, len = 0;
|
|
if (node.isText)
|
|
while (m = ticks.exec(node.text))
|
|
len = Math.max(len, m[0].length);
|
|
let result = len > 0 && side > 0 ? " `" : "`";
|
|
for (let i = 0; i < len; i++)
|
|
result += "`";
|
|
if (len > 0 && side < 0)
|
|
result += " ";
|
|
return result;
|
|
}
|
|
function isPlainURL(link, parent, index) {
|
|
if (link.attrs.title || !/^\w+:/.test(link.attrs.href))
|
|
return false;
|
|
let content = parent.child(index);
|
|
if (!content.isText || content.text != link.attrs.href || content.marks[content.marks.length - 1] != link)
|
|
return false;
|
|
return index == parent.childCount - 1 || !link.isInSet(parent.child(index + 1).marks);
|
|
}
|
|
/**
|
|
This is an object used to track state and expose
|
|
methods related to markdown serialization. Instances are passed to
|
|
node and mark serialization methods (see `toMarkdown`).
|
|
*/
|
|
class MarkdownSerializerState {
|
|
/**
|
|
@internal
|
|
*/
|
|
constructor(
|
|
/**
|
|
@internal
|
|
*/
|
|
nodes,
|
|
/**
|
|
@internal
|
|
*/
|
|
marks,
|
|
/**
|
|
The options passed to the serializer.
|
|
*/
|
|
options) {
|
|
this.nodes = nodes;
|
|
this.marks = marks;
|
|
this.options = options;
|
|
/**
|
|
@internal
|
|
*/
|
|
this.delim = "";
|
|
/**
|
|
@internal
|
|
*/
|
|
this.out = "";
|
|
/**
|
|
@internal
|
|
*/
|
|
this.closed = null;
|
|
/**
|
|
@internal
|
|
*/
|
|
this.inAutolink = undefined;
|
|
/**
|
|
@internal
|
|
*/
|
|
this.atBlockStart = false;
|
|
/**
|
|
@internal
|
|
*/
|
|
this.inTightList = false;
|
|
if (typeof this.options.tightLists == "undefined")
|
|
this.options.tightLists = false;
|
|
if (typeof this.options.hardBreakNodeName == "undefined")
|
|
this.options.hardBreakNodeName = "hard_break";
|
|
}
|
|
/**
|
|
@internal
|
|
*/
|
|
flushClose(size = 2) {
|
|
if (this.closed) {
|
|
if (!this.atBlank())
|
|
this.out += "\n";
|
|
if (size > 1) {
|
|
let delimMin = this.delim;
|
|
let trim = /\s+$/.exec(delimMin);
|
|
if (trim)
|
|
delimMin = delimMin.slice(0, delimMin.length - trim[0].length);
|
|
for (let i = 1; i < size; i++)
|
|
this.out += delimMin + "\n";
|
|
}
|
|
this.closed = null;
|
|
}
|
|
}
|
|
/**
|
|
Render a block, prefixing each line with `delim`, and the first
|
|
line in `firstDelim`. `node` should be the node that is closed at
|
|
the end of the block, and `f` is a function that renders the
|
|
content of the block.
|
|
*/
|
|
wrapBlock(delim, firstDelim, node, f) {
|
|
let old = this.delim;
|
|
this.write(firstDelim != null ? firstDelim : delim);
|
|
this.delim += delim;
|
|
f();
|
|
this.delim = old;
|
|
this.closeBlock(node);
|
|
}
|
|
/**
|
|
@internal
|
|
*/
|
|
atBlank() {
|
|
return /(^|\n)$/.test(this.out);
|
|
}
|
|
/**
|
|
Ensure the current content ends with a newline.
|
|
*/
|
|
ensureNewLine() {
|
|
if (!this.atBlank())
|
|
this.out += "\n";
|
|
}
|
|
/**
|
|
Prepare the state for writing output (closing closed paragraphs,
|
|
adding delimiters, and so on), and then optionally add content
|
|
(unescaped) to the output.
|
|
*/
|
|
write(content) {
|
|
this.flushClose();
|
|
if (this.delim && this.atBlank())
|
|
this.out += this.delim;
|
|
if (content)
|
|
this.out += content;
|
|
}
|
|
/**
|
|
Close the block for the given node.
|
|
*/
|
|
closeBlock(node) {
|
|
this.closed = node;
|
|
}
|
|
/**
|
|
Add the given text to the document. When escape is not `false`,
|
|
it will be escaped.
|
|
*/
|
|
text(text, escape = true) {
|
|
let lines = text.split("\n");
|
|
for (let i = 0; i < lines.length; i++) {
|
|
this.write();
|
|
// Escape exclamation marks in front of links
|
|
if (!escape && lines[i][0] == "[" && /(^|[^\\])\!$/.test(this.out))
|
|
this.out = this.out.slice(0, this.out.length - 1) + "\\!";
|
|
this.out += escape ? this.esc(lines[i], this.atBlockStart) : lines[i];
|
|
if (i != lines.length - 1)
|
|
this.out += "\n";
|
|
}
|
|
}
|
|
/**
|
|
Render the given node as a block.
|
|
*/
|
|
render(node, parent, index) {
|
|
if (typeof parent == "number")
|
|
throw new Error("!");
|
|
if (!this.nodes[node.type.name])
|
|
throw new Error("Token type `" + node.type.name + "` not supported by Markdown renderer");
|
|
this.nodes[node.type.name](this, node, parent, index);
|
|
}
|
|
/**
|
|
Render the contents of `parent` as block nodes.
|
|
*/
|
|
renderContent(parent) {
|
|
parent.forEach((node, _, i) => this.render(node, parent, i));
|
|
}
|
|
/**
|
|
Render the contents of `parent` as inline content.
|
|
*/
|
|
renderInline(parent) {
|
|
this.atBlockStart = true;
|
|
let active = [], trailing = "";
|
|
let progress = (node, offset, index) => {
|
|
let marks = node ? node.marks : [];
|
|
// Remove marks from `hard_break` that are the last node inside
|
|
// that mark to prevent parser edge cases with new lines just
|
|
// before closing marks.
|
|
if (node && node.type.name === this.options.hardBreakNodeName)
|
|
marks = marks.filter(m => {
|
|
if (index + 1 == parent.childCount)
|
|
return false;
|
|
let next = parent.child(index + 1);
|
|
return m.isInSet(next.marks) && (!next.isText || /\S/.test(next.text));
|
|
});
|
|
let leading = trailing;
|
|
trailing = "";
|
|
// If whitespace has to be expelled from the node, adjust
|
|
// leading and trailing accordingly.
|
|
if (node && node.isText && marks.some(mark => {
|
|
let info = this.marks[mark.type.name];
|
|
return info && info.expelEnclosingWhitespace && !mark.isInSet(active);
|
|
})) {
|
|
let [_, lead, rest] = /^(\s*)(.*)$/m.exec(node.text);
|
|
if (lead) {
|
|
leading += lead;
|
|
node = rest ? node.withText(rest) : null;
|
|
if (!node)
|
|
marks = active;
|
|
}
|
|
}
|
|
if (node && node.isText && marks.some(mark => {
|
|
let info = this.marks[mark.type.name];
|
|
return info && info.expelEnclosingWhitespace &&
|
|
(index == parent.childCount - 1 || !mark.isInSet(parent.child(index + 1).marks));
|
|
})) {
|
|
let [_, rest, trail] = /^(.*?)(\s*)$/m.exec(node.text);
|
|
if (trail) {
|
|
trailing = trail;
|
|
node = rest ? node.withText(rest) : null;
|
|
if (!node)
|
|
marks = active;
|
|
}
|
|
}
|
|
let inner = marks.length ? marks[marks.length - 1] : null;
|
|
let noEsc = inner && this.marks[inner.type.name].escape === false;
|
|
let len = marks.length - (noEsc ? 1 : 0);
|
|
// Try to reorder 'mixable' marks, such as em and strong, which
|
|
// in Markdown may be opened and closed in different order, so
|
|
// that order of the marks for the token matches the order in
|
|
// active.
|
|
outer: for (let i = 0; i < len; i++) {
|
|
let mark = marks[i];
|
|
if (!this.marks[mark.type.name].mixable)
|
|
break;
|
|
for (let j = 0; j < active.length; j++) {
|
|
let other = active[j];
|
|
if (!this.marks[other.type.name].mixable)
|
|
break;
|
|
if (mark.eq(other)) {
|
|
if (i > j)
|
|
marks = marks.slice(0, j).concat(mark).concat(marks.slice(j, i)).concat(marks.slice(i + 1, len));
|
|
else if (j > i)
|
|
marks = marks.slice(0, i).concat(marks.slice(i + 1, j)).concat(mark).concat(marks.slice(j, len));
|
|
continue outer;
|
|
}
|
|
}
|
|
}
|
|
// Find the prefix of the mark set that didn't change
|
|
let keep = 0;
|
|
while (keep < Math.min(active.length, len) && marks[keep].eq(active[keep]))
|
|
++keep;
|
|
// Close the marks that need to be closed
|
|
while (keep < active.length)
|
|
this.text(this.markString(active.pop(), false, parent, index), false);
|
|
// Output any previously expelled trailing whitespace outside the marks
|
|
if (leading)
|
|
this.text(leading);
|
|
// Open the marks that need to be opened
|
|
if (node) {
|
|
while (active.length < len) {
|
|
let add = marks[active.length];
|
|
active.push(add);
|
|
this.text(this.markString(add, true, parent, index), false);
|
|
this.atBlockStart = false;
|
|
}
|
|
// Render the node. Special case code marks, since their content
|
|
// may not be escaped.
|
|
if (noEsc && node.isText)
|
|
this.text(this.markString(inner, true, parent, index) + node.text +
|
|
this.markString(inner, false, parent, index + 1), false);
|
|
else
|
|
this.render(node, parent, index);
|
|
this.atBlockStart = false;
|
|
}
|
|
// After the first non-empty text node is rendered, the end of output
|
|
// is no longer at block start.
|
|
//
|
|
// FIXME: If a non-text node writes something to the output for this
|
|
// block, the end of output is also no longer at block start. But how
|
|
// can we detect that?
|
|
if ((node === null || node === void 0 ? void 0 : node.isText) && node.nodeSize > 0) {
|
|
this.atBlockStart = false;
|
|
}
|
|
};
|
|
parent.forEach(progress);
|
|
progress(null, 0, parent.childCount);
|
|
this.atBlockStart = false;
|
|
}
|
|
/**
|
|
Render a node's content as a list. `delim` should be the extra
|
|
indentation added to all lines except the first in an item,
|
|
`firstDelim` is a function going from an item index to a
|
|
delimiter for the first line of the item.
|
|
*/
|
|
renderList(node, delim, firstDelim) {
|
|
if (this.closed && this.closed.type == node.type)
|
|
this.flushClose(3);
|
|
else if (this.inTightList)
|
|
this.flushClose(1);
|
|
let isTight = typeof node.attrs.tight != "undefined" ? node.attrs.tight : this.options.tightLists;
|
|
let prevTight = this.inTightList;
|
|
this.inTightList = isTight;
|
|
node.forEach((child, _, i) => {
|
|
if (i && isTight)
|
|
this.flushClose(1);
|
|
this.wrapBlock(delim, firstDelim(i), node, () => this.render(child, node, i));
|
|
});
|
|
this.inTightList = prevTight;
|
|
}
|
|
/**
|
|
Escape the given string so that it can safely appear in Markdown
|
|
content. If `startOfLine` is true, also escape characters that
|
|
have special meaning only at the start of the line.
|
|
*/
|
|
esc(str, startOfLine = false) {
|
|
str = str.replace(/[`*\\~\[\]_]/g, (m, i) => m == "_" && i > 0 && i + 1 < str.length && str[i - 1].match(/\w/) && str[i + 1].match(/\w/) ? m : "\\" + m);
|
|
if (startOfLine)
|
|
str = str.replace(/^[\-*+>]/, "\\$&").replace(/^(\s*)(#{1,6})(\s|$)/, '$1\\$2$3').replace(/^(\s*\d+)\.\s/, "$1\\. ");
|
|
if (this.options.escapeExtraCharacters)
|
|
str = str.replace(this.options.escapeExtraCharacters, "\\$&");
|
|
return str;
|
|
}
|
|
/**
|
|
@internal
|
|
*/
|
|
quote(str) {
|
|
let wrap = str.indexOf('"') == -1 ? '""' : str.indexOf("'") == -1 ? "''" : "()";
|
|
return wrap[0] + str + wrap[1];
|
|
}
|
|
/**
|
|
Repeat the given string `n` times.
|
|
*/
|
|
repeat(str, n) {
|
|
let out = "";
|
|
for (let i = 0; i < n; i++)
|
|
out += str;
|
|
return out;
|
|
}
|
|
/**
|
|
Get the markdown string for a given opening or closing mark.
|
|
*/
|
|
markString(mark, open, parent, index) {
|
|
let info = this.marks[mark.type.name];
|
|
let value = open ? info.open : info.close;
|
|
return typeof value == "string" ? value : value(this, mark, parent, index);
|
|
}
|
|
/**
|
|
Get leading and trailing whitespace from a string. Values of
|
|
leading or trailing property of the return object will be undefined
|
|
if there is no match.
|
|
*/
|
|
getEnclosingWhitespace(text) {
|
|
return {
|
|
leading: (text.match(/^(\s+)/) || [undefined])[0],
|
|
trailing: (text.match(/(\s+)$/) || [undefined])[0]
|
|
};
|
|
}
|
|
}
|
|
|
|
export { MarkdownParser, MarkdownSerializer, MarkdownSerializerState, defaultMarkdownParser, defaultMarkdownSerializer, schema };
|