Files

393 lines
13 KiB
TypeScript

/**
* markdown-to-jsx is a fork of
* [simple-markdown v0.2.2](https://github.com/Khan/simple-markdown)
* from Khan Academy. Thank you Khan devs for making such an awesome
* and extensible parsing infra... without it, half of the
* optimizations here wouldn't be feasible. 🙏🏼
*/
import * as React from 'react';
/**
* Analogous to `node.type`. Please note that the values here may change at any time,
* so do not hard code against the value directly.
*/
export declare const enum RuleType {
blockQuote = "0",
breakLine = "1",
breakThematic = "2",
codeBlock = "3",
codeFenced = "4",
codeInline = "5",
footnote = "6",
footnoteReference = "7",
gfmTask = "8",
heading = "9",
headingSetext = "10",
/** only available if not `disableHTMLParsing` */
htmlBlock = "11",
htmlComment = "12",
/** only available if not `disableHTMLParsing` */
htmlSelfClosing = "13",
image = "14",
link = "15",
/** emits a `link` 'node', does not render directly */
linkAngleBraceStyleDetector = "16",
/** emits a `link` 'node', does not render directly */
linkBareUrlDetector = "17",
/** emits a `link` 'node', does not render directly */
linkMailtoDetector = "18",
newlineCoalescer = "19",
orderedList = "20",
paragraph = "21",
ref = "22",
refImage = "23",
refLink = "24",
table = "25",
tableSeparator = "26",
text = "27",
textBolded = "28",
textEmphasized = "29",
textEscaped = "30",
textMarked = "31",
textStrikethroughed = "32",
unorderedList = "33"
}
declare const enum Priority {
/**
* anything that must scan the tree before everything else
*/
MAX = 0,
/**
* scans for block-level constructs
*/
HIGH = 1,
/**
* inline w/ more priority than other inline
*/
MED = 2,
/**
* inline elements
*/
LOW = 3,
/**
* bare text and stuff that is considered leftovers
*/
MIN = 4
}
export declare function slugify(str: string): string;
export declare function compiler(markdown?: string, options?: MarkdownToJSX.Options): JSX.Element;
/**
* A simple HOC for easy React use. Feed the markdown content as a direct child
* and the rest is taken care of automatically.
*/
declare const Markdown: React.FC<{
[key: string]: any;
children: string;
options?: MarkdownToJSX.Options;
}>;
export declare namespace MarkdownToJSX {
/**
* RequireAtLeastOne<{ ... }> <- only requires at least one key
*/
type RequireAtLeastOne<T, Keys extends keyof T = keyof T> = Pick<T, Exclude<keyof T, Keys>> & {
[K in Keys]-?: Required<Pick<T, K>> & Partial<Pick<T, Exclude<Keys, K>>>;
}[Keys];
export type CreateElement = typeof React.createElement;
export type HTMLTags = keyof JSX.IntrinsicElements;
export type State = {
/** true if the current content is inside anchor link grammar */
inAnchor?: boolean;
/** true if parsing in an inline context (subset of rules around formatting and links) */
inline?: boolean;
/** true if in a table */
inTable?: boolean;
/** use this for the `key` prop */
key?: React.Key;
/** true if in a list */
list?: boolean;
/** true if parsing in inline context w/o links */
simple?: boolean;
};
export interface BlockQuoteNode {
children: MarkdownToJSX.ParserResult[];
type: RuleType.blockQuote;
}
export interface BreakLineNode {
type: RuleType.breakLine;
}
export interface BreakThematicNode {
type: RuleType.breakThematic;
}
export interface CodeBlockNode {
type: RuleType.codeBlock;
attrs?: JSX.IntrinsicAttributes;
lang?: string;
text: string;
}
export interface CodeFencedNode {
type: RuleType.codeFenced;
}
export interface CodeInlineNode {
type: RuleType.codeInline;
text: string;
}
export interface FootnoteNode {
type: RuleType.footnote;
}
export interface FootnoteReferenceNode {
type: RuleType.footnoteReference;
target: string;
text: string;
}
export interface GFMTaskNode {
type: RuleType.gfmTask;
completed: boolean;
}
export interface HeadingNode {
type: RuleType.heading;
children: MarkdownToJSX.ParserResult[];
id: string;
level: 1 | 2 | 3 | 4 | 5 | 6;
}
export interface HeadingSetextNode {
type: RuleType.headingSetext;
}
export interface HTMLCommentNode {
type: RuleType.htmlComment;
}
export interface ImageNode {
type: RuleType.image;
alt?: string;
target: string;
title?: string;
}
export interface LinkNode {
type: RuleType.link;
children: MarkdownToJSX.ParserResult[];
target: string;
title?: string;
}
export interface LinkAngleBraceNode {
type: RuleType.linkAngleBraceStyleDetector;
}
export interface LinkBareURLNode {
type: RuleType.linkBareUrlDetector;
}
export interface LinkMailtoNode {
type: RuleType.linkMailtoDetector;
}
export interface OrderedListNode {
type: RuleType.orderedList;
items: MarkdownToJSX.ParserResult[][];
ordered: true;
start?: number;
}
export interface UnorderedListNode {
type: RuleType.unorderedList;
items: MarkdownToJSX.ParserResult[][];
ordered: false;
}
export interface NewlineNode {
type: RuleType.newlineCoalescer;
}
export interface ParagraphNode {
type: RuleType.paragraph;
children: MarkdownToJSX.ParserResult[];
}
export interface ReferenceNode {
type: RuleType.ref;
}
export interface ReferenceImageNode {
type: RuleType.refImage;
alt?: string;
ref: string;
}
export interface ReferenceLinkNode {
type: RuleType.refLink;
children: MarkdownToJSX.ParserResult[];
fallbackChildren: MarkdownToJSX.ParserResult[];
ref: string;
}
export interface TableNode {
type: RuleType.table;
/**
* alignment for each table column
*/
align: ('left' | 'right' | 'center')[];
cells: MarkdownToJSX.ParserResult[][][];
header: MarkdownToJSX.ParserResult[][];
}
export interface TableSeparatorNode {
type: RuleType.tableSeparator;
}
export interface TextNode {
type: RuleType.text;
text: string;
}
export interface BoldTextNode {
type: RuleType.textBolded;
children: MarkdownToJSX.ParserResult[];
}
export interface ItalicTextNode {
type: RuleType.textEmphasized;
children: MarkdownToJSX.ParserResult[];
}
export interface EscapedTextNode {
type: RuleType.textEscaped;
}
export interface MarkedTextNode {
type: RuleType.textMarked;
children: MarkdownToJSX.ParserResult[];
}
export interface StrikethroughTextNode {
type: RuleType.textStrikethroughed;
children: MarkdownToJSX.ParserResult[];
}
export interface HTMLNode {
type: RuleType.htmlBlock;
attrs: JSX.IntrinsicAttributes;
children?: ReturnType<MarkdownToJSX.NestedParser> | undefined;
noInnerParse: Boolean;
tag: MarkdownToJSX.HTMLTags;
text?: string | undefined;
}
export interface HTMLSelfClosingNode {
type: RuleType.htmlSelfClosing;
attrs: JSX.IntrinsicAttributes;
tag: string;
}
export type ParserResult = BlockQuoteNode | BreakLineNode | BreakThematicNode | CodeBlockNode | CodeFencedNode | CodeInlineNode | FootnoteNode | FootnoteReferenceNode | GFMTaskNode | HeadingNode | HeadingSetextNode | HTMLCommentNode | ImageNode | LinkNode | LinkAngleBraceNode | LinkBareURLNode | LinkMailtoNode | OrderedListNode | UnorderedListNode | NewlineNode | ParagraphNode | ReferenceNode | ReferenceImageNode | ReferenceLinkNode | TableNode | TableSeparatorNode | TextNode | BoldTextNode | ItalicTextNode | EscapedTextNode | MarkedTextNode | StrikethroughTextNode | HTMLNode | HTMLSelfClosingNode;
export type NestedParser = (input: string, state?: MarkdownToJSX.State) => MarkdownToJSX.ParserResult[];
export type Parser<ParserOutput> = (capture: RegExpMatchArray, nestedParse: NestedParser, state?: MarkdownToJSX.State) => ParserOutput;
export type RuleOutput = (ast: MarkdownToJSX.ParserResult | MarkdownToJSX.ParserResult[], state: MarkdownToJSX.State) => JSX.Element;
export type Rule<ParserOutput = MarkdownToJSX.ParserResult> = {
match: (source: string, state: MarkdownToJSX.State, prevCapturedString?: string) => RegExpMatchArray;
order: Priority;
parse: MarkdownToJSX.Parser<Omit<ParserOutput, 'type'>>;
render?: (node: ParserOutput,
/**
* Continue rendering AST nodes if applicable.
*/
render: RuleOutput, state?: MarkdownToJSX.State) => React.ReactChild;
};
export type Rules = {
[K in ParserResult['type']]: K extends RuleType.table ? Rule<Extract<ParserResult, {
type: K | RuleType.paragraph;
}>> : Rule<Extract<ParserResult, {
type: K;
}>>;
};
export type Override = RequireAtLeastOne<{
component: React.ElementType;
props: Object;
}> | React.ElementType;
export type Overrides = {
[tag in HTMLTags]?: Override;
} & {
[customComponent: string]: Override;
};
export type Options = Partial<{
/**
* Ultimate control over the output of all rendered JSX.
*/
createElement: (tag: Parameters<CreateElement>[0], props: JSX.IntrinsicAttributes, ...children: React.ReactChild[]) => React.ReactChild;
/**
* Disable the compiler's best-effort transcription of provided raw HTML
* into JSX-equivalent. This is the functionality that prevents the need to
* use `dangerouslySetInnerHTML` in React.
*/
disableParsingRawHTML: boolean;
/**
* Forces the compiler to have space between hash sign and the header text which
* is explicitly stated in the most of the markdown specs.
* https://github.github.com/gfm/#atx-heading
* `The opening sequence of # characters must be followed by a space or by the end of line.`
*/
enforceAtxHeadings: boolean;
/**
* Forces the compiler to always output content with a block-level wrapper
* (`<p>` or any block-level syntax your markdown already contains.)
*/
forceBlock: boolean;
/**
* Forces the compiler to always output content with an inline wrapper (`<span>`)
*/
forceInline: boolean;
/**
* Forces the compiler to wrap results, even if there is only a single
* child or no children.
*/
forceWrapper: boolean;
/**
* Supply additional HTML entity: unicode replacement mappings.
*
* Pass only the inner part of the entity as the key,
* e.g. `&le;` -> `{ "le": "\u2264" }`
*
* By default
* the following entities are replaced with their unicode equivalents:
*
* ```
* &amp;
* &apos;
* &gt;
* &lt;
* &nbsp;
* &quot;
* ```
*/
namedCodesToUnicode: {
[key: string]: string;
};
/**
* Selectively control the output of particular HTML tags as they would be
* emitted by the compiler.
*/
overrides: Overrides;
/**
* Allows for full control over rendering of particular rules.
* For example, to implement a LaTeX renderer such as `react-katex`:
*
* ```
* renderRule(next, node, renderChildren, state) {
* if (node.type === RuleType.codeBlock && node.lang === 'latex') {
* return (
* <TeX as="div" key={state.key}>
* {String.raw`${node.text}`}
* </TeX>
* )
* }
*
* return next();
* }
* ```
*
* Thar be dragons obviously, but you can do a lot with this
* (have fun!) To see how things work internally, check the `render`
* method in source for a particular rule.
*/
renderRule: (
/** Resume normal processing, call this function as a fallback if you are not returning custom JSX. */
next: () => React.ReactChild,
/** the current AST node, use `RuleType` against `node.type` for identification */
node: ParserResult,
/** use as `renderChildren(node.children)` for block nodes */
renderChildren: RuleOutput,
/** contains `key` which should be supplied to the topmost JSX element */
state: State) => React.ReactChild;
/**
* Override normalization of non-URI-safe characters for use in generating
* HTML IDs for anchor linking purposes.
*/
slugify: (source: string) => string;
/**
* Declare the type of the wrapper to be used when there are multiple
* children to render. Set to `null` to get an array of children back
* without any wrapper, or use `React.Fragment` to get a React element
* that won't show up in the DOM.
*/
wrapper: React.ElementType | null;
}>;
export {};
}
export default Markdown;