Supports white list for function syntax (#77)

* support name list for FN syntax

* use default parameter

Co-authored-by: Johann150 <johann.galle@protonmail.com>

Co-authored-by: Johann150 <johann.galle@protonmail.com>
This commit is contained in:
marihachi 2021-10-02 09:26:56 +09:00 committed by GitHub
parent 703f82215d
commit 00e89d23d7
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4 changed files with 32 additions and 4 deletions

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@ -231,7 +231,9 @@ export const N_URL: (value: string, brackets?: boolean | undefined) => NodeType<
export type NodeType<T extends MfmNode['type']> = T extends 'quote' ? MfmQuote : T extends 'search' ? MfmSearch : T extends 'blockCode' ? MfmCodeBlock : T extends 'mathBlock' ? MfmMathBlock : T extends 'center' ? MfmCenter : T extends 'unicodeEmoji' ? MfmUnicodeEmoji : T extends 'emojiCode' ? MfmEmojiCode : T extends 'bold' ? MfmBold : T extends 'small' ? MfmSmall : T extends 'italic' ? MfmItalic : T extends 'strike' ? MfmStrike : T extends 'inlineCode' ? MfmInlineCode : T extends 'mathInline' ? MfmMathInline : T extends 'mention' ? MfmMention : T extends 'hashtag' ? MfmHashtag : T extends 'url' ? MfmUrl : T extends 'link' ? MfmLink : T extends 'fn' ? MfmFn : T extends 'text' ? MfmText : never;
// @public (undocumented)
export function parse(input: string): MfmNode[];
export function parse(input: string, opts?: Partial<{
fnNameList: string[];
}>): MfmNode[];
// Warning: (ae-forgotten-export) The symbol "MfmPlainNode" needs to be exported by the entry point index.d.ts
//

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@ -8,8 +8,8 @@ const parser: peg.Parser = require('./internal/parser');
/**
* Generates a MfmNode tree from the MFM string.
*/
export function parse(input: string): MfmNode[] {
const nodes = parser.parse(input, { startRule: 'fullParser' });
export function parse(input: string, opts: Partial<{ fnNameList: string[]; }> = {}): MfmNode[] {
const nodes = parser.parse(input, { startRule: 'fullParser', fnNameList: opts.fnNameList });
return nodes;
}

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@ -56,6 +56,14 @@
return false;
}
function ensureFnName(name) {
if (!options.fnNameList) return true;
if (!Array.isArray(options.fnNameList)) {
error("options.fnNameList must be an array.");
}
return options.fnNameList.includes(name);
}
}
//
@ -414,7 +422,7 @@ linkUrl
// inline: fn
fn
= "$[" name:$([a-z0-9_]i)+ args:fnArgs? _ content:(!("]") @inline)+ "]"
= "$[" name:$([a-z0-9_]i)+ &{ return ensureFnName(name); } args:fnArgs? _ content:(!("]") @inline)+ "]"
{
args = args || {};
return FN(name, args, mergeText(content));

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@ -1050,6 +1050,24 @@ hoge`;
];
assert.deepStrictEqual(mfm.parse(input), output);
});
it('exists name in the fnNameList', () => {
const input = '$[spin.speed=1.1s text]';
const output = [
FN('spin', { speed: '1.1s' }, [
TEXT('text')
])
];
assert.deepStrictEqual(mfm.parse(input, { fnNameList: ['tada', 'spin'] }), output);
});
it('not exists name in the fnNameList', () => {
const input = '$[pope.speed=1.1s text]';
const output = [
TEXT('$[pope.speed=1.1s text]')
];
assert.deepStrictEqual(mfm.parse(input, { fnNameList: ['tada', 'spin'] }), output);
});
});
it('composite', () => {