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token-stream
Advanced tools
Readme
Take an array of token and produce a more useful API to give to a parser.
npm install token-stream
var TokenStream = require('token-stream');
var stream = new TokenStream([
'a',
'b',
'c',
'd'
]);
assert(stream.peek() === 'a');
assert(stream.lookahead(0) == 'a');
assert(stream.lookahead(1) == 'b');
assert(stream.advance() === 'a');
assert(stream.peek() === 'b');
assert(stream.lookahead(0) == 'b');
assert(stream.lookahead(1) == 'c');
stream.defer('z');
assert(stream.peek() === 'z');
assert(stream.lookahead(0) == 'z');
assert(stream.lookahead(1) == 'b');
assert(stream.advance() === 'z');
assert(stream.advance() === 'b');
assert(stream.advance() === 'c');
assert(stream.advance() === 'd');
// an error is thrown if you try and advance beyond the end of the stream
assert.throws(function () {
stream.advance();
});
Gets and returns the next item in the stream without advancing the stream's position.
Returns the next item in the stream and advances the stream by one item.
Put a token on the start of the stream (useful if you need to back track after calling advance).
Return the item at index
position from the start of the stream, but don't advance the stream. stream.lookahead(0)
is equivalent to stream.peek()
.
MIT
FAQs
Take an array of token and produce a more useful API to give to a parser
The npm package token-stream receives a total of 1,285,129 weekly downloads. As such, token-stream popularity was classified as popular.
We found that token-stream demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 5 open source maintainers collaborating on the project.
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Product
Streamline your login process and enhance security by enabling Single Sign-On (SSO) on the Socket platform, now available for all customers on the Enterprise plan, supporting 20+ identity providers.
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