@graphql-tools/graphql
Version:
Fork of GraphQL.js
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JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.isNameContinue = exports.isNameStart = exports.isLetter = exports.isDigit = exports.isWhiteSpace = void 0;
/**
* ```
* WhiteSpace ::
* - "Horizontal Tab (U+0009)"
* - "Space (U+0020)"
* ```
* @internal
*/
function isWhiteSpace(code) {
return code === 0x0009 || code === 0x0020;
}
exports.isWhiteSpace = isWhiteSpace;
/**
* ```
* Digit :: one of
* - `0` `1` `2` `3` `4` `5` `6` `7` `8` `9`
* ```
* @internal
*/
function isDigit(code) {
return code >= 0x0030 && code <= 0x0039;
}
exports.isDigit = isDigit;
/**
* ```
* Letter :: one of
* - `A` `B` `C` `D` `E` `F` `G` `H` `I` `J` `K` `L` `M`
* - `N` `O` `P` `Q` `R` `S` `T` `U` `V` `W` `X` `Y` `Z`
* - `a` `b` `c` `d` `e` `f` `g` `h` `i` `j` `k` `l` `m`
* - `n` `o` `p` `q` `r` `s` `t` `u` `v` `w` `x` `y` `z`
* ```
* @internal
*/
function isLetter(code) {
return ((code >= 0x0061 && code <= 0x007a) || // A-Z
(code >= 0x0041 && code <= 0x005a) // a-z
);
}
exports.isLetter = isLetter;
/**
* ```
* NameStart ::
* - Letter
* - `_`
* ```
* @internal
*/
function isNameStart(code) {
return isLetter(code) || code === 0x005f;
}
exports.isNameStart = isNameStart;
/**
* ```
* NameContinue ::
* - Letter
* - Digit
* - `_`
* ```
* @internal
*/
function isNameContinue(code) {
return isLetter(code) || isDigit(code) || code === 0x005f;
}
exports.isNameContinue = isNameContinue;