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Contents
import { devAssert } from '../jsutils/devAssert.mjs';
import { inspect } from '../jsutils/inspect.mjs';
import { instanceOf } from '../jsutils/instanceOf.mjs';
/**
* A representation of source input to GraphQL. The `name` and `locationOffset` parameters are
* optional, but they are useful for clients who store GraphQL documents in source files.
* For example, if the GraphQL input starts at line 40 in a file named `Foo.graphql`, it might
* be useful for `name` to be `"Foo.graphql"` and location to be `{ line: 40, column: 1 }`.
* The `line` and `column` properties in `locationOffset` are 1-indexed.
*/
export class Source {
constructor(
body,
name = 'GraphQL request',
locationOffset = {
line: 1,
column: 1,
},
) {
typeof body === 'string' ||
devAssert(false, `Body must be a string. Received: ${inspect(body)}.`);
this.body = body;
this.name = name;
this.locationOffset = locationOffset;
this.locationOffset.line > 0 ||
devAssert(
false,
'line in locationOffset is 1-indexed and must be positive.',
);
this.locationOffset.column > 0 ||
devAssert(
false,
'column in locationOffset is 1-indexed and must be positive.',
);
}
get [Symbol.toStringTag]() {
return 'Source';
}
}
/**
* Test if the given value is a Source object.
*
* @internal
*/
export function isSource(source) {
return instanceOf(source, Source);
}
Version data entries
26 entries across 26 versions & 1 rubygems