24 lines
1.0 KiB
JavaScript
24 lines
1.0 KiB
JavaScript
import invariant from '../jsutils/invariant';
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import defineToStringTag from '../jsutils/defineToStringTag';
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/**
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* A representation of source input to GraphQL.
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* `name` and `locationOffset` are optional. They are useful for clients who
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* store GraphQL documents in source files; for example, if the GraphQL input
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* starts at line 40 in a file named Foo.graphql, it might be useful for name to
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* be "Foo.graphql" and location to be `{ line: 40, column: 0 }`.
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* line and column in locationOffset are 1-indexed
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*/
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export var Source = function Source(body, name, locationOffset) {
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this.body = body;
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this.name = name || 'GraphQL request';
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this.locationOffset = locationOffset || {
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line: 1,
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column: 1
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};
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!(this.locationOffset.line > 0) ? invariant(0, 'line in locationOffset is 1-indexed and must be positive') : void 0;
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!(this.locationOffset.column > 0) ? invariant(0, 'column in locationOffset is 1-indexed and must be positive') : void 0;
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}; // Conditionally apply `[Symbol.toStringTag]` if `Symbol`s are supported
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defineToStringTag(Source);
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