63 lines
1.8 KiB
JavaScript
63 lines
1.8 KiB
JavaScript
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import { Scalar } from '../../nodes/Scalar.js';
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import { map } from '../common/map.js';
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import { seq } from '../common/seq.js';
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function intIdentify(value) {
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return typeof value === 'bigint' || Number.isInteger(value);
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}
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const stringifyJSON = ({ value }) => JSON.stringify(value);
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const jsonScalars = [
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{
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identify: value => typeof value === 'string',
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default: true,
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tag: 'tag:yaml.org,2002:str',
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resolve: str => str,
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stringify: stringifyJSON
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},
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{
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identify: value => value == null,
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createNode: () => new Scalar(null),
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default: true,
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tag: 'tag:yaml.org,2002:null',
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test: /^null$/,
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resolve: () => null,
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stringify: stringifyJSON
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},
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{
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identify: value => typeof value === 'boolean',
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default: true,
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tag: 'tag:yaml.org,2002:bool',
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test: /^true|false$/,
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resolve: str => str === 'true',
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stringify: stringifyJSON
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},
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{
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identify: intIdentify,
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default: true,
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tag: 'tag:yaml.org,2002:int',
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test: /^-?(?:0|[1-9][0-9]*)$/,
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resolve: (str, _onError, { intAsBigInt }) => intAsBigInt ? BigInt(str) : parseInt(str, 10),
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stringify: ({ value }) => intIdentify(value) ? value.toString() : JSON.stringify(value)
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},
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{
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identify: value => typeof value === 'number',
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default: true,
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tag: 'tag:yaml.org,2002:float',
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test: /^-?(?:0|[1-9][0-9]*)(?:\.[0-9]*)?(?:[eE][-+]?[0-9]+)?$/,
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resolve: str => parseFloat(str),
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stringify: stringifyJSON
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}
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];
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const jsonError = {
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default: true,
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tag: '',
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test: /^/,
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resolve(str, onError) {
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onError(`Unresolved plain scalar ${JSON.stringify(str)}`);
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return str;
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}
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};
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const schema = [map, seq].concat(jsonScalars, jsonError);
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export { schema };
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