forked from projectmoon/tenebrous-dicebot
55 lines
1.3 KiB
JavaScript
55 lines
1.3 KiB
JavaScript
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'use strict';
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var util = require('./_util');
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module.exports = function defFunc(ajv) {
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defFunc.definition = {
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type: 'object',
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macro: function (schema) {
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var schemas = [];
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for (var pointer in schema)
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schemas.push(getSchema(pointer, schema[pointer]));
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return {'allOf': schemas};
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},
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metaSchema: {
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type: 'object',
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propertyNames: {
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type: 'string',
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format: 'json-pointer'
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},
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additionalProperties: util.metaSchemaRef(ajv)
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}
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};
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ajv.addKeyword('deepProperties', defFunc.definition);
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return ajv;
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};
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function getSchema(jsonPointer, schema) {
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var segments = jsonPointer.split('/');
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var rootSchema = {};
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var pointerSchema = rootSchema;
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for (var i=1; i<segments.length; i++) {
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var segment = segments[i];
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var isLast = i == segments.length - 1;
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segment = unescapeJsonPointer(segment);
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var properties = pointerSchema.properties = {};
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var items = undefined;
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if (/[0-9]+/.test(segment)) {
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var count = +segment;
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items = pointerSchema.items = [];
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while (count--) items.push({});
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}
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pointerSchema = isLast ? schema : {};
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properties[segment] = pointerSchema;
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if (items) items.push(pointerSchema);
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}
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return rootSchema;
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}
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function unescapeJsonPointer(str) {
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return str.replace(/~1/g, '/').replace(/~0/g, '~');
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}
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