12 lines
510 B
JavaScript
12 lines
510 B
JavaScript
let read_json_file = require("./read_json_file.js").read_json_file;
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let data = null;
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function by_name(name) {
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if (data === null)
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data = read_json_file("./ancestry.json");
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// simple linear scan
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result = data.find(person => person.name === name) // find the result of the first person with the name
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return (result === undefined) ? null : result; // if the result is undefined, return null, otherwise return the result (since tests expect null not undefined)
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}
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exports.by_name = by_name; |