mirror of
https://github.com/PostHog/posthog.git
synced 2024-11-25 11:17:50 +01:00
67 lines
4.4 KiB
JavaScript
67 lines
4.4 KiB
JavaScript
function print (...args) { console.log(...args.map(__printHogStringOutput)) }
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function like (str, pattern) { return __like(str, pattern, false) }
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function arrayMap (func, arr) { let result = []; for (let i = 0; i < arr.length; i++) { result = arrayPushBack(result, func(arr[i])) } return result }
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function arrayFilter (func, arr) { let result = []; for (let i = 0; i < arr.length; i++) { if (func(arr[i])) { result = arrayPushBack(result, arr[i]) } } return result}
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function arrayPushBack (arr, item) { if (!Array.isArray(arr)) { return [item] } return [...arr, item] }
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function arrayExists (func, arr) { for (let i = 0; i < arr.length; i++) { if (func(arr[i])) { return true } } return false }
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function __printHogStringOutput(obj) { if (typeof obj === 'string') { return obj } return __printHogValue(obj) }
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function __printHogValue(obj, marked = new Set()) {
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if (typeof obj === 'object' && obj !== null && obj !== undefined) {
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if (marked.has(obj) && !__isHogDateTime(obj) && !__isHogDate(obj) && !__isHogError(obj)) { return 'null'; }
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marked.add(obj);
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try {
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if (Array.isArray(obj)) {
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if (obj.__isHogTuple) { return obj.length < 2 ? `tuple(${obj.map((o) => __printHogValue(o, marked)).join(', ')})` : `(${obj.map((o) => __printHogValue(o, marked)).join(', ')})`; }
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return `[${obj.map((o) => __printHogValue(o, marked)).join(', ')}]`;
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}
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if (__isHogDateTime(obj)) { const millis = String(obj.dt); return `DateTime(${millis}${millis.includes('.') ? '' : '.0'}, ${__escapeString(obj.zone)})`; }
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if (__isHogDate(obj)) return `Date(${obj.year}, ${obj.month}, ${obj.day})`;
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if (__isHogError(obj)) { return `${String(obj.type)}(${__escapeString(obj.message)}${obj.payload ? `, ${__printHogValue(obj.payload, marked)}` : ''})`; }
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if (obj instanceof Map) { return `{${Array.from(obj.entries()).map(([key, value]) => `${__printHogValue(key, marked)}: ${__printHogValue(value, marked)}`).join(', ')}}`; }
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return `{${Object.entries(obj).map(([key, value]) => `${__printHogValue(key, marked)}: ${__printHogValue(value, marked)}`).join(', ')}}`;
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} finally {
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marked.delete(obj);
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}
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} else if (typeof obj === 'boolean') return obj ? 'true' : 'false';
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else if (obj === null || obj === undefined) return 'null';
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else if (typeof obj === 'string') return __escapeString(obj);
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if (typeof obj === 'function') return `fn<${__escapeIdentifier(obj.name || 'lambda')}(${obj.length})>`;
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return obj.toString();
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}
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function __like(str, pattern, caseInsensitive = false) {
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if (caseInsensitive) {
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str = str.toLowerCase()
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pattern = pattern.toLowerCase()
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}
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pattern = String(pattern)
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.replaceAll(/[-/\\^$*+?.()|[\]{}]/g, '\\$&')
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.replaceAll('%', '.*')
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.replaceAll('_', '.')
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return new RegExp(pattern).test(str)
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}
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function __lambda (fn) { return fn }
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function __isHogError(obj) {return obj && obj.__hogError__ === true}
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function __isHogDateTime(obj) { return obj && obj.__hogDateTime__ === true }
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function __isHogDate(obj) { return obj && obj.__hogDate__ === true }
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function __escapeString(value) {
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const singlequoteEscapeCharsMap = { '\b': '\\b', '\f': '\\f', '\r': '\\r', '\n': '\\n', '\t': '\\t', '\0': '\\0', '\v': '\\v', '\\': '\\\\', "'": "\\'" }
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return `'${value.split('').map((c) => singlequoteEscapeCharsMap[c] || c).join('')}'`;
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}
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function __escapeIdentifier(identifier) {
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const backquoteEscapeCharsMap = { '\b': '\\b', '\f': '\\f', '\r': '\\r', '\n': '\\n', '\t': '\\t', '\0': '\\0', '\v': '\\v', '\\': '\\\\', '`': '\\`' }
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if (typeof identifier === 'number') return identifier.toString();
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if (/^[A-Za-z_$][A-Za-z0-9_$]*$/.test(identifier)) return identifier;
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return `\`${identifier.split('').map((c) => backquoteEscapeCharsMap[c] || c).join('')}\``;
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}
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print("--- arrayMap ----");
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print(arrayMap(__lambda((x) => (x * 2)), [1, 2, 3]));
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print("--- arrayExists ----");
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print(arrayExists(__lambda((x) => like(x, "%nana%")), ["apple", "banana", "cherry"]));
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print(arrayExists(__lambda((x) => like(x, "%boom%")), ["apple", "banana", "cherry"]));
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print(arrayExists(__lambda((x) => like(x, "%boom%")), []));
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print("--- arrayFilter ----");
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print(arrayFilter(__lambda((x) => like(x, "%nana%")), ["apple", "banana", "cherry"]));
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print(arrayFilter(__lambda((x) => like(x, "%e%")), ["apple", "banana", "cherry"]));
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print(arrayFilter(__lambda((x) => like(x, "%boom%")), []));
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