Initial commit - Event Planner application

node_modules/kysely/dist/esm/plugin/camel-case/camel-case.js

@@ -0,0 +1,108 @@
+/// <reference types="./camel-case.d.ts" />
+/**
+ * Creates a function that transforms camel case strings to snake case.
+ */
+export function createSnakeCaseMapper({ upperCase = false, underscoreBeforeDigits = false, underscoreBetweenUppercaseLetters = false, } = {}) {
+    return memoize((str) => {
+        if (str.length === 0) {
+            return str;
+        }
+        const upper = str.toUpperCase();
+        const lower = str.toLowerCase();
+        let out = lower[0];
+        for (let i = 1, l = str.length; i < l; ++i) {
+            const char = str[i];
+            const prevChar = str[i - 1];
+            const upperChar = upper[i];
+            const prevUpperChar = upper[i - 1];
+            const lowerChar = lower[i];
+            const prevLowerChar = lower[i - 1];
+            // If underScoreBeforeDigits is true then, well, insert an underscore
+            // before digits :). Only the first digit gets an underscore if
+            // there are multiple.
+            if (underscoreBeforeDigits &&
+                isDigit(char) &&
+                !isDigit(prevChar) &&
+                !out.endsWith('_')) {
+                out += '_' + char;
+                continue;
+            }
+            // Test if `char` is an upper-case character and that the character
+            // actually has different upper and lower case versions.
+            if (char === upperChar && upperChar !== lowerChar) {
+                const prevCharacterIsUppercase = prevChar === prevUpperChar && prevUpperChar !== prevLowerChar;
+                // If underscoreBetweenUppercaseLetters is true, we always place an underscore
+                // before consecutive uppercase letters (e.g. "fooBAR" becomes "foo_b_a_r").
+                // Otherwise, we don't (e.g. "fooBAR" becomes "foo_bar").
+                if (underscoreBetweenUppercaseLetters || !prevCharacterIsUppercase) {
+                    out += '_' + lowerChar;
+                }
+                else {
+                    out += lowerChar;
+                }
+            }
+            else {
+                out += char;
+            }
+        }
+        if (upperCase) {
+            return out.toUpperCase();
+        }
+        else {
+            return out;
+        }
+    });
+}
+/**
+ * Creates a function that transforms snake case strings to camel case.
+ */
+export function createCamelCaseMapper({ upperCase = false, } = {}) {
+    return memoize((str) => {
+        if (str.length === 0) {
+            return str;
+        }
+        if (upperCase && isAllUpperCaseSnakeCase(str)) {
+            // Only convert to lower case if the string is all upper
+            // case snake_case. This allows camelCase strings to go
+            // through without changing.
+            str = str.toLowerCase();
+        }
+        let out = str[0];
+        for (let i = 1, l = str.length; i < l; ++i) {
+            const char = str[i];
+            const prevChar = str[i - 1];
+            if (char !== '_') {
+                if (prevChar === '_') {
+                    out += char.toUpperCase();
+                }
+                else {
+                    out += char;
+                }
+            }
+        }
+        return out;
+    });
+}
+function isAllUpperCaseSnakeCase(str) {
+    for (let i = 1, l = str.length; i < l; ++i) {
+        const char = str[i];
+        if (char !== '_' && char !== char.toUpperCase()) {
+            return false;
+        }
+    }
+    return true;
+}
+function isDigit(char) {
+    return char >= '0' && char <= '9';
+}
+function memoize(func) {
+    const cache = new Map();
+    return (str) => {
+        let mapped = cache.get(str);
+        if (!mapped) {
+            mapped = func(str);
+            cache.set(str, mapped);
+        }
+        return mapped;
+    };
+}