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folk-canvas
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allow unnamed functions, and throw on nonexistent function calls

This commit is contained in:
Orion Reed 2024-12-02 16:40:15 -05:00
parent f1b2a67adb
commit 7cedd6b82e
1 changed files with 9 additions and 4 deletions
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13
src/folk-event-propagator.ts
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@ -74,8 +74,11 @@ export class FolkEventPropagator extends FolkRope {
const key = line_trimmed.slice(0, colonIndex).trim();
const value = line_trimmed.slice(colonIndex + 1).trim();
if (key.endsWith('()')) {
// If the key is a function call, execute it if the condition is true
if (key === '()') {
// Anonymous function: directly evaluate the value
codeLines.push(`${value};`);
} else if (key.endsWith('()')) {
// If the key is a method, execute it if the condition is true
const methodName = key.slice(0, -2);
codeLines.push(`if (${value}) { to.${methodName}(); }`);
} else {
@ -188,11 +191,13 @@ export class FolkEventPropagator extends FolkRope {
},
get(target, prop, receiver) {
const value = Reflect.get(target, prop, receiver);
if (value === undefined) {
throw new Error(`Property '${String(prop)}' does not exist on target element.`);
}
if (typeof value === 'function') {
return value.bind(target);
} else {
return value;
}
return value;
},
});