Jason Woltje
6a84f7e210
Co-authored-by: Jason Woltje <jason@diversecanvas.com> Co-committed-by: Jason Woltje <jason@diversecanvas.com>
27 lines
636 B
TypeScript
27 lines
636 B
TypeScript
export interface TemplateVars {
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[key: string]: string;
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}
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/**
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* Replaces {{PLACEHOLDER}} tokens with provided values.
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* Does NOT expand ${ENV_VAR} syntax — those pass through for shell resolution.
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*/
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export function renderTemplate(
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template: string,
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vars: TemplateVars,
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options: { strict?: boolean } = {},
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): string {
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return template.replace(
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/\{\{([A-Z_][A-Z0-9_]*)\}\}/g,
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(match, varName: string) => {
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if (varName in vars) {
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return vars[varName];
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}
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if (options.strict) {
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throw new Error(`Template variable not provided: {{${varName}}}`);
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}
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return '';
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},
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);
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}
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