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Fixes operationId starting with integers crashes generation #1326

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Merged
merged 5 commits into from
Jul 11, 2025
Merged

Fixes operationId starting with integers crashes generation #1326

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7ac8a91
Fixes https://github.com/acacode/swagger-typescript-api/issues/952
Jul 9, 2025
a478928
Added changeset
Jul 9, 2025
0fe8917
Fixed format issues
Jul 9, 2025
054d40f
Added for route type as well
Jul 9, 2025
41a0b20
Added missing snapshot file
Jul 9, 2025
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13 changes: 13 additions & 0 deletions .changeset/fix-operationid-starting-with-number.md
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@@ -0,0 +1,13 @@
---
"swagger-typescript-api": patch
---

Fix TypeScript generation failure for operationIds starting with numbers

**What:** Fixed an issue where operationIds starting with numbers (e.g., "123getUser") would cause TypeScript generation to fail due to invalid identifier names.

**Why:** OperationIds that start with numbers are not valid JavaScript identifiers, causing syntax errors in the generated TypeScript code.

**How:** Modified the template logic to quote property names for invalid identifiers. OperationIds starting with numbers are now generated as quoted properties (e.g., `"123GetUser": ...`) instead of unquoted invalid identifiers.

This resolves GitHub issue #952.
3 changes: 2 additions & 1 deletion templates/base/route-type.ejs
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Expand Up @@ -4,6 +4,7 @@ const { _, pascalCase, require } = utils;
const { query, payload, pathParams, headers } = route.request;

const routeDocs = includeFile("@base/route-docs", { config, route, utils });
const isValidIdentifier = (name) => /^[A-Za-z_$][A-Za-z0-9_$]*$/.test(name);
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Copilot AI Jul 11, 2025

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Extracting isValidIdentifier into a shared utility would avoid repeating the same regex in multiple template files and ensure consistency if validation rules change.

Copilot uses AI. Check for mistakes.

const routeNamespace = pascalCase(route.routeName.usage);

%>
Expand All @@ -14,7 +15,7 @@ const routeNamespace = pascalCase(route.routeName.usage);
<%~ routeDocs.lines %>

*/
export namespace <%~ routeNamespace %> {
export namespace <% if (isValidIdentifier(routeNamespace)) { %><%~ routeNamespace %><% } else { %>"<%~ routeNamespace %>"<% } %> {
export type RequestParams = <%~ (pathParams && pathParams.type) || '{}' %>;
export type RequestQuery = <%~ (query && query.type) || '{}' %>;
export type RequestBody = <%~ (payload && payload.type) || 'never' %>;
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4 changes: 3 additions & 1 deletion templates/default/procedure-call.ejs
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Expand Up @@ -79,6 +79,8 @@ const describeReturnType = () => {
}
}

const isValidIdentifier = (name) => /^[A-Za-z_$][A-Za-z0-9_$]*$/.test(name);

%>
/**
<%~ routeDocs.description %>
Expand All @@ -88,7 +90,7 @@ const describeReturnType = () => {
<%~ routeDocs.lines %>

*/
<%~ route.routeName.usage %><%~ route.namespace ? ': ' : ' = ' %>(<%~ wrapperArgs %>)<%~ config.toJS ? `: ${describeReturnType()}` : "" %> =>
<% if (isValidIdentifier(route.routeName.usage)) { %><%~ route.routeName.usage %><%~ route.namespace ? ': ' : ' = ' %><% } else { %>"<%~ route.routeName.usage %>"<%~ route.namespace ? ': ' : ' = ' %><% } %>(<%~ wrapperArgs %>)<%~ config.toJS ? `: ${describeReturnType()}` : "" %> =>
<%~ config.singleHttpClient ? 'this.http.request' : 'this.request' %><<%~ type %>, <%~ errorType %>>({
path: `<%~ path %>`,
method: '<%~ _.upperCase(method) %>',
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6 changes: 4 additions & 2 deletions templates/modular/procedure-call.ejs
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Expand Up @@ -79,6 +79,8 @@ const describeReturnType = () => {
}
}

const isValidIdentifier = (name) => /^[A-Za-z_$][A-Za-z0-9_$]*$/.test(name);
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Copilot AI Jul 11, 2025

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The helper function isValidIdentifier is duplicated across multiple templates; consider extracting it into the shared utils object or a common helper file to centralize this logic and simplify future updates.

Copilot uses AI. Check for mistakes.


%>
/**
<%~ routeDocs.description %>
Expand All @@ -88,7 +90,7 @@ const describeReturnType = () => {
<%~ routeDocs.lines %>

*/
<%~ route.routeName.usage %> = (<%~ wrapperArgs %>)<%~ config.toJS ? `: ${describeReturnType()}` : "" %> =>
<% if (isValidIdentifier(route.routeName.usage)) { %><%~ route.routeName.usage %><%~ route.namespace ? ': ' : ' = ' %><% } else { %>"<%~ route.routeName.usage %>"<%~ route.namespace ? ': ' : ' = ' %><% } %>(<%~ wrapperArgs %>)<%~ config.toJS ? `: ${describeReturnType()}` : "" %> =>
<%~ config.singleHttpClient ? 'this.http.request' : 'this.request' %><<%~ type %>, <%~ errorType %>>({
path: `<%~ path %>`,
method: '<%~ _.upperCase(method) %>',
Expand All @@ -98,4 +100,4 @@ const describeReturnType = () => {
<%~ bodyContentKindTmpl ? `type: ${bodyContentKindTmpl},` : '' %>
<%~ responseFormatTmpl ? `format: ${responseFormatTmpl},` : '' %>
...<%~ _.get(requestConfigParam, "name") %>,
})
})<%~ route.namespace ? ',' : '' %>
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