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Refactor Casting and support arrays #30

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merged 1 commit into from
Oct 15, 2024
Merged

Refactor Casting and support arrays #30

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52 changes: 40 additions & 12 deletions template/src/pdk.ts.ejs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,30 @@
const hostFunctions = Host.getFunctions()
<% } %>

function isNull(v: any): boolean {
return v === undefined || v === null
}

function cast(caster: (v: any) => any, v: any): any {
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@bhelx bhelx Oct 14, 2024 •
edited
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cast can apply caster to any value. If the value is an array, then it will apply caster to every value and return a new array. this saves us from having to put this logic into the codegen. However i don't think this will scale to all use cases.

if (isNull(v)) return v
if (Array.isArray(v)) return v.map(caster)
return caster(v)
}

function dateToJson(v: Date): string {
return v.toISOString()
}
function dateFromJson(v: string): Date {
return new Date(v)
}

function bufferToJson(v: ArrayBuffer): string {
return Host.arrayBufferToBase64(v)
}
function bufferFromJson(v: string): ArrayBuffer {
return Host.base64ToArrayBuffer(v)
}

<% Object.values(schema.schemas).forEach(schema => { %>
<% if (schema.properties.length > 0) { %>

Expand All @@ -24,12 +48,14 @@ export class <%- schema.name %> {
return {
...obj,
<% schema.properties.forEach(p => { -%>
<% if (isDateTime(p)) { -%>
<%- p.name -%>: obj.<%- p.name -%> === undefined || obj.<%- p.name -%> === null ? obj.<%- p.name %> : new Date(obj.<%- p.name -%>),
<% } else if (isBuffer(p)) {-%>
<%- p.name -%>: obj.<%- p.name -%> === undefined || obj.<%- p.name -%> === null ? obj.<%- p.name %> : Host.base64ToArrayBuffer(obj.<%- p.name -%>),
<% } else if (!isPrimitive(p)) {-%>
<%- p.name -%>: obj.<%- p.name -%> === undefined || obj.<%- p.name -%> === null ? obj.<%- p.name %> : <%- p.$ref.name %>.fromJson(obj.<%- p.name -%>),
<% let baseP = p.items ? p.items : p -%>
<% let baseRef = p.$ref ? p.$ref.name : (p.items && p.items.$ref ? p.items.$ref.name : null) -%>
<% if (isDateTime(baseP)) { -%>
<%- p.name -%>: cast(dateFromJson, obj.<%- p.name -%>),
<% } else if (isBuffer(baseP)) {-%>
<%- p.name -%>: cast(bufferFromJson, obj.<%- p.name -%>),
<% } else if (!isPrimitive(baseP)) {-%>
<%- p.name -%>: cast(<%- baseRef -%>.fromJson, obj.<%- p.name -%>),
<% } -%>
<% }) -%>
}
Expand All @@ -39,12 +65,14 @@ export class <%- schema.name %> {
return {
...obj,
<% schema.properties.forEach(p => { -%>
<% if (p.type === "string" && p.format === "date-time") { -%>
<%- p.name -%>: obj.<%- p.name -%> === undefined || obj.<%- p.name -%> === null ? obj.<%- p.name %> : obj.<%- p.name %>.toISOString(),
<% } else if (isBuffer(p)) {-%>
<%- p.name -%>: obj.<%- p.name -%> === undefined || obj.<%- p.name -%> === null ? obj.<%- p.name %> : Host.arrayBufferToBase64(obj.<%- p.name -%>),
<% } else if (p.$ref && !p.$ref.enum) {-%>
<%- p.name -%>: obj.<%- p.name -%> === undefined || obj.<%- p.name -%> === null ? obj.<%- p.name %>: <%- p.$ref.name %>.toJson(obj.<%- p.name -%>) ,
<% let baseP = p.items ? p.items : p -%>
<% let baseRef = p.$ref ? p.$ref.name : (p.items && p.items.$ref ? p.items.$ref.name : null) -%>
<% if (isDateTime(baseP)) { -%>
<%- p.name -%>: cast(dateToJson, obj.<%- p.name -%>),
<% } else if (isBuffer(baseP)) {-%>
<%- p.name -%>: cast(bufferToJson, obj.<%- p.name -%>),
<% } else if (!isPrimitive(baseP)) {-%>
<%- p.name -%>: cast(<%- baseRef -%>.toJson, obj.<%- p.name -%>),
<% } -%>
<% }) -%>
}
Expand Down
5 changes: 5 additions & 0 deletions tests/schemas/fruit.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -110,6 +110,11 @@ components:
description: A set of all the enemies of pac-man
ComplexObject:
properties:
arrayOfDate:
type: array
items:
type: string
format: date-time
ghost:
"$ref": "#/components/schemas/GhostGang"
description: I can override the description for the property here
Expand Down
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