ember-source/dist/packages/@glimmer/wire-format/index.js

A JavaScript framework for creating ambitious web applications

const opcodes = {
    Append: 1,
    TrustingAppend: 2,
    Comment: 3,
    Modifier: 4,
    StrictModifier: 5,
    Block: 6,
    StrictBlock: 7,
    Component: 8,
    OpenElement: 10,
    OpenElementWithSplat: 11,
    FlushElement: 12,
    CloseElement: 13,
    StaticAttr: 14,
    DynamicAttr: 15,
    ComponentAttr: 16,
    AttrSplat: 17,
    Yield: 18,
    DynamicArg: 20,
    StaticArg: 21,
    TrustingDynamicAttr: 22,
    TrustingComponentAttr: 23,
    StaticComponentAttr: 24,
    Debugger: 26,
    Undefined: 27,
    Call: 28,
    Concat: 29,
    GetSymbol: 30,
    GetLexicalSymbol: 32,
    GetStrictKeyword: 31,
    GetFreeAsComponentOrHelperHead: 35,
    GetFreeAsHelperHead: 37,
    GetFreeAsModifierHead: 38,
    GetFreeAsComponentHead: 39,
    InElement: 40,
    If: 41,
    Each: 42,
    Let: 44,
    WithDynamicVars: 45,
    InvokeComponent: 46,
    HasBlock: 48,
    HasBlockParams: 49,
    Curry: 50,
    Not: 51,
    IfInline: 52,
    GetDynamicVar: 53,
    Log: 54
  },
  resolution = {
    Strict: 0,
    ResolveAsComponentOrHelperHead: 1,
    ResolveAsHelperHead: 5,
    ResolveAsModifierHead: 6,
    ResolveAsComponentHead: 7
  },
  WellKnownAttrNames = {
    class: 0,
    id: 1,
    value: 2,
    name: 3,
    type: 4,
    style: 5,
    href: 6
  },
  WellKnownTagNames = {
    div: 0,
    span: 1,
    p: 2,
    a: 3
  };

// eslint-disable-next-line @typescript-eslint/naming-convention
function is(variant) {
  return function (value) {
    return Array.isArray(value) && value[0] === variant;
  };
}

// Statements
const isFlushElement = is(opcodes.FlushElement);
function isAttribute(val) {
  return val[0] === opcodes.StaticAttr || val[0] === opcodes.DynamicAttr || val[0] === opcodes.TrustingDynamicAttr || val[0] === opcodes.ComponentAttr || val[0] === opcodes.StaticComponentAttr || val[0] === opcodes.TrustingComponentAttr || val[0] === opcodes.AttrSplat || val[0] === opcodes.Modifier;
}
function isStringLiteral(expr) {
  return "string" == typeof expr;
}
function getStringFromValue(expr) {
  return expr;
}
function isArgument(val) {
  return val[0] === opcodes.StaticArg || val[0] === opcodes.DynamicArg;
}
function isHelper(expr) {
  return Array.isArray(expr) && expr[0] === opcodes.Call;
}

// Expressions
const isGet = is(opcodes.GetSymbol);

export { opcodes as SexpOpcodes, resolution as VariableResolutionContext, WellKnownAttrNames, WellKnownTagNames, getStringFromValue, is, isArgument, isAttribute, isFlushElement, isGet, isHelper, isStringLiteral };