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printPattern() — react Function Reference

Architecture documentation for the printPattern() function in PrintHIR.ts from the react codebase.

Function typescript MIRInfrastructure HIR calls 3 called by 1

Entity Profile

Dependency Diagram

graph TD
  cd2a20a9_1741_622b_6efc_d63bea24cb4c["printPattern()"]
  6976a9ee_9d8e_4f16_3016_495f39aff2fd["PrintHIR.ts"]
  cd2a20a9_1741_622b_6efc_d63bea24cb4c -->|defined in| 6976a9ee_9d8e_4f16_3016_495f39aff2fd
  f3619b34_2818_79d3_d2a6_72b9bcfc9d1e["printInstructionValue()"]
  f3619b34_2818_79d3_d2a6_72b9bcfc9d1e -->|calls| cd2a20a9_1741_622b_6efc_d63bea24cb4c
  8feba833_c46a_51b7_3da0_fcdfe54673b7["printObjectPropertyKey()"]
  cd2a20a9_1741_622b_6efc_d63bea24cb4c -->|calls| 8feba833_c46a_51b7_3da0_fcdfe54673b7
  d7fde76c_4fd9_feb3_299b_798689f05bc6["assertExhaustive()"]
  cd2a20a9_1741_622b_6efc_d63bea24cb4c -->|calls| d7fde76c_4fd9_feb3_299b_798689f05bc6
  bf7f1cf7_fc0e_6bac_827c_8d36d98126da["printPlace()"]
  cd2a20a9_1741_622b_6efc_d63bea24cb4c -->|calls| bf7f1cf7_fc0e_6bac_827c_8d36d98126da
  style cd2a20a9_1741_622b_6efc_d63bea24cb4c fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

compiler/packages/babel-plugin-react-compiler/src/HIR/PrintHIR.ts lines 780–832

export function printPattern(pattern: Pattern | Place | SpreadPattern): string {
  switch (pattern.kind) {
    case 'ArrayPattern': {
      return (
        '[ ' +
        pattern.items
          .map(item => {
            if (item.kind === 'Hole') {
              return '<hole>';
            }
            return printPattern(item);
          })
          .join(', ') +
        ' ]'
      );
    }
    case 'ObjectPattern': {
      return (
        '{ ' +
        pattern.properties
          .map(item => {
            switch (item.kind) {
              case 'ObjectProperty': {
                return `${printObjectPropertyKey(item.key)}: ${printPattern(
                  item.place,
                )}`;
              }
              case 'Spread': {
                return printPattern(item);
              }
              default: {
                assertExhaustive(item, 'Unexpected object property kind');
              }
            }
          })
          .join(', ') +
        ' }'
      );
    }
    case 'Spread': {
      return `...${printPlace(pattern.place)}`;
    }
    case 'Identifier': {
      return printPlace(pattern);
    }
    default: {
      assertExhaustive(
        pattern,
        `Unexpected pattern kind \`${(pattern as any).kind}\``,
      );
    }
  }
}

Domain

Subdomains

Defined In

Calls

Called By

Source

Frequently Asked Questions

What does printPattern() do?
printPattern() is a function in the react codebase, defined in compiler/packages/babel-plugin-react-compiler/src/HIR/PrintHIR.ts.
Where is printPattern() defined?
printPattern() is defined in compiler/packages/babel-plugin-react-compiler/src/HIR/PrintHIR.ts at line 780.
What does printPattern() call?
printPattern() calls 3 function(s): assertExhaustive, printObjectPropertyKey, printPlace.
What calls printPattern()?
printPattern() is called by 1 function(s): printInstructionValue.

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