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power-assert-context-reducer-ast

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power-assert-context-reducer-ast

append AST into power-assert context

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power-assert

Build Status NPM version License

powerAssertContext reducer function to parse assertion expression at runtime.

Use this function when transpiler side does not add ast, tokens and visitorKeys at compile time.

API

var appendAst = require('power-assert-context-reducer-ast');

var appendedContext = appendAst(powerAssertContext);

Given powerAssertContext object, having structure below but does not have ast, tokens and visitorKeys, append them to output context.

input:

{
    source: {
        content: 'assert(foo === bar)',
        filepath: 'test/some_test.js',
        line: 1
    },
    args: [
        {
            value: false,
            events: [
                {
                    value: "FOO",
                    espath: "arguments/0/left"
                },
                {
                    value: "BAR",
                    espath: "arguments/0/right"
                },
                {
                    value: false,
                    espath: "arguments/0"
                }
            ]
        }
    ]
}

output:

{
    source: {
        content: 'assert(foo === bar)',
        filepath: 'test/some_test.js',
        line: 1,
        ast: '### JSON representation of AST nodes ###',
        tokens: '### JSON representation of AST tokens ###',
        visitorKeys: '### JSON representation of AST visitor keys ###'
    },
    args: [
        {
            value: false,
            events: [
                {
                    value: "FOO",
                    espath: "arguments/0/left"
                },
                {
                    value: "BAR",
                    espath: "arguments/0/right"
                },
                {
                    value: false,
                    espath: "arguments/0"
                }
            ]
        }
    ]
}

INSTALL

$ npm install --save-dev power-assert-context-reducer-ast

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LICENSE

Licensed under the MIT license.

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Package last updated on 12 Jun 2018

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