TypeScript flow.default函数代码示例

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本文整理汇总了TypeScript中lodash-es/flow.default函数的典型用法代码示例。如果您正苦于以下问题：TypeScript default函数的具体用法？TypeScript default怎么用？TypeScript default使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了default函数的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的TypeScript代码示例。

示例1: generateGlsl

function generateGlsl(codeAst: ICodeAst, tables: ISymbolTables, glslFuncs: string[]): string {
    const generateNode = (ast) => {
        if (ast instanceof Ast.BinaryExpr) {
            return "(" + generateNode(ast.leftOperand) + ast.operator + generateNode(ast.rightOperand) + ")";
        }
        if (ast instanceof Ast.UnaryExpr) {
            return "(" + ast.operator + generateNode(ast.operand) + ")";
        }
        if (ast instanceof Ast.FuncCall) {
            if (ast.preComputeUniformName) {
                return "(" + ast.preComputeUniformName + ")";
            }
            switch (ast.funcName) {
                case "above":
                    return [
                        "(",
                        generateNode(ast.args[0]),
                        ">",
                        generateNode(ast.args[1]),
                        "?1.0:0.0)",
                    ].join("");
                case "below":
                    return [
                        "(",
                        generateNode(ast.args[0]),
                        "<",
                        generateNode(ast.args[1]),
                        "?1.0:0.0)",
                    ].join("");
                case "equal":
                    return [
                        "(",
                        generateNode(ast.args[0]),
                        "==",
                        generateNode(ast.args[1]),
                        "?1.0:0.0)",
                    ].join("");
                case "if":
                    return [
                        "(",
                        generateNode(ast.args[0]),
                        "!=0.0?",
                        generateNode(ast.args[1]),
                        ":",
                        generateNode(ast.args[2]),
                        ")",
                    ].join("");
                case "select": {
                    const selectExpr = generateNode(ast.args[0]);
                    const generateSelect = (args, i) => {
                        if (args.length === 1) {
                            return generateNode(args[0]);
                        } else {
                            return [
                                "((" + selectExpr + " === " + i + ")?",
                                "(" + generateNode(args[0]) + "):",
                                "(" + generateSelect(takeRight(args, args.length - 1), i + 1) + "))",
                            ].join("");
                        }
                    };
                    return generateSelect(takeRight(ast.args, ast.args.length - 1), 0);
                }
                case "sqr":
                    return "(pow((" + generateNode(ast.args[0]) + "), 2))";
                case "band":
                    return "(float((" + generateNode(ast.args[0]) + ")&&(" + generateNode(ast.args[1]) + ")))";
                case "bor":
                    return "(float((" + generateNode(ast.args[0]) + ")||(" + generateNode(ast.args[1]) + ")))";
                case "bnot":
                    return "(float(!(" + generateNode(ast.args[0]) + ")))";
                case "invsqrt":
                    return "(inversesqrt(" + generateNode(ast.args[0]) + "))";
                case "atan2":
                    return "(atan((" + generateNode(ast.args[0]) + "),(" + generateNode(ast.args[1]) + "))";
                default: {
                    const args = map(ast.args, (arg) => generateNode(arg)).join(",");
                    return "(" + ast.funcName + "(" + args + "))";
                }
            }
        }
        if (ast instanceof Ast.Assignment) {
            return generateNode(ast.lhs) + "=" + generateNode(ast.expr);
        }
        if (ast instanceof Ast.Program) {
            const stmts = map(ast.statements, (stmt) => generateNode(stmt));
            return stmts.join(";\n") + ";";
        }
        if (ast instanceof Ast.PrimaryExpr && ast.type === "VALUE") {
            return glslFloatRepr(ast.value);
        }
        if (ast instanceof Ast.PrimaryExpr && ast.type === "CONST") {
            return translateConstants(ast.value).toString();
        }
        if (ast instanceof Ast.PrimaryExpr && (ast.type === "ID" || ast.type === "REG")) {
            return ast.value;
        }
    };

    let glslCode = [];

//.........这里部分代码省略.........

开发者ID:azeem，项目名称:webvs，代码行数:101，代码来源:compileExpr.ts

示例2: generateJs

function generateJs(codeAst: ICodeAst, tables: ISymbolTables, jsFuncs: string[]): CodeInstance {
    const generateNode = (ast) => {
        if (ast instanceof Ast.BinaryExpr) {
            return "(" + generateNode(ast.leftOperand) + ast.operator + generateNode(ast.rightOperand) + ")";
        }
        if (ast instanceof Ast.UnaryExpr) {
            return "(" + ast.operator + generateNode(ast.operand) + ")";
        }
        if (ast instanceof Ast.FuncCall) {
            switch (ast.funcName) {
                case "above":
                    return [
                        "(",
                        generateNode(ast.args[0]),
                        ">",
                        generateNode(ast.args[1]),
                        "?1:0)",
                    ].join("");
                case "below":
                    return [
                        "(",
                        generateNode(ast.args[0]),
                        "<",
                        generateNode(ast.args[1]),
                        "?1:0)",
                    ].join("");
                case "equal":
                    return [
                        "(",
                        generateNode(ast.args[0]),
                        "==",
                        generateNode(ast.args[1]),
                        "?1:0)",
                    ].join("");
                case "if":
                    return [
                        "(",
                        generateNode(ast.args[0]),
                        "!==0?",
                        generateNode(ast.args[1]),
                        ":",
                        generateNode(ast.args[2]),
                        ")",
                    ].join("");
                case "select":
                    const code = ["((function() {"];
                    code.push("switch(" + generateNode(ast.args[0]) + ") {");
                    each(takeRight(ast.args, ast.args.length - 1), (arg, i) => {
                        code.push("case " + i + ": return " + generateNode(arg) + ";");
                    });
                    code.push("default : throw new Error('Unknown selector value in select');");
                    code.push("}}).call(this))");
                    return code.join("");
                case "sqr":
                    return "(Math.pow((" + generateNode(ast.args[0]) + "),2))";
                case "band":
                    return "(((" + generateNode(ast.args[0]) + ")&&(" + generateNode(ast.args[1]) + "))?1:0)";
                case "bor":
                    return "(((" + generateNode(ast.args[0]) + ")||(" + generateNode(ast.args[1]) + "))?1:0)";
                case "bnot":
                    return "((!(" + generateNode(ast.args[0]) + "))?1:0)";
                case "invsqrt":
                    return "(1/Math.sqrt(" + generateNode(ast.args[0]) + "))";
                case "atan2":
                    return "(Math.atan((" + generateNode(ast.args[0]) + ")/(" + generateNode(ast.args[1]) + ")))";
                default:
                    let prefix;
                    const args = map(ast.args, (arg) => generateNode(arg)).join(",");
                    if (jsMathFuncs.indexOf(ast.funcName) >= 0) {
                        prefix = "Math.";
                    } else {
                        prefix = "this.";
                    }
                    return "(" + prefix + ast.funcName + "(" + args + "))";
            }
        }
        if (ast instanceof Ast.Assignment) {
            return generateNode(ast.lhs) + "=" + generateNode(ast.expr);
        }
        if (ast instanceof Ast.Program) {
            const stmts = map(ast.statements, (stmt) => generateNode(stmt));
            return stmts.join(";\n");
        }
        if (ast instanceof Ast.PrimaryExpr && ast.type === "VALUE") {
            return ast.value.toString();
        }
        if (ast instanceof Ast.PrimaryExpr && ast.type === "CONST") {
            return translateConstants(ast.value).toString();
        }
        if (ast instanceof Ast.PrimaryExpr && ast.type === "ID") {
            return "this." + ast.value;
        }
        if (ast instanceof Ast.PrimaryExpr && ast.type === "REG") {
            return "this.registerBank[\"" + ast.value + "\"]";
        }
    };

    const registerUsages = flow([values, flatten, uniq])(tables.register);
    const hasRandom = tables.glslUsedFuncs.indexOf("rand") >= 0;
    const codeInst = new CodeInstance(
//.........这里部分代码省略.........

开发者ID:azeem，项目名称:webvs，代码行数:101，代码来源:compileExpr.ts

示例3: parseColor

export function parseColor(color: string | Color): Color {
    if (isColor(color)) {
        return color;
    } else {
        color = color.toLowerCase();
        let match = color.match(/^#([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})$/);
        if (match) {
            return flow([
                pr(takeRight, 3),
                pr(map, (channel) => {
                    return parseInt(channel, 16);
                }),
            ])(match) as Color;
        }

        match = color.match(/^rgb\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/);
        if (match) {
            return flow([
                pr(takeRight, 3),
                pr(map, (channel) => {
                    return Math.min(parseInt(channel, 10), 255);
                }),
            ])(match) as Color;
        }
    }
    throw new Error("Invalid Color Format");
}

开发者ID:idleberg，项目名称:webvs，代码行数:27，代码来源:utils.ts

示例4: processAst

function processAst(
    codeAst: ICodeAst,
    jsFuncs: string[],
    glslFuncs: string[],
    extraNonUniforms: string[],
): ISymbolTables {
    const funcCall: {[name: string]: string[]} = {};
    const variable: {[name: string]: string[]} = {};
    const register: {[name: string]: string[]} = {};
    const preCompute: {[uniformName: string]: string[]} = {};

    let preComputeCounter = 0;

    const processNode = (ast, name) => {
        if (ast instanceof Ast.Program) {
            for (const statement of ast.statements) {
                processNode(statement, name);
            }
        } else if (ast instanceof Ast.BinaryExpr) {
            processNode(ast.leftOperand, name);
            processNode(ast.rightOperand, name);
        } else if (ast instanceof Ast.UnaryExpr) {
            processNode(ast.operand, name);
        } else if (ast instanceof Ast.FuncCall) {
            checkFunc(ast);

            // if its a precomputable function to be generated in glsl
            // then build a table entry
            if (glslFuncs.indexOf(name) >= 0 && glslPreComputeFuncs.indexOf(ast.funcName) >= 0) {
                const args = ast.args;
                if (!isStaticExprList(args)) {
                    throw new Error(
                        `Non Pre-Computable arguments for ${ast.funcName} in shader code, use variables or constants`,
                    );
                }
                const entry = [ast.funcName].concat(map(args, (arg) => arg.value));
                let uniformName;
                for (const key in preCompute) {
                    if (isEqual(preCompute[key], entry)) {
                        uniformName = key;
                        break;
                    }
                }
                if (!uniformName) {
                    uniformName = "__PC_" +  ast.funcName + "_" + preComputeCounter++;
                    preCompute[uniformName] = entry;
                }

                ast.preComputeUniformName = uniformName;
            }

            funcCall[name].push(ast.funcName);
            for (const arg of ast.args) {
               processNode(arg, name);
            }
        } else if (ast instanceof Ast.Assignment) {
            processNode(ast.lhs, name);
            processNode(ast.expr, name);
        } else if (ast instanceof Ast.PrimaryExpr && ast.type === "ID") {
            variable[name].push(ast.value);
        } else if (ast instanceof Ast.PrimaryExpr && ast.type === "REG") {
            register[name].push(ast.value);
        }
    };

    for (const name in codeAst) {
        if (!codeAst.hasOwnProperty(name)) {
            continue;
        }
        funcCall[name] = [];
        variable[name] = [];
        register[name] = [];

        processNode(codeAst[name], name);

        funcCall[name] = uniq(funcCall[name]);
        variable[name] = uniq(variable[name]);
        register[name] = uniq(register[name]);
    }

    const jsVars: string[] = flow([pr(pick, jsFuncs), values, flatten, uniq])(variable);
    const glslVars: string[] = flow([pr(pick, glslFuncs), values, flatten, uniq])(variable);
    const nonUniforms: string[] = flow([pr(difference, jsVars), pr(union, extraNonUniforms), uniq])(glslVars);
    const uniforms: string[]  = intersection(glslVars, jsVars);
    const glslUsedFuncs: string[] = flow([pr(pick, glslFuncs), values, flatten, uniq])(funcCall);
    const glslRegisters: string[] = flow([pr(pick, glslFuncs), values, flatten, uniq])(register);

    return {
        glslRegisters, glslUsedFuncs, glslVars, jsVars, nonUniforms, preCompute, register, uniforms,
    };
}

开发者ID:azeem，项目名称:webvs，代码行数:91，代码来源:compileExpr.ts

注：本文中的lodash-es/flow.default函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。